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Journal articles on the topic 'Solar Parabolic Trough Collector'

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Author: Grafiati
Published: 6 September 2023
Last updated: 7 September 2023

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1

Jassim Jaber, Hazim, Qais A. Rishak, and Qahtan A. Abed. "Using PCM, an Experimental Study on Solar Stills Coupled with and without a Parabolic Trough Solar Collector." Basrah journal of engineering science 21, no. 2 (June 1, 2021): 45–52. http://dx.doi.org/10.33971/bjes.21.2.7.

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Performance a double slope of the solar still Integrated With or without parabolic trough collector is investigated experimentally. To improve the output of a double slope solar still, a number of initiatives have been undertaken, using wax as a phase change material (PCM) with a parabolic trough collector. A parabolic trough collector (PTC) transfers incident solar energy to the solar still through a water tube connected to a heat exchanger embedded in used microcrystalline wax. Experiments were carried out after orienting the basin to the south and holding the water depth in the basin at 20 mm. According to the results obtained, the solar stills with parabolic trough collector have higher temperatures and productivity than solar stills without parabolic trough collector, as well as the ability to store latent heat energy in solar still, allowing fresh water to condense even after sunset. In addition, the parabolic trough collector with phase change material in the double slope solar improves productivity by 37.3 % and 42 %, respectively.
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2

M. Anil Kumar, K. Sridhar, and B. Devika. "Performance of cylindrical parabolic solar collector with the tracking system." Maejo International Journal of Energy and Environmental Communication 3, no. 1 (March 17, 2021): 20–24. http://dx.doi.org/10.54279/mijeec.v3i1.245096.

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A parabolic solar collector collects the radiant energy emitted from the sun and focuses on a point. Parabolic trough collectors are the low-cost implementation of concentrated solar power technology that focuses incident sunlight onto a tube filled with a heat transfer fluid. However, the fundamental problem with the cylindrical parabolic collector without tracking was that the solar collector does not move with the sun's orientation. The development of an automatic tracking system for cylindrical parabolic collectors will increase solar collection and the efficiency of devices. The present study of this project work presents an experimental platform based on the design, development, and performance characteristic of water heating by tracking solar cylindrical parabolic concentrating system. The tracking mechanism is to be made by stepper motor arrangement to receive the maximum possible energy of solar radiation as it tracks the sun's path. The performance of the parabolic trough collectors is experimentally investigated with the water circulated as heat transfer fluid. The collector efficiency is calculated.
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3

Mohana, N., K. Karunamurthy, and R. Suresh Isravel. "Analysis of outlet temperature of parabolic trough collector solar water heater using machine learning techniques." IOP Conference Series: Earth and Environmental Science 1161, no. 1 (April 1, 2023): 012001. http://dx.doi.org/10.1088/1755-1315/1161/1/012001.

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Abstract The green sources of energy are ocean, hydro, solar, tidal, wave, wind, biomass, etc. Among all these wind, solar and hydro are mainly used. Particularly, solar energy has various applications such as atmospheric energy balance studies, solar energy collecting systems, analysis of the thermal load on buildings, etc. Parabolic trough collector (PTC) based solar water heater (SWH) gains a significant role in water heating systems. Parabolic trough collector is a concentrating type collector which collects the solar radiation in copper tube placed in the focal point of the parabolic trough. It also generates a high temperature which is suitable for steam generation. The main goal of this paper is to predict the outlet temperature of parabolic trough collector solar water heater with time and temperature for different days using various machine learning techniques.
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4

Eck, M., and W. D. Steinmann. "Modelling and Design of Direct Solar Steam Generating Collector Fields." Journal of Solar Energy Engineering 127, no. 3 (July 20, 2005): 371–80. http://dx.doi.org/10.1115/1.1849225.

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The direct steam generation (DSG) is an attractive option regarding the economic improvement of parabolic trough technology for solar thermal electricity generation in the multi megawatt range. According to Price, H., Lu¨pfert, E., Kearney, D., Zarza, E., Cohen, G., Gee, R. Mahoney, R., 2002, “Advances in Parabolic Trough Solar Power Technology,” J. Sol. Energy Eng., 124 and Zarza, E., 2002, DISS Phase II-Final Project Report, EU Project No. JOR3-CT 980277 a 10% reduction of the LEC is expected compared to conventional SEGS like parabolic trough power plants. The European DISS project has proven the feasibility of the DSG process under real solar conditions at pressures up to 100 bar and temperatures up to 400°C in more than 4000 operation hours (Eck, M., Zarza, E., Eickhoff, M., Rheinla¨nder, J., Valenzuela, L., 2003, “Applied Research Concerning the Direct Steam Generation in Parabolic Troughs,” Solar Energy 74, pp. 341–351). In a next step the detailed engineering for a precommercial DSG solar thermal power plant will be performed. This detailed engineering of the collector field requires the consideration of the occurring thermohydraulic phenomena and their influence on the stability of the absorber tubes.
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5

Pikra, Ghalya, Agus Salim, Andri Joko Purwanto, and Zaidan Eddy. "Parabolic Trough Solar Collector Initial Trials." Journal of Mechatronics, Electrical Power, and Vehicular Technology 2, no. 2 (March 12, 2012): 57. http://dx.doi.org/10.14203/j.mev.2011.v2.57-64.

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6

Jyoti, Arun, Dr Prashant Baredar, Dr Hitesh Kumar, and Asst Prof Ambuj Kumar. "“Design and Optimization of Solar Absorber Tube Using CFD Analysis”." SMART MOVES JOURNAL IJOSCIENCE 4, no. 3 (March 12, 2018): 6. http://dx.doi.org/10.24113/ijoscience.v4i3.127.

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Parabolic trough solar collector is a solar thermal collector which works on solar energy, the efficiency of this collector depends on the thermal energy of sun. The main objective of this work to present an upto date literature review on the parabolic trough solar collector. During the literature survey from the various research paper related to parabolic trough solar collector it has been observed that there is a lot of research work have been done in the same field and still there is a large scope to work on the parabolic trough solar collector. From the literature review it has been also observed that many authors worked on numerical as well as experimental setups, many of them use various optimization technique which was validate by various simulation tools like ANSYS, computational fluids dynamics tool Fluent and many more.
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7

Lüpfert, Eckhard, Klaus Pottler, Steffen Ulmer, Klaus-J. Riffelmann, Andreas Neumann, and Björn Schiricke. "Parabolic Trough Optical Performance Analysis Techniques." Journal of Solar Energy Engineering 129, no. 2 (June 18, 2006): 147–52. http://dx.doi.org/10.1115/1.2710249.

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Analysis of geometry and optical properties of solar parabolic trough collectors uses a number of specific techniques that have demonstrated to be useful tools in prototype evaluation. These are based on photogrammetry, flux mapping, ray tracing, and advanced thermal testing. They can be used to assure the collector quality during construction and for acceptance tests of the solar field. The methods have been applied on EuroTrough collectors, cross checked, and compared. This paper summarizes results in collector shape measurement, flux measurement, ray tracing, and thermal performance analysis for parabolic troughs. It is shown that the measurement methods and the parameter analysis give consistent results. The interpretation of the results and their annual evaluation give hints on identified relevant improvement potentials for the following generation of solar power plant collectors.
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8

Sukanta, Anbu Manimaran, M. Niranjan Sakthivel, Gopalsamy Manoranjith, and Loganathan Naveen Kumar. "Performance Enhancement of Solar Parabolic Trough Collector Using Intensified Ray Convergence System." Applied Mechanics and Materials 867 (July 2017): 191–94. http://dx.doi.org/10.4028/www.scientific.net/amm.867.191.

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Solar Energy is one of the forms of Renewable Energy that is available abundantly. This work is executed on the enhancement of the performance of solar parabolic trough collector using Intensified Ray Convergence System (IRCS). This paper distinguishes between the performance of solar parabolic trough collector with continuous dual axis tracking and a fixed solar parabolic trough collector (PTC) facing south (single axis tracking). The simulation and performance of the solar radiations are visualized and analyzed using TRACEPRO 6.0.2 software. The improvement in absorption of solar flux was found to be enhanced by 39.06% in PTC using dual axis tracking, absorption of solar flux increases by 52% to 200% in PTC receiver using perfect mirror than PTC using black chrome coating.
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9

Zaidan, Maki Haj, Hameed Jasim Khalaf, and Ahmed Mohamed Shaker. "Optimum Design of Parabolic Solar Collector with Exergy Analysis." Tikrit Journal of Engineering Sciences 24, no. 4 (December 1, 2017): 79–87. http://dx.doi.org/10.25130/tjes.24.4.10.

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This research deals with optimum design of parabolic solar collector with exergy analysis, a mathematical model built to reach the optimum design for the parabolic trough solar collector by three main parts. The first part concentrated on optimal design depends on the measured values of the solar intensity radiation fell on the city of Kirkuk and to obtain solar absorbed radiation, while the second part revolves on energy analysis of parabolic solar collector, and the final part was carried out exergy analysis of parabolic trough solar collector. The exergy efficiency took as a measurement to found the optimum operation condition (inlet water temperature and mass flow rate) and design parameter (concentration ratio, length solar collector and width solar collector). The design depended on the climatic conditions of the city of Kirkuk after it measured, also it show’s the importance of using exergy analysis in the design by studying the impact of some of the basic transactions of the solar system.
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10

Zedan, Maki Haj, Hameed Jasam Khalaf, and Ahmed M. Shaker. "Optimum Design of Parabolic Solar Collector with Exergy Analysis." Tikrit Journal of Engineering Sciences 24, no. 4 (December 1, 2017): 49–57. http://dx.doi.org/10.25130/tjes.24.4.06.

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This research deals with optimum design of parabolic solar collector with exergy analysis, a mathematical model built to reach the optimum design for the parabolic trough solar collector by three main parts. The first part concentrated on optimal design depends on the measured values of the solar intensity radiation fell on the city of Kirkuk and to obtain solar absorbed radiation, while the second part revolves on energy analysis of parabolic solar collector, and the final part was carried out exergy analysis of parabolic trough solar collector. The exergy efficiency took as a measurement to found the optimum operation condition (inlet water temperature and mass flow rate) and design parameter (concentration ratio, length solar collector and width solar collector). The design depended on the climatic conditions of the city of Kirkuk after it measured, also it show’s the importance of using exergy analysis in the design by studying the impact of some of the basic transactions of the solar system.
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11

Amori, Karima E., and Randa R. Sari. "THERMAL PERFORMANCE OF PARABOLIC TROUGH SOLAR COLLECTOR." IRAQI JOURNAL FOR MECHANICAL AND MATERIALS ENGINEERING 18, no. 3 (November 6, 2018): 389–404. http://dx.doi.org/10.32852/iqjfmme.v18i3.172.

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This work presents design, instrumented and test of a parabolic trough solar collectorunder Baghdad climate conditions (of latitude 33.33o N, of longitude 44.4oE). The parabolictrough solar collector consists of: a mirror matrix or tapes which work as reflective surfaceof (2m *1m), absorber copper tube (receiver), two axis tracking system. Water is used as aheat transfer medium. The setup is tested within clear days from June, to September 2017.The collector heat gain, efficacy and temperature of absorber were presented for absorberfive different circulating mass flow rates of (0.15, 0.2, 0.3, 0.4, 0.5) 1pm. The results showthat the maximum thermal efficiency of the parabolic trough solar collector is 80.26%. Themaximum outlet temperature of the absorber tube reaches 81 oC at the noon when waterflows at (0.15) 1pm. The maximum obtained heat gain is (1619W) for (0.5) 1pm flow rate ofwater.
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12

Brooks, M. J., I. Mills, and T. M. Harms. "Performance of a parabolic trough solar collector." Journal of Energy in Southern Africa 17, no. 3 (August 1, 2006): 71–80. http://dx.doi.org/10.17159/2413-3051/2006/v17i3a3291.

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The performance of a South African parabolic trough solar collector (PTSC) module has been characterised using the ASHRAE 93-1986 standard. The collector is designed for component testing and development in a solar energy research programme. Low-temperature testing was performed at Mangosuthu Technikon’s STARlab facility using water as the working fluid. Both an evacuated glassshielded receiver and an unshielded receiver were tested, with which peak thermal efficiencies of 53.8% and 55.2% were obtained respectively. The glass-shielded element offered superior performance at the maximum test temperature, desensitising the receiver to wind and reducing the overall heat loss coefficient by half. The collector time constants for both receivers indicate low thermal inertia and the measured acceptance angles exceed the tracking accuracy of the PTSC, ensuring the collector operates within 2% of its optimal efficiency at all times. Off-sun thermal loss results and the behaviour of the PTSC under increased angles of incidence are described. A description of the test system components is given.
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13

Wang, Jinping, Jun Wang, Xiaolong Bi, and Xiang Wang. "Performance Simulation Comparison for Parabolic Trough Solar Collectors in China." International Journal of Photoenergy 2016 (2016): 1–16. http://dx.doi.org/10.1155/2016/9260943.

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Parabolic trough systems are the most used concentrated solar power technology. The operating performance and optical efficiency of the parabolic trough solar collectors (PTCs) are different in different regions and different seasons. To determine the optimum design and operation of the parabolic trough solar collector throughout the year, an accurate estimation of the daily performance is needed. In this study, a mathematical model for the optical efficiency of the parabolic trough solar collector was established and three typical regions of solar thermal utilization in China were selected. The performance characteristics of cosine effect, shadowing effect, end loss effect, and optical efficiency were calculated and simulated during a whole year in these three areas by using the mathematical model. The simulation results show that the optical efficiency of PTCs changes from 0.4 to 0.8 in a whole year. The highest optical efficiency of PTCs is in June and the lowest is in December. The optical efficiency of PTCs is mainly influenced by the solar incidence angle. The model is validated by comparing the test results in parabolic trough power plant, with relative error range of 1% to about 5%.
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14

Pathak,, Kripa Shankar, and Ravindra Mohan. "A Comprehensive Review on Solar Parabolic Trough Collector." SMART MOVES JOURNAL IJOSCIENCE 4, no. 10 (October 10, 2018): 6. http://dx.doi.org/10.24113/ijoscience.v4i10.169.

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Solar energy is one among the freely available clean forms of renewable energy. Many technologies have been developed in India for extracting energy from assorted renewable energies, but the maximum extraction of thermal energy from solar energy is the most promising challenge. This paper focuses on the performance and efficiency of solar parabolic trough collector. In this paper, the design stages of a solar parabolic trough collector are presented. The sunlight collected is split by a cold mirror into visible light and inferred rays. The visible light and IR are used for day lighting and heating generation respectively. The receiver absorbs the incoming radiations and transforms them into thermal energy. Improving the performance of solar collectors has been recently a subject of intense research because of its advantages such as a decrease in the size and cost of systems and an increase in the thermal performance.
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15

Yang, Bin, Wei Wang, and De Gong Zuo. "Experimental Study on the Heat Exchanger Performance of Parabolic Trough Solar Water Heater." Advanced Materials Research 1008-1009 (August 2014): 58–62. http://dx.doi.org/10.4028/www.scientific.net/amr.1008-1009.58.

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This paper introduces a new type of solar water heater——Parabolic trough solar water heater,the biggest feature of the solar water heater is that the parabolic trough reflector can reflect light onto the tube with reflective principles,which may lead to lots of advantages,such as more strong solar energy flux density,fewer losses,fewer tubes used.In a word,the cost is reduced while the performance is guaranteed.On this basis,we built a collector area of about 1.54 square meters of parabolic trough solar water heaters bench and made experiments to test.Instantaneous average efficiency and daily average efficiency of the water heater can be calculated.Efficiency curve can also be generated.Meanwhile we measured the heat loss coefficient of the water heater.The results showed that the daily average efficiency of the parabolic trough concentrating solar collector is between 30% and 50%,while at higher temperatures the collector showed its good insulation properties.
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16

Jebasingh, V. K., and G. M. Joselin Herbert. "A review of solar parabolic trough collector." Renewable and Sustainable Energy Reviews 54 (February 2016): 1085–91. http://dx.doi.org/10.1016/j.rser.2015.10.043.

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17

Odeh, Saad D., and G. L. Morrison. "Optimization of parabolic trough solar collector system." International Journal of Energy Research 30, no. 4 (2006): 259–71. http://dx.doi.org/10.1002/er.1153.

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18

Sangotayo, Emmanuel Olayimika, Goodness Temitayo Opatola, Azeez Abdulraheem, and Taye Adeyemo. "Exergetic Analysis of a Parabolic Trough Solar Collector Water Heater." European Journal of Engineering and Technology Research 7, no. 1 (January 18, 2022): 31–36. http://dx.doi.org/10.24018/ej-eng.2022.7.1.2696.

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Heat exchange mechanisms involved in the conversion of solar energy to heat were determined using a parabolic trough collector. This study's goal is to examine the impact of operational and environmental factors on the energetic, performance of three different Parabolic Trough Collector receivers used to generate hot water. The collectors used uncoated, grey, and black receiver tubes. The parabolic trough concentrator is built of mild steel as the mainframe support with a segmented mirror reflector. Reflectivity is 0.85, rim angle is 90, an aperture area is 2.42 m2, and concentration ratio is 11.7. The parabolic trough concentrator's focal point has galvanized iron receiving tubes. The receiver tubes were fitted individually via the parabolic reflector's focal point. The thermal exergy of each absorber tube was determined while water flowed at 0.003 kg/s. During the investigation, solar radiation, and water temperatures at the absorber tube's input and outflow were all measured. The results show that both the temperature of the heat transfer fluid and the amount of solar radiation have a substantial effect on thermal energetic performance. This concentrator reduces dependency on electric power while minimizing fossil-fuel emissions, reducing pollution.
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19

Sangotayo, Emmanuel Olayimika, Goodness Temitayo Opatola, Azeez Abdulraheem, and Taye Adeyemo. "Exergetic Analysis of a Parabolic Trough Solar Collector Water Heater." European Journal of Engineering and Technology Research 7, no. 1 (January 18, 2022): 31–36. http://dx.doi.org/10.24018/ejeng.2022.7.1.2696.

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Heat exchange mechanisms involved in the conversion of solar energy to heat were determined using a parabolic trough collector. This study's goal is to examine the impact of operational and environmental factors on the energetic, performance of three different Parabolic Trough Collector receivers used to generate hot water. The collectors used uncoated, grey, and black receiver tubes. The parabolic trough concentrator is built of mild steel as the mainframe support with a segmented mirror reflector. Reflectivity is 0.85, rim angle is 90, an aperture area is 2.42 m2, and concentration ratio is 11.7. The parabolic trough concentrator's focal point has galvanized iron receiving tubes. The receiver tubes were fitted individually via the parabolic reflector's focal point. The thermal exergy of each absorber tube was determined while water flowed at 0.003 kg/s. During the investigation, solar radiation, and water temperatures at the absorber tube's input and outflow were all measured. The results show that both the temperature of the heat transfer fluid and the amount of solar radiation have a substantial effect on thermal energetic performance. This concentrator reduces dependency on electric power while minimizing fossil-fuel emissions, reducing pollution.
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20

Price, Hank, Eckhard Lu¨pfert, David Kearney, Eduardo Zarza, Gilbert Cohen, Randy Gee, and Rod Mahoney. "Advances in Parabolic Trough Solar Power Technology." Journal of Solar Energy Engineering 124, no. 2 (April 24, 2002): 109–25. http://dx.doi.org/10.1115/1.1467922.

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Parabolic trough solar technology is the most proven and lowest cost large-scale solar power technology available today, primarily because of the nine large commercial-scale solar power plants that are operating in the California Mojave Desert. These plants, developed by Luz International Limited and referred to as Solar Electric Generating Systems (SEGS), range in size from 14–80 MW and represent 354 MW of installed electric generating capacity. More than 2,000,000m2 of parabolic trough collector technology has been operating daily for up to 18 years, and as the year 2001 ended, these plants had accumulated 127 years of operational experience. The Luz collector technology has demonstrated its ability to operate in a commercial power plant environment like no other solar technology in the world. Although no new plants have been built since 1990, significant advancements in collector and plant design have been made possible by the efforts of the SEGS plants operators, the parabolic trough industry, and solar research laboratories around the world. This paper reviews the current state of the art of parabolic trough solar power technology and describes the R&D efforts that are in progress to enhance this technology. The paper also shows how the economics of future parabolic trough solar power plants are expected to improve.
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21

Alamr, Maiyada A., and Mohamed R. Gomaa. "A Review of Parabolic Trough Collector (PTC): Application and Performance Comparison." International Journal of Applied Sciences & Development 1 (December 31, 2022): 24–34. http://dx.doi.org/10.37394/232029.2022.1.4.

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In these circumstances, we must search forward to ‘green energy’ for power generation. Green energy means environment-friendly and non-polluting energy (inclusive of solar, biomass, wind, tidal, etc.). Concentrated Solar Power (CSP) generation is one of the maximum promising candidates for mitigating the destiny power crisis. The extracted energy from CSP technology may be very clean, dependable, and environmentally friendly. A review of the parabolic trough collector (PTC) which is one of the CSP technology with a focus on the components, the working principle, and thermal properties of the parabolic trough collector. Also, this study explains the parabolic trough power plants with tracking systems, from the other hand, evaluates the effects of using many types of reflectors and multi kinds of working fluids on the performance of the parabolic trough collector (PTC), in addition of that study presents the use of PTCs in many applications.
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22

Natraj, K. S. Reddy, and B. N. Rao. "Investigation of Variable Wind Loads and Shape Accuracy of Reflectors in Parabolic Trough Collector." Proceedings of the 12th Structural Engineering Convention, SEC 2022: Themes 1-2 1, no. 1 (December 19, 2022): 1495–504. http://dx.doi.org/10.38208/acp.v1.681.

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Concentrated solar power is the technology involving reflectors which reflects the solar radiation and concentrates the radiations onto a receiver which absorbs the solar radiation and rises the temperature of the fluid flowing through it and the fluid is further used for process heating or power generation. Solar parabolic trough is the most established technology among the concentrated solar power technologies. For the optimization of the technology it is important to optimize the parabolic trough collectors from structural point of view as even gravity load is observed to cause a substantial effect on the shape of the reflector. Shape accuracy of the reflector is measured in terms of slope deviation. The slope deviation induced due to gravity and wind loads causes a change in optical and thermal efficiencies. The paper presents the study on pressure distribution at the surface of parabolic trough collector under different wind velocity, angle of attack of wind and orientation of the trough. Further, the pressure values over the trough surface are used to estimate the shape errors for the surface of the trough.
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23

R, Suresh, Subash Chandra Bose.R, Arumugam K, Anbazhagan R, Sathiyamoorthy V, Nagendran N.A, and Prakash E. "EXPERIMENTAL INVESTIGATIONS OF A SOLAR PARABOLIC TROUGH COLLECTOR FOR CIRCULAR AND ELLIPTICAL ABSORBER." JOURNAL OF ADVANCES IN CHEMISTRY 13, no. 7 (February 13, 2017): 6348–55. http://dx.doi.org/10.24297/jac.v13i7.5717.

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            Solar parabolic trough collector is one of the most efficient and an effective technology to deal with environmental pollution and it has gained much attention due to the recent energy demand. The solar parabolic trough collector is one of the most promising techniques for absorbing the heat from the sun. This heat is utilized for electricity generation and other industrial heating applications. This paper describes the theoretical and experimental assessment of performance of the circular and elliptical absorbers used in solar parabolic trough collector. The absorber tube of parabolic trough collector is used to transfer the heat to the working fluid. The working fluid considered over here is water which is the best operating medium in direct steam generation. The mass flow rate of water in absorber tube is analyzed in 3 stages as 0.016, 0.024 and 0.030 kg/s respectively. The experimental test is done in Chennai-Tamilnadu, Southern part of India which experiences a superior temperature throughout the year. The experiment is conducted for the period of one year from June 2015 to May 2016. The performance improvement focuses on collector efficiency, useful heat transfer rate, outlet temperature of working fluid, temperature gradient, overall heat transfer rate and the thermal losses.
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24

Nattappan, Anbuchezhian, Suganya Priyadharshini Ganesan, Velmurugan Thiagarajan, and Krishnamoorthy Ranganathan. "Design of automation control thermal system integrated with parabolic trough collector based solar plant." Thermal Science, no. 00 (2021): 218. http://dx.doi.org/10.2298/tsci201113218n.

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This paper presents enhanced design for Automation control of processes involved in a solar system which utilizes programmable logic controller to automate tracking system for obtaining maximum solar radiation. Three areas are involved in this proposed multi area system where first and second area considers solar power plant with thermal system based parabolic trough collector with fixed solar isolation and random isolation of solar energy whereas third area comprises of solar thermal system with dish Stirling realistic unit. Energy efficiency can be increased by using solar concentrator along with Stirling engine. Optimization of gain of the controller is by utilizing crow search novel algorithm. Crow search algorithm is an optimization technique, which provides better performance at complex time varying noisy condition and time in-varying noisy condition. The Proposed controller is evaluated by obtaining the optimized parameters of the system whose comparison is done by operating proposed controller with & without renewable sources of energy thereby revealing better performance for both conditions. Testing is done in different areas with fixed solar isolation and random stisolation of solar energy involved in solar thermal power plant based on parabolic trough collector. Gain and parameters of the controller of the solar power plant are optimized by utilizing automation for operation of solar concentrator with parabolic Trough collector. Data acquisition and monitoring is done by human machine interface (HMI) in order to report safe operation. The Simulation results of integrated solar thermal system involving dish Stirling with parabolic trough collector, shows that dynamic response of the proposed controller operating with renewable solar energy is better than that of non-renewable energy source.
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25

Journal, Baghdad Science. "Parabolic Trough Solar Collector – Design, Construction and Testing." Baghdad Science Journal 8, no. 2 (June 12, 2011): 658–65. http://dx.doi.org/10.21123/bsj.8.2.658-665.

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This paper presents the design, construction and investigates an experimental study of a parabolic Trough Solar Collector (PTSC). It is constructed of multi – piece glass mirror to form the parabolic reflector (1.8 m ? 2.8 m) its form were checked with help of a laser and carbon steel rectangular as receiver. Sun tracker has been developed (using two – axis) to track solar PTSC according to the direction of beam propagation of solar radiation. Using synthetic oil as a heat transfer its capability to heat transfer and load high temperature (?400 oc). The storage tank is fabricated with stainless steel of size 50 L. The experimental tests have been carried out in Baghdad climatic conditions (33.3o N, 44.4o E) during selective days of the months October and November. The performance of PTSC is evaluated using outdoor experimental measurements including the useful heat gain, the thermal instantaneous efficiency and the energy gained by the storage tank oil. The storage tank oil temperature is increased from 30oc at 9:30h to 136oc at 13:30h without draw – off oil. The experimental result shows the average thermal efficiency was 42% which is fairly acceptable assessment results of a PTSC locally.
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26

Woldemicha, Dereje E., Hoe K. Cheng, Abraham D. Woldeyohan, and Lim Chye Ing. "Design Support System for Parabolic Trough Solar Collector." Journal of Applied Sciences 12, no. 23 (November 15, 2012): 2474–78. http://dx.doi.org/10.3923/jas.2012.2474.2478.

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27

Moafaq Kaseim Shiea, Al-Ghezi. "HEAT STORAGE SYSTEM FOR PARABOLIC TROUGH SOLAR COLLECTOR." University News. North-Caucasian Region. Technical Sciences Series, no. 2 (June 2016): 72–76. http://dx.doi.org/10.17213/0321-2653-2016-2-72-76.

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28

Manikandan, K. Senthil, G. Kumaresan, R. Velraj, and S. Iniyan. "Parametric Study of Solar Parabolic Trough Collector System." Asian Journal of Applied Sciences 5, no. 6 (August 1, 2012): 384–93. http://dx.doi.org/10.3923/ajaps.2012.384.393.

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29

Huang, Weidong, Peng Hu, and Zeshao Chen. "Performance simulation of a parabolic trough solar collector." Solar Energy 86, no. 2 (February 2012): 746–55. http://dx.doi.org/10.1016/j.solener.2011.11.018.

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Bellos, Evangelos, Ilias Daniil, and Christos Tzivanidis. "Multiple cylindrical inserts for parabolic trough solar collector." Applied Thermal Engineering 143 (October 2018): 80–89. http://dx.doi.org/10.1016/j.applthermaleng.2018.07.086.

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Bellos, Evangelos, Ilias Daniil, and Christos Tzivanidis. "A cylindrical insert for parabolic trough solar collector." International Journal of Numerical Methods for Heat & Fluid Flow 29, no. 5 (May 7, 2019): 1846–76. http://dx.doi.org/10.1108/hff-05-2018-0190.

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Purpose The purpose of this paper is to investigate a cylindrical flow insert for a parabolic trough solar collector. Centrally placed and eccentric placed inserts are investigated in a systematic way to determine which configuration leads to the maximum thermal enhancement. Design/methodology/approach The analysis is performed in SolidWorks Flow Simulation with a validated computational fluid dynamics model. Moreover, the useful heat production and the pumping work demand increase are evaluated using the exergy and the overall efficiency criteria. The different scenarios are compared for inlet temperature of 600 K, flow rate of 100 L/min and Syltherm 800 as the working fluid. Moreover, the inlet temperature is examined from 450 to 650 K, and the diameter of the insert is investigated up to 50 mm. Findings According to the final results, the use of a cylindrical insert of 30 mm diameter is the most sustainable choice which leads to 0.56 per cent thermal efficiency enhancement. This insert was examined in various eccentric positions, and it is found that the optimum location is 10 mm over the initial position in the vertical direction. The thermal enhancement, in this case, is about 0.69 per cent. The pumping work demand was increased about three times with the insert of 30 mm, but the absolute values of this parameter are too low compared to the useful heat production. So, it is proved that the increase in the pumping work is not able to eliminate the useful heat production increase. Moreover, the thermal enhancement is found to be greater at higher temperature levels and can reach up to 1 per cent for an inlet temperature of r650 K. Originality/value The present work is a systematic investigation of the cylindrical flow insert in a parabolic trough collector. Different diameters of this insert, as well as different positions in two dimensions, are examined using a parametrization of angle-radius. To the authors’ knowledge, there is no other study in the literature that investigates the presented many cases systematically with the followed methodology on parabolic trough collectors. Moreover, the results of this work are evaluated with various criteria (thermal, exergy and overall efficiency), something which is not found in the literature.
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Grena, Roberto. "Optical simulation of a parabolic solar trough collector." International Journal of Sustainable Energy 29, no. 1 (March 2010): 19–36. http://dx.doi.org/10.1080/14786450903302808.

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Bawane, Aditya, Sanjay Lakade, and Virendra Bhojwani. "A Study on Performance Enhancement of Parabolic Trough Collector." E3S Web of Conferences 170 (2020): 01030. http://dx.doi.org/10.1051/e3sconf/202017001030.

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Solar energy is available in abundant quantity which can be utilized for thermal and power generation applications. The maximum solar energy extraction for application is challenging. This review focuses on the performance enhancement of parabolic trough collector. Heat transfer through absorber tube, various nanofluids with concentration is stated. Thermal efficiency increases due to the use of parabolic collector with booster reflector and glass cover over the system performance. The complex 3D analysis (ANSYS) gives accurate distribution of heat flux over the absorber tube.
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Bandala, Erick R., and Claudio Estrada. "Comparison of Solar Collection Geometries for Application to Photocatalytic Degradation of Organic Contaminants." Journal of Solar Energy Engineering 129, no. 1 (November 17, 2005): 22–26. http://dx.doi.org/10.1115/1.2390986.

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A comparative study between four different solar collectors was carried out using oxalic acid and the pesticide carbaryl as model contaminants. The comparison was performed by means of a figure-of-merit developed for solar driven Advanced Oxidation Technology systems by the International Union of Pure and Applied Chemistry (IUPAC) for standardization purposes. It was found that there is a relationship between the photocatalyst concentration and the overall solar collector performance. Compound parabolic concentrator was the geometry with the highest turnover rate in the photocatalytic process of oxalic acid, followed by the V trough collector, the parabolic concentrator, and, finally, the tubular collector. When a comparative analysis was carried out using the figure of merit (collector area per order, ACO), the parabolic trough concentrator (PTC) showed the highest efficiency (lower ACO values) at low photocatalyst loads. The V trough collector and the compound parabolic collector showed similar ACO values, which decreased as the photocatalyst concentration increased. The tubular collector was the worst in all catalyst concentration ranges, with the higher collection surface by the order of oxalic acid. Photocatalytic degradation of the carbamic pesticide was tested using the same experimental arrangement used for oxalic acid. In this case, the use of the figure-of-merit allowed us to observe the same trend as that displayed for oxalic acid, but with slightly higher ACO values. Results of this work demonstrate that a comparison between different reactor geometries for photocatalytic processes is viable using this figure-of-merit approach and that the generated results can be useful in the standardization of a methodology for solar driven processes comparison and provide important data for the scaling up of the process.
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De Oliveira Siqueira, Antonio Marcos, Gabi Antoine Altabash, Rayan Fadi Barhouche, Gabriel Siqueira Silva, and Fábio Gonçalves Villela. "SIMULATION STUDY OF PARABOLIC TROUGH SOLAR POWER PLANTS IN BRAZIL." International Journal of Research -GRANTHAALAYAH 7, no. 8 (August 31, 2019): 17–28. http://dx.doi.org/10.29121/granthaalayah.v7.i8.2019.634.

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Various data reveals the potential of concentrated solar technologies for the electricity production. With global growing energy demand and green-house gas emission, concentrating solar power is considered as one of the promising options and has invited wide attention. In this work, a model for a 30 MW parabolic trough solar power plant system was developed for 31 different locations in Brazil, using TRNSYS simulation software, and TESS and STEC libraries. The power system consists of a parabolic trough solar collector loop connected to a power block by a series of heat exchangers. The solar collector loop consists of a field of parabolic trough collectors, stratified thermal storage tank, pump and heat exchangers to drive the power block and uses Therminol VP1 as heat transfer fluid. The results show that the cities of Recife (PE), Fortaleza (CE), Belterra (PA), Salvador (BA) and Petrolina (PE) stand out for their high monthly values of direct normal irradiation and, resulting the highest production of energy by the same configuration of Solar Central Power Plant.
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Allam, Mohamed, Mohamed Tawfik, Maher Bekheit, and Emad El-Negiry. "Experimental Investigation on Performance Enhancement of Parabolic Trough Concentrator with Helical Rotating Shaft Insert." Sustainability 14, no. 22 (November 8, 2022): 14667. http://dx.doi.org/10.3390/su142214667.

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The parabolic trough collector provides an extensive range of solar heating and electricity production applications in solar power plants. The receiver tube of the parabolic trough collector has a vital role in enhancing its performance by using different inserts inside it. In the present work, outdoor experimental tests were conducted to study the performance of a small-scale parabolic trough collector equipped with a centrally placed rotating helical shaft. Three cases were studied: a parabolic trough collector without helical shaft insert, a parabolic trough collector with stationary helical shaft insert, and a parabolic trough collector with a rotating helical shaft insert. The experiments are performed for different shaft rotational speeds (4, 11, and 21 RPM) and various flow rates (0.5, 1, 1.5, 2, and 2.5 LPM) of water as a heat transfer fluid. The fluid flow and heat transfer parameters (friction factor, Reynolds number, Nusselt number, and thermal enhancement factor) and performance parameters (thermal, overall, and exergetic efficiencies) are studied. The results indicated that the helical shaft insert had increased the required pumping power for the same flow rate. However, the parabolic trough collector thermal performance has enhanced with the shaft rotational speed. For all cases, the parabolic trough collector efficiency increases with the flow rate of the heat transfer fluid, but the percentage enhancement in efficiency decreases. Using a shaft rotational speed of 21 RPM and heat transfer fluid flow rates of 0.5 LPM leads to maximum thermal efficiency enhancement and a maximum friction factor ratio of 46.47% and 7.7 times, respectively, compared to plain tube. A comparison based on the same pumping power (thermal enhancement factor) shows that the maximum enhancement occurs at a flow rate of 1 LPM, and the efficiency enhancement is about 37% at a shaft rotational speed of 21 RPM. From an economic point of view, using a rotating helical shaft produces the lower annual cost of useful heat per kWh.
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Ahmed Abd-Eltawab Altaher, Mohamed Salama Abd-Elhady, Mohamed Nagiub El-Sheikh, and Seif Alnasr Ahmed. "The Effect of Using Secondary Reflectors on the Thermal Performance of Solar Collectors with Evacuated Tubes." Journal of Advanced Research in Fluid Mechanics and Thermal Sciences 99, no. 2 (November 11, 2022): 187–96. http://dx.doi.org/10.37934/arfmts.99.2.187196.

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The aim of this paper is to improve the thermal performance of the evacuated tube solar collectors by using secondary reflectors and covering the collector surface area with an aluminum foil. Adding a secondary reflecting surface in the form of a parabola fixed on the end of the parabolic trough, acts as an additional reflective surface, which increases the input energy to the solar collector and consequently improves the thermal output of the collector. Two solar collectors were manufactured, one with modifications and the other without modifications, which is taken as a reference for the sake of comparison. Four experiments were performed; the first and second experiments reported the influence of adding a horizontal and a vertical secondary reflector on the solar collector efficiency. In the third and fourth experiment the effect of covering the collector surface area with aluminum foil together with a secondary vertical reflector on the heat gained by the bulb is examined. It is found that the average temperature of the heat pipe bulb in case of a secondary reflector installed horizontally is about 2.5% greater than the average temperature of the reference collector, while in case of the secondary reflector installed vertically is 7% greater than the reference collector. Adding the secondary reflecting surface in the vertical position, and covering the surface area of main parabola and the secondary reflector with aluminum foil, has increased the temperature of the heat pipe bulb by 11%. Finally, adding a secondary vertical reflector to the parabolic trough collector and covering both reflectors, i.e. the primary and the secondary reflectors, with aluminum foil improve the heating capability of the solar collector.
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Siva Reddy, E., R. Meenakshi Reddy, and K. Krishna Reddy. "Experimental Study on Thermal Efficiency of Parabolic Trough Collector (PTC) Using Al2O3/H2O Nanofluid." Applied Mechanics and Materials 787 (August 2015): 192–96. http://dx.doi.org/10.4028/www.scientific.net/amm.787.192.

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Dispersing small amounts of solid nano particles into base-fluid has a significant impact on the thermo-physical properties of the base-fluid. These properties are utilized for effective capture and transportation of solar energy. This paper attempts key idea for harvesting solar energy by using alumina nanofluid in concentrating parabolic trough collectors. An experimental study is carried out to investigate the performance of a parabolic trough collector using Al2O3-H2O based nanofluid. Results clearly indicate that at same ambient, inlet temperatures, flow rate, concentration ratio etc. hike in thermal efficiency is around 5-10 % compared to the conventional Parabolic Trough Collector (PTC). Further, the effect of various parameters such as concentration ratio, receiver length, fluid velocity, volume fraction of nano particles has been studied. The different flow rates employed in the experiment are 2 ml/s, 4 ml/s and 6 ml/s. Volumetric concentration of 0.02%, 0.04% and 0.06% has been studied in the experiment. Surfactants are not introduced to avoid bubble formation. Tracking mode of parabolic trough collector is manual. Results also reveal that Al2O3-H2O based nanofluid has higher efficiency at higher flow rates.
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39

Lotake, Swapnil N., and M. M. Wagh. "Performance Evaluation of Multiple Helical Tubes as a Receiver for Solar Parabolic Trough Collector." Asia Pacific Journal of Energy and Environment 6, no. 2 (December 31, 2019): 115–22. http://dx.doi.org/10.18034/apjee.v6i2.272.

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Solar parabolic trough collector consists of a parabolic reflector with a central receiver at a focal point through which heat transfer fluid is passed. Parabolic trough collector is used mostly in solar thermal power plants for generating electricity. This paper describes the experimental results of two straight tubes wrapped over each other to form a helically shaped receiver. The receiver was tested with aluminium material with and without black paint over it. Also, the helical tube receiver was tested with a glass cover over it, at two different mass flow rates and, with and without manual tracking. The tested instantaneous thermal efficiency ranges from 31.26% to 45.28% and the overall thermal efficiency ranges from 14.9% to 31.41% during the experimental period. The instantaneous thermal efficiency increased by an average of 1.32 times for unpainted receiver and 1.36 times for black painted receiver with the increase in mass flow rate. By tracking the parabolic collector according to sun’s position, there is an average increase in instantaneous thermal efficiency by 1.1 times for unpainted receiver and 1.04 times for black painted receiver. The paper further reveals that the use of multiple helical tubes as a receiver for parabolic trough collector increases the overall efficiency of the collector in a substantial manner.
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40

Lotake, Swapnil N., and M. M. Wagh. "Performance Evaluation of Multiple Helical Tubes as a Receiver for Solar Parabolic Trough Collector." Asia Pacific Journal of Energy and Environment 7, no. 1 (April 24, 2020): 39–46. http://dx.doi.org/10.18034/apjee.v7i1.272.

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Solar parabolic trough collector consists of a parabolic reflector with a central receiver at a focal point through which heat transfer fluid is passed. Parabolic trough collector is used mostly in solar thermal power plants for generating electricity. This paper describes the experimental results of two straight tubes wrapped over each other to form a helically shaped receiver. The receiver was tested with aluminium material with and without black paint over it. Also, the helical tube receiver was tested with a glass cover over it, at two different mass flow rates and, with and without manual tracking. The tested instantaneous thermal efficiency ranges from 31.26% to 45.28% and the overall thermal efficiency ranges from 14.9% to 31.41% during the experimental period. The instantaneous thermal efficiency increased by an average of 1.32 times for unpainted receiver and 1.36 times for black painted receiver with the increase in mass flow rate. By tracking the parabolic collector according to sun’s position, there is an average increase in instantaneous thermal efficiency by 1.1 times for unpainted receiver and 1.04 times for black painted receiver. The paper further reveals that the use of multiple helical tubes as a receiver for parabolic trough collector increases the overall efficiency of the collector in a substantial manner.
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41

Said, Sana, Sofiene Mellouli, Talal Alqahtani, Salem Algarni, and Ridha Ajjel. "New Evacuated Tube Solar Collector with Parabolic Trough Collector and Helical Coil Heat Exchanger for Usage in Domestic Water Heating." Sustainability 15, no. 15 (July 25, 2023): 11497. http://dx.doi.org/10.3390/su151511497.

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Buildings represent approximately two-thirds of the overall energy needs, mainly due to the growing energy consumption of air conditioning and water heating loads. Hence, it is necessary to minimize energy usage in buildings. Numerous research studies have been carried out on evacuated tube solar collectors, but to our knowledge, no previous study has mentioned the combination of an evacuated tube solar collector with a parabolic trough collector and a helical coil heat exchanger. The objective of this paper is to evaluate the thermal behavior of an innovative evacuated tube solar collector (ETSC) incorporated with a helical coil heat exchanger and equipped with a parabolic trough collector (PTC) used as a domestic water heater. To design the parabolic solar collector, the Parabola Calculator 2.0 software was used, and the Soltrace software was used to determine the optical behavior of a PTC. Moreover, an analytical model was created in order to enhance the performance of the new model of an ETSC by studying the impact of geometric design and functional parameters on the collector’s effectiveness. An assessment of the thermal behavior of the new ETSC was performed. Thus, the proposed analytical model gives the possibility of optimizing ETSCs used as domestic water heaters with lower computational costs. Furthermore, the optimum operational and geometrical parameters of the new ETSC base-helical tube heat exchanger include a higher thermal efficiency of 72%. This finding highlights the potential of the heat exchanger as an excellent component that can be incorporated into ETSCs.
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42

Vijayan, Gopalsamy, and Karunakaran Rajasekaran. "Performance evaluation of nanofluid on parabolic trough solar collector." Thermal Science 24, no. 2 Part A (2020): 853–64. http://dx.doi.org/10.2298/tsci180509059g.

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In the present work, the performance of aluminum oxide and deionized water nanofluid used as heat transfer fluid on a parabolic trough solar collector system with hot water generation tank is evaluated. The parabolic trough solar collector is developed using easily and locally accessible materials. Five different concentrations of aluminum oxide and deionized water based nanofluid from 0.5-2.5% is prepared by the magnetic stirrer initially and then the mixture is subjected to ultrasonication process to break aggregates with the absence of surfactant. The prepared nanofluids are allowed to flow through the absorber which is located at a focal point of the solar collector. The performance of nanofluid is compared with pure deionized water. The test is conducted from 8.00 a. m. to 16.00 p. m. daily in the whole length of the test span. The heat transfer fluid is allowed to flow at a mass-flow rate of 0.020 kg/s and 0.09246 m/s velocities. The maximum solar radiation is 821 W/m2, and maximum efficiency is observed at noon time 60.41% for deionized water and 60.49% for 2.5% volumetric fraction of alumina nanofluid. The efficiency enhancement was 3.90% than deionized water. The influence of the critical parameter on the performance is also examined.
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43

Tagle-Salazar, Pablo D., Krishna D. P. Nigam, and Carlos I. Rivera-Solorio. "Parabolic trough solar collectors: A general overview of technology, industrial applications, energy market, modeling, and standards." Green Processing and Synthesis 9, no. 1 (November 23, 2020): 595–649. http://dx.doi.org/10.1515/gps-2020-0059.

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AbstractMany innovative technologies have been developed around the world to meet its energy demands using renewable and nonrenewable resources. Solar energy is one of the most important emerging renewable energy resources in recent times. This study aims to present the state-of-the-art of parabolic trough solar collector technology with a focus on different thermal performance analysis methods and components used in the fabrication of collector together with different construction materials and their properties. Further, its industrial applications (such as heating, cooling, or concentrating photovoltaics), solar energy conversion processes, and technological advancements in these areas are discussed. Guidelines on commercial software tools used for performance analysis of parabolic trough collectors, and international standards related to performance analysis, quality of materials, and durability of parabolic trough collectors are compiled. Finally, a market overview is presented to show the importance and feasibility of this technology. We believe the compilation of reviews related to the above aspects will further provide impetus for the development of this technology in the near future.
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44

Liu, Jian Ping, Bang Yan Ye, Guan Xun, and Ya Ping Shi. "Mechanical Analysis and Structural Optimization of the Parabolic Trough Solar Collector." Key Engineering Materials 579-580 (September 2013): 916–23. http://dx.doi.org/10.4028/www.scientific.net/kem.579-580.916.

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Parabolic trough solar thermal power generation system is always restricted by high drive torque, low thermal efficiency and high investment cost. In this paper, the parabolic trough solar collector in a solar energy application base is taken as the research object and FEM was used to realizing its structural light-weighting design. The structural overall performance is improved to lay a foundation for innovating drive mode and expanding the rotation scope. Beginning of the paper, the wind load characteristic was analyzed and its computational formula was provided the magnitude of wind load was computed; then, the static performance of the solar collector was analyzed by using ANSYS Workbench and the worst working condition of each static characteristic was confirmed to service for the later structural optimization; last, the overall optimization scheme of the solar collector was put forward, the position of the reflectors supporting point and the structure of the solar collectors cantilever was optimized.
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45

HEGAZY, A. S., M. M. EL-KASSABY, and M. A. HASSAB. "EFFECT OF PARABOLIC TROUGH SOLAR COLLECTOR ORIENTATION ON ITS COLLECTION EFFICIENCY." International Journal of Solar Energy 16, no. 3 (January 1995): 173–83. http://dx.doi.org/10.1080/01425919508914275.

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46

Rongrong, Zhai, Yang Yongping, Yan Qin, and Zhu Yong. "Modeling and Characteristic Analysis of a Solar Parabolic Trough System: Thermal Oil as the Heat Transfer Fluid." Journal of Renewable Energy 2013 (2013): 1–8. http://dx.doi.org/10.1155/2013/389514.

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The thermal oil is applied as the heat transfer fluid in a solar parabolic trough collector system. Firstly, the system dynamic model was established and validated by the real operating data in typical summer and spring days in references. Secondly, the alteration characteristics of different solar radiation, inlet water temperature and flow rate, and collectors’ area and length are analyzed and compared with the normal working condition. The model can be used for studying, system designing, and better understanding of the performance of parabolic trough systems.
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47

Hameed, Vinous M. "Investigating Study of New Enhanced Parabolic Solar Collector Trough." IOP Conference Series: Materials Science and Engineering 1094, no. 1 (February 1, 2021): 012102. http://dx.doi.org/10.1088/1757-899x/1094/1/012102.

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48

Mahammed, Subhi S., Tadahmun Ahmed Yassen, and Hameed Jassim Khalaf. "Theoretical Study of the Compound Parabolic Trough Solar Collector." Tikrit Journal of Engineering Sciences 19, no. 2 (June 30, 2012): 1–9. http://dx.doi.org/10.25130/tjes.19.2.01.

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Theoretical design of compound parabolic trough solar collector (CPC) without tracking is presented in this work. The thermal efficiency is obtained by using FORTRAN 90 program. The thermal efficiency is between (60-67)% at mass flow rate between (0.02-0.03) kg/s at concentration ratio of (3.8) without need to tracking system. The total and diffused radiation is calculated for Tikrit city by using theoretical equations. Good agreement between present work and the previous work.
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Fayadh, M. A., A. F. Majeed, and M. M. Walla. "Design and Fabricated of improvement Parabolic Trough Solar Collector." IOP Conference Series: Materials Science and Engineering 454 (December 12, 2018): 012127. http://dx.doi.org/10.1088/1757-899x/454/1/012127.

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50

CHAFIOU, Hassane, and İbrahim ÜÇGÜL. "Energy Generation With Parabolic Trough Solar Collector In Comoros Islands." Uluslararası Teknolojik Bilimler Dergisi 14, no. 1 (April 30, 2022): 30–39. http://dx.doi.org/10.55974/utbd.1065773.

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1973 petrol krizi, varil fiyatının 2,59 dolardan 11,65 dolara çıkmasına neden olmuştur. 1973 den günümüze kadar pek çok petrol krizi yaşanmıştır. Yaşanılan bu krizler, dünyadaki ülkeleri alternatif çözümler aramaya yönelmişlerdir. Araştırmalar sonucunda yenilenebilir enerji kaynaklarına yönelim bir çözüm olarak ortaya çıkmıştır. Yenilenebilir kaynaklar, tükenmez ve fosil yakıtlara göre daha temiz enerji kaynaklarıdır. Yenilenebilir enerji kaynakları arasında güneş enerjisi en umut verici bir kaynaktır. Güneş enerjisi, kullanım kolaylığı, her yerde bulunması ve aynı zamanda en ucuz enerji olması ile diğer yenilenebilir enerji kaynaklarından ayrılmaktadır. Güneş enerjisinden elektrik üretmek için birçok farklı teknoloji ve yöntem mevcuttur. Elektrik enerjisi elde etmek için en verimli ve en yaygın teknoloji, güneş ışınlarını tek bir yerde yoğunlaştırıp yüksek sıcaklıklar elde ederek bir türbinini çalıştırmaktır. Bu yöntem başında da parabolik oluk tipi güneş kollektörleri gelmektedir. Bu yöntemde direkt güneş ışınları bir yansıtıcı yüzey sayesinde parabolik kollektörünün odak noktasında boydan boya yerleştirilen alıcı boruya yansıtarak yoğunlaştırma yapılmaktadır. Bu çalışmada enerji teminde dışa ve fosil kökenli yakıtlara bağımlı olan Komor Adalarının enerji sorununa çözüm bulmak amacıyla teorik bir çalışma yapılmıştır. Bu çalışmada Komor güneş enerjisi potansiyeli, güneş ışınımı ve güneş ışınların hesaplanması için gereken denklemleri ile yoğunlaştırıcı sistemler hakkında bilgi verilmiştir. Ayrıca parabolik oluk tipi güneş yoğunlaştırıcısının boyutlandırılması, sistemdeki ısıl ve optik kayıpların hesaplanması için gereken denklemler detaylı bir şekilde açıklanmıştır. Ardından parabolik oluk tipi güneş kollektörü ile Komor Adaları’nda elektrik enerjisi üretimin hesaplamaları yapılmıştır. Komor Adaları’nda elektrik enerjisi üretim için kurulu gücü, 400kWe olan parabolik oluk güneş yoğunlaştırıcı sistemi ve ORC türbinli güç üretim sistemi kullanılmıştır. Son olarak yapılan hesaplamalar ve analizler değerlendirilmiş ve bu sistemin Komor Adaları’nda uygunluğu ortaya konmuştur.
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