Journal articles on the topic 'Solar tower power'

To see the other types of publications on this topic, follow the link: Solar tower power.

Create a spot-on reference in APA, MLA, Chicago, Harvard, and other styles

Select a source type:

Consult the top 50 journal articles for your research on the topic 'Solar tower power.'

Next to every source in the list of references, there is an 'Add to bibliography' button. Press on it, and we will generate automatically the bibliographic reference to the chosen work in the citation style you need: APA, MLA, Harvard, Chicago, Vancouver, etc.

You can also download the full text of the academic publication as pdf and read online its abstract whenever available in the metadata.

Browse journal articles on a wide variety of disciplines and organise your bibliography correctly.

1

Schlaich, Jo¨rg, Rudolf Bergermann, Wolfgang Schiel, and Gerhard Weinrebe. "Design of Commercial Solar Updraft Tower Systems—Utilization of Solar Induced Convective Flows for Power Generation." Journal of Solar Energy Engineering 127, no. 1 (February 1, 2005): 117–24. http://dx.doi.org/10.1115/1.1823493.

Full text
APA, Harvard, Vancouver, ISO, and other styles
Abstract:
A solar updraft tower power plant—sometimes also called “solar chimney” or just “solar tower”—is a solar thermal power plant utilizing a combination of solar air collector and central updraft tube to generate a solar induced convective flow which drives pressure staged turbines to generate electricity. The paper presents theory, practical experience, and economy of solar updraft towers: First a simplified theory of the solar tower is described. Then results from designing, building and operating a small scale prototype in Spain are presented. Eventually technical issues and basic economic data for future commercial solar tower systems like the one being planned for Australia are discussed.
2

Kolb, Gregory J., Richard B. Diver, and Nathan Siegel. "Central-Station Solar Hydrogen Power Plant." Journal of Solar Energy Engineering 129, no. 2 (April 13, 2006): 179–83. http://dx.doi.org/10.1115/1.2710246.

Full text
APA, Harvard, Vancouver, ISO, and other styles
Abstract:
Solar power towers can be used to make hydrogen on a large scale. Electrolyzers could be used to convert solar electricity produced by the power tower to hydrogen, but this process is relatively inefficient. Rather, efficiency can be much improved if solar heat is directly converted to hydrogen via a thermochemical process. In the research summarized here, the marriage of a high-temperature (∼1000°C) power tower with a sulfuric acid∕hybrid thermochemical cycle was studied. The concept combines a solar power tower, a solid-particle receiver, a particle thermal energy storage system, and a hybrid-sulfuric-acid cycle. The cycle is “hybrid” because it produces hydrogen with a combination of thermal input and an electrolyzer. This solar thermochemical plant is predicted to produce hydrogen at a much lower cost than a solar-electrolyzer plant of similar size. To date, only small lab-scale tests have been conducted to demonstrate the feasibility of a few of the subsystems and a key immediate issue is demonstration of flow stability within the solid-particle receiver. The paper describes the systems analysis that led to the favorable economic conclusions and discusses the future development path.
3

Shatnawi, Hashem, Chin Wai Lim, and Firas Basim Ismail. "Solar Thermal Power: Appraisal of Solar Power Towers." MATEC Web of Conferences 225 (2018): 04003. http://dx.doi.org/10.1051/matecconf/201822504003.

Full text
APA, Harvard, Vancouver, ISO, and other styles
Abstract:
This study delves into several engineering procedures related to solar power tower plants. These installations come with central receiver system technologies and high-temperature power cycles. Besides a summary emphasizing on the fundamental components of a solar power tower, this paper also forwards a description of three receiver designs. Namely, these are the tubular receiver, the volumetric receiver and the direct absorber receiver. A variety of heat transfer mediums were assessed, while a comprehensive explanation was provided on the elements of external solar cylindrical receivers. This explanation covers tube material, molten salt, tube diameter and heat flux.
4

Morosini, Ettore, Giancarlo Gentile, Marco Binotti, and Giampaolo Manzolini. "Techno-economic assessment of small-scale solar tower plants with modular billboard receivers and innovative power cycles." Journal of Physics: Conference Series 2385, no. 1 (December 1, 2022): 012109. http://dx.doi.org/10.1088/1742-6596/2385/1/012109.

Full text
APA, Harvard, Vancouver, ISO, and other styles
Abstract:
Abstract This work investigates performances and costs of various configurations of 5 MWel solar tower CSP plants, located in Sicily. The design of the plants aims at comparing two solar towers concepts (i.e., a single tower and modular towers), both adopting billboard receivers. A sensitivity on various heat transfer fluids (i.e., solar salt and sodium), storage fluids (solar salt and NaCl-MgCl2) and power block technologies (i.e., steam Rankine and sCO2 cycles) is also proposed. For each investigated plant configuration, tailored numerical models are presented to assess the performances of each plant subsystem (e.g., solar field, receiver, piping system, power cycle). The results show very competitive LCOE (between 160 and 180 $/MWhel), achievable with satisfactory capacity factors (around 55%), while suggesting good profitability levels for such investments in small scale CSP plants.
5

Falahat, Farah M., and Mohamed R. Gomaa. "A review study on solar tower using different heat transfer fluid." Technology audit and production reserves 5, no. 1(67) (November 21, 2022): 38–43. http://dx.doi.org/10.15587/2706-5448.2022.267560.

Full text
APA, Harvard, Vancouver, ISO, and other styles
Abstract:
The object of research is distinguishing the different heat transfer fluids (HTF) in concentrating solar power (CSP). CSP technologies are gaining more attention these years due to the fact that the world is facing significant problems, especially concerning environmental issues and the increasing electricity demand. The world countries are currently committed to mitigating climate change and limiting greenhouse gas emissions to keep the global temperature rising below 2 °C. As a result, renewable energy sources are required for power generation. One of the most widely used technologies is the solar tower, where mirrors reflect solar radiation into a central receiver on top of a tower that contains a working fluid known as heat transfer fluid. The HTF is one of the most important components in solar power tower plants used to transfer and store thermal energy to generate electricity. This study focuses on the HTF used in solar power towers and how it can affect the efficiency of the plant. The HTF discussed in this study are air, water/steam, molten salts, liquid sodium, and supercritical CO2. Among the review of HTFs in the solar tower system, the result of the research shows that the Air can reach the highest temperature while liquid sodium achieves the highest overall plant efficiency.
6

Zhou, Xinping, and Yangyang Xu. "Solar updraft tower power generation." Solar Energy 128 (April 2016): 95–125. http://dx.doi.org/10.1016/j.solener.2014.06.029.

Full text
APA, Harvard, Vancouver, ISO, and other styles
7

Abdelsalam, Emad, Fares Almomani, Shadwa Ibrahim, Feras Kafiah, Mohammad Jamjoum, and Malek Alkasrawi. "A Novel Design of a Hybrid Solar Double-Chimney Power Plant for Generating Electricity and Distilled Water." Sustainability 15, no. 3 (February 2, 2023): 2729. http://dx.doi.org/10.3390/su15032729.

Full text
APA, Harvard, Vancouver, ISO, and other styles
Abstract:
The classical solar chimney offers passive electricity and water production at a low operating cost. However, the solar chimney suffers from high capital cost and low energy output density per construction area. The high capital investment increases the levelized cost of energy (LCOE), making the design less economically competitive versus other solar technologies. This work presents a new noteworthy solar chimney design for high energy density and maximizing water production. This was achieved by integrating a cooling tower with the solar chimney and optimizing the operating mood. The new design operated day and night as a hybrid solar double-chimney power plant (HSDCPP) for continuous electricity and water production. During the daytime, the HSDCPP operated as a cooling tower and solar chimney, while during the night, it operated as a cooling tower. The annual energy output from the cooling towers and solar chimney (i.e., the HSDCPP) totaled 1,457,423 kWh. The annual energy production from the cooling towers alone was 1,077,134 kWh, while the solar chimney produced 380,289 kWh. The annual energy production of the HSDCPP was ~3.83-fold greater than that of a traditional solar chimney (380,289 kWh). Furthermore, the HSDCPP produced 172,344 tons of fresh water per year, compared with zero tons in a traditional solar chimney. This led to lower overall capital expenditures maximizing energy production and lower LCOE.
8

Abu-Hamdeh, Nidal H., and Khaled A. Alnefaie. "The First Solar Power Tower System in Saudi Arabia." Applied Mechanics and Materials 672-674 (October 2014): 123–26. http://dx.doi.org/10.4028/www.scientific.net/amm.672-674.123.

Full text
APA, Harvard, Vancouver, ISO, and other styles
Abstract:
This article is about designing and building a small scale prototype tower system to gather solar energy and store it in a molten salt tank. The system consists of several heliostats directing incident solar rays to a receiver at the top of a tower. It is intended to establish highly reputable research and development facility in solar thermal energy systems. A thorough investigation in the field of building and utilizing solar tower system was conducted. The authors studied and presented the current state of art of the technological developments concerning the solar tower systems and an assessment of their advantages and disadvantages. The adaptability of CSP (Concentrating Solar Power) power systems to Saudi Arabia climate was closely investigated. A scheme for a pilot solar power plant that it most suited to the conditions of Saudi Arabia was proposed. The next stage will be building, fabrication, and constructing the various subsystems; heliostats, tower, receiver, and storage tank.
9

Buck, R., and S. Friedmann. "Solar-Assisted Small Solar Tower Trigeneration Systems." Journal of Solar Energy Engineering 129, no. 4 (March 27, 2007): 349–54. http://dx.doi.org/10.1115/1.2769688.

Full text
APA, Harvard, Vancouver, ISO, and other styles
Abstract:
Solar-hybrid gas turbine power systems offer a high potential for cost reduction of solar power. Such systems were already demonstrated as test systems. For the market introduction of this technology, microturbines in combination with small solar tower plants are a promising option. The combination of a solarized microturbine with an absorption chiller was studied; the results are presented in this paper. The solar-hybrid trigeneration system consists of a small heliostat field, a receiver unit installed on a tower, a modified microturbine, and an absorption chiller. The components are described, as well as the required modifications for integration to the complete system. Several absorption chiller models were reviewed. System configurations were assessed for technical performance and cost. For a representative site, a system layout was made, using selected industrial components. The annual energy yield in power, cooling, and heat was determined. A cost assessment was made to obtain the cost of electricity and cooling power, and eventually additional heat. Various load situations for electric and cooling power were analyzed. The results indicate promising niche applications for the solar-assisted trigeneration of power, heat, and cooling. The potential for improvements in the system configuration and the components is discussed, also the next steps toward market introduction of such systems.
10

Rowe, Scott C., Taylor A. Ariko, Kaylin M. Weiler, Jacob T. E. Spana, and Alan W. Weimer. "Reversible Molten Catalytic Methane Cracking Applied to Commercial Solar-Thermal Receivers." Energies 13, no. 23 (November 26, 2020): 6229. http://dx.doi.org/10.3390/en13236229.

Full text
APA, Harvard, Vancouver, ISO, and other styles
Abstract:
When driven by sunlight, molten catalytic methane cracking can produce clean hydrogen fuel from natural gas without greenhouse emissions. To design solar methane crackers, a canonical plug flow reactor model was developed that spanned industrially relevant temperatures and pressures (1150–1350 Kelvin and 2–200 atmospheres). This model was then validated against published methane cracking data and used to screen power tower and beam-down reactor designs based on “Solar Two,” a renewables technology demonstrator from the 1990s. Overall, catalytic molten methane cracking is likely feasible in commercial beam-down solar reactors, but not power towers. The best beam-down reactor design was 9% efficient in the capture of sunlight as fungible hydrogen fuel, which approaches photovoltaic efficiencies. Conversely, the best discovered tower methane cracker was only 1.7% efficient. Thus, a beam-down reactor is likely tractable for solar methane cracking, whereas power tower configurations appear infeasible. However, the best simulated commercial reactors were heat transfer limited, not reaction limited. Efficiencies could be higher if heat bottlenecks are removed from solar methane cracker designs. This work sets benchmark conditions and performance for future solar reactor improvement via design innovation and multiphysics simulation.
11

Abu-Hamdeh, Nidal H., and Khaled A. Alnefaie. "A Small Concentrating Solar Power Tower System." Applied Mechanics and Materials 575 (June 2014): 640–43. http://dx.doi.org/10.4028/www.scientific.net/amm.575.640.

Full text
APA, Harvard, Vancouver, ISO, and other styles
Abstract:
A small scale prototype of functional R&D solar tower system (about 10 kW) to gather solar energy and store it in a molten salt tank will be designed, developed and built. The prototype tower system will be built at King Abdulaziz University in Jeddah, Saudi Arabia where direct irradiation is very high. Collectors of large mirrors (called heliostats) will be used to track the incident sunrays. The heliostats focus the energy flow towards solar receivers, where energy is transferred to a working thermal fluid. The proposed system consists of several heliostats directing incident solar rays to a tower of height about 20 meters. A solar receiver will be installed at the top of the tower to collect solar energy reflected from the heliostats. The heat transfer fluid (HTF) re-circulated in the receiver transfers the collected heat in the receiver to a storage tank. The storage tank contains molten salts.
12

Janardhan, Kavali, Meghya Nayak, Ch Venkataramana, P. Maheswara Rao, and B. Hemanth Kumar. "Performance Investigation of Solar Photovoltaic System for Mobile Communication Tower Power Feeding Application." International Journal of Electrical and Electronics Research 10, no. 4 (December 30, 2022): 921–25. http://dx.doi.org/10.37391/ijeer.100428.

Full text
APA, Harvard, Vancouver, ISO, and other styles
Abstract:
In emerging nations like India, the use of energy is rising quickly over time. The moment is opportune to rely increasingly on renewable energy sources, such as solar photovoltaic, to satisfy the demand. Mobile communication towers are one of the industries with the highest power consumption rates, and a lot of these towers are situated rather distant from the power grid. This research develops the performance investigation of solar photovoltaic system for mobile communication tower power feeding application. In order to power the mobile tower, a 6 kWP solar photovoltaic system with 250WP polycrystalline solar panels is designed. Multiple low dc voltage ports are needed, and isolated output dc ports at 48 V dc are made using an isolated dc-dc converter. The amount of battery bank needed is determined via mathematical modelling depending on the backup time. On the 1-dimensional platform, real-time inputs like solar radiation and panel temperature are taken into account and simulated. Results are monitored both at the panel level and at the system level using an isolated dc-dc converter for panel level monitoring. Theoretical findings are used to validate the simulation results.
13

Liu, Xiao Hu, Qiu Yu Chen, Hui Liu, Hui Yu, and Fei Yi Bie. "Urban Solar Updraft Tower Integrated with Hi-Rise Building – Case Study of Wuhan New Energy Institute Headquarter." Applied Mechanics and Materials 283 (January 2013): 67–71. http://dx.doi.org/10.4028/www.scientific.net/amm.283.67.

Full text
APA, Harvard, Vancouver, ISO, and other styles
Abstract:
The upfront cost and technical difficulties of constructing a Solar Updraft Tower is its current bottleneck. Based on the case study of Wuhan New Energy Institute headquarters, this paper proposes to integrate an urban Solar Updraft Tower with a hi-rise building design. The integrated design can reduce the construction cost greatly: the solar chimney integrated with the elevator shaft can avoid large investment on a detached chimney structure; the heat collector can be integrated with the roof garden to provide shaded public space. This type of small-scale, distributed Solar Updraft Tower is relatively low-cost and easy promoting. Potentially, it can build up a distributed energy system as a supplement for the power grid. Furthermore, it can provide valuable experimental data for future researches on large scale Solar Updraft Towers.
14

Jameei, A., P. Akbarzadeh, H. Zolfagharzadeh, and SR Eghbali. "Numerical study of the influence of geometric form of chimney on the performance of a solar updraft tower power plant." Energy & Environment 30, no. 4 (October 10, 2018): 685–706. http://dx.doi.org/10.1177/0958305x18802908.

Full text
APA, Harvard, Vancouver, ISO, and other styles
Abstract:
Today, solar radiation is known as an important renewable energy which can be exploited in several ways such as solar updraft tower power plants, photovoltaic power plants, etc. In a solar updraft tower power plant, sunshine heats the air beneath a wide collector surrounding a tall tower and causes a hot air updraft in the tower by the chimney effect. This airflow drives wind turbines, placed almost in the chimney base, to produce electricity. In this study, the effect of the geometric form of the chimney on the performance of one solar updraft tower power plant is numerically investigated. Regarding the importance of the kinetic power of the hot air on power generation, it is intended to increase the air velocity by varying the forms of the chimney without changing the main dimensions of solar updraft tower power plant such as tower height and collector geometries. This approach may decrease the financial costs of the solar updraft tower power plant. For the numerical simulations, a finite volume computational fluid dynamics code solves the governing equations on an axisymmetric pi-shape domain (15° of whole geometry). To validate the results, the Manzanares solar updraft tower power plant experimental data are utilized. In this study, 15 forms of chimney based on a logical three-step procedure (from a basic cylindrical to a parabolic form) are examined. So, an appropriate/final form with a parabolic curve of chimney wall with divergence angle is obtained. Results indicate that the final form has the highest updraft air velocity. In fact, the average updraft air velocity increases from 15.66 m/s for the basic form to the value of 23.36 m/s (around 49.17% increments) for the final form.
15

Rugescu, Radu D., Alina Bogoi, and Radu Cirligeanu. "Intricacy of the Transit Manifold Concept Paid-off by Computational Accuracy." Applied Mechanics and Materials 325-326 (June 2013): 142–47. http://dx.doi.org/10.4028/www.scientific.net/amm.325-326.142.

Full text
APA, Harvard, Vancouver, ISO, and other styles
Abstract:
Despite its intricacy the numerical method applied within the TRANSIT code proved successful in describing discontinuous, non-isentropic flows in rocket engines and solar-gravitational towers for green energy. A number of 0-D approaches are known to render some results in demonstrating the feasibility of the solar tower concept, or in unsteady simulation of transient phases in rocket engines. Computational efficiency is demonstrated by CFD simulation of the starting transients in ADDA solid rocket engines and in the SEATTLER solar mirror tower. The code is exclusively directed to unsteady flow simulations in slender channels. The wave front model scheme covers the dual behavior of fully non-isentropic flow with mass addition and mixing in the thrust chamber or blunt heat addition in a heater and fully isentropic through the exhaust nozzle or gravity draught in a tall tower. Along the tower of the solar-gravity draught power plants small perturbation discontinuous flows are covered. Code robustness is demonstrated during runs on the PC.
16

Ghirardi, Elisa, Giovanni Brumana, and Giuseppe Franchini. "Optimization and performance assessment of Solar Towers." E3S Web of Conferences 197 (2020): 08017. http://dx.doi.org/10.1051/e3sconf/202019708017.

Full text
APA, Harvard, Vancouver, ISO, and other styles
Abstract:
The present paper investigates possible strategies to improve the competitiveness of Solar Towers, considered the best option over CSP technologies. Nevertheless, many aspects still penalize the tower systems, mainly the higher installation costs and the lower energy density. The optimal design of the heliostat layout and the selection of the optimal tower height are fundamental to improve the performance of CRS. A new model for optimizing and simulating solar tower plants, based on an in-house Matlab® code, has been developed and validated. A technical and an economic optimization procedure allows to select the plant configuration with the maximum efficiency or the minimum LCOE, respectively. The case study is focused on a solar field of 6000 heliostats, corresponding to a nominal power of 100 MWe. The tower height shows a strong influence on the heliostat layout and solar field performance; however, the annual energy yield shows a nearly asymptotic behavior when the tower height is increased. An economic optimization leads to a less dense layout to limit the tower impact on the cost; a penalty in efficiency of around 6% can reduce the LCOE of more than 5%. The minimization of land utilization, saving 24% of the occupied area, has a penalization of about 8% in terms of LCOE.
17

Forsberg, Charles W., Per F. Peterson, and Haihua Zhao. "High-Temperature Liquid-Fluoride-Salt Closed-Brayton-Cycle Solar Power Towers." Journal of Solar Energy Engineering 129, no. 2 (July 8, 2006): 141–46. http://dx.doi.org/10.1115/1.2710245.

Full text
APA, Harvard, Vancouver, ISO, and other styles
Abstract:
Liquid-fluoride-salt heat transfer fluids are proposed to raise the heat-to-electricity efficiencies of solar power towers to about 50%. The liquid salt would deliver heat from the solar furnace at temperatures between 700°C and 850°C to a closed multireheat Brayton power cycle using nitrogen or helium as the working fluid. During the daytime, hot salt may also be used to heat graphite, which would then be used as a heat storage medium to make night-time operations possible. Graphite is a low-cost high-heat-capacity solid that is chemically compatible with liquid fluoride salts at high temperatures. About half the cost of a solar power tower is associated with the mirrors that focus light on the receiver, and less than one-third is associated with the power cycle and heat storage. Consequently, increasing the efficiency by 20–30% has the potential for major reductions in the cost of electricity. Peak temperatures and efficiencies of current designs of power towers are restricted by (1) the use of liquid nitrate salts that decompose at high temperatures and (2) steam cycles in which corrosion limits peak temperature. The liquid-fluoride-salt technology and closed Brayton power cycles are being developed for high-temperature nuclear reactors. These developments may provide the technology and industrial basis for an advanced solar power tower.
18

Watanabe, Koichi, Sho Fukutomi, Yuji Ohya, and Takanori Uchida. "An Ignored Wind Generates More Electricity: A Solar Updraft Tower to a Wind Solar Tower." International Journal of Photoenergy 2020 (March 11, 2020): 1–9. http://dx.doi.org/10.1155/2020/4065359.

Full text
APA, Harvard, Vancouver, ISO, and other styles
Abstract:
A solar updraft tower is one of the wind power generation plants which utilizes solar energy. The purpose of this study was to ascertain whether the tower was also able to utilize crosswind energy. Wind tunnel experiments and numerical simulations were conducted simulating the crosswind. The results showed that suctioned updraft speed in the tower was proportional to the crosswind speed, and its conversion rate depended on the tower configuration. A diffuser-shaped tower with a vortex generator achieved to produce the updraft whose speed exceeded the crosswind speed. It was due to the low pressure created by the vortex atop the tower and to the diffuser effect. The crosswind utilization enables the simple power generation device to generate electricity during the night, and the hybrid utilization of renewable energies contributes to the increasing wind energy market.
19

Murat Cekirge, Huseyin, Serdar Eser Erturan, and Richard Stanley Thorsen. "CSP (Concentrated Solar Power) - Tower Solar Thermal Desalination Plant." American Journal of Modern Energy 6, no. 2 (2020): 51. http://dx.doi.org/10.11648/j.ajme.20200602.11.

Full text
APA, Harvard, Vancouver, ISO, and other styles
20

Boretti, Alberto, Jamal Nayfeh, and Wael Al-Kouz. "Validation of SAM Modeling of Concentrated Solar Power Plants." Energies 13, no. 8 (April 15, 2020): 1949. http://dx.doi.org/10.3390/en13081949.

Full text
APA, Harvard, Vancouver, ISO, and other styles
Abstract:
The paper proposes the validation of the latest System Advisor Model (SAM) vs. the experimental data for concentrated solar power energy facilities. Both parabolic trough, and solar tower, are considered, with and without thermal energy storage. The 250 MW parabolic trough facilities of Genesis, Mojave, and Solana, and the 110 MW solar tower facility of Crescent Dunes, all in the United States South-West, are modeled. The computed monthly average capacity factors for the average weather year are compared with the experimental data measured since the start of the operation of the facilities. While much higher sampling frequencies are needed for proper validation, as monthly averaging dramatically filters out differences between experiments and simulations, computational results are relatively close to measured values for the parabolic trough, and very far from for solar tower systems. The thermal energy storage is also introducing additional inaccuracies. It is concluded that the code needs further development, especially for the solar field and receiver of the solar tower modules, and the thermal energy storage. Validation of models and sub-models vs. high-frequency data collected on existing facilities, for both energy production, power plant parameters, and weather conditions, is a necessary step before using the code for designing novel facilities.
21

Chen, Rende, Xiaozhou Zhou, and Hongwei Song. "Comprehensive Optimization of Optical Efficiency and Thermal Power Output in Tower Solar Thermal Power Stations." Highlights in Science, Engineering and Technology 101 (May 20, 2024): 233–42. http://dx.doi.org/10.54097/k0wg9c75.

Full text
APA, Harvard, Vancouver, ISO, and other styles
Abstract:
Recent years have seen a rise in interest in renewable energy sources, particularly efficient, sustainable, and ecologically friendly solar thermal power generation, due to rising worldwide energy demand and environmental consciousness. The effectiveness of a tower-type photovoltaic power-generating system, which uses concentrated solar radiation to create electricity, is greatly dependent on the design and functionality of its heliostat mirrors. This work develops a single-objective optimization model to optimize the yearly average thermal power production per unit mirror area based on a fixed-sun mirror field model of a tower-type solar thermal power plant. This study uses the approximate formulas for the solar declination angle and solar time angle proposed by Cooper to determine the sun's position at that time. The HFLCAL model has been developed to establish an optical efficiency model for the heliostat field, utilizing the Campo arrangement method to produce a densely packed heliostat field. Finally, a genetic algorithm is employed to determine the optimal unit of mirror surface area, which is calculated to be 0.9575MW. The absorption tower is located at (0,-87.5656). The heliostat measures 4.7825m×4.3666m (width×height), with an installation height of 3.1332m, and there are a total of 3010 heliostats.
22

Wataka, Masaki, Yuji Ohya, Takashi Karasudani, and Takenori Uchida. "ICOPE-15-1112 Improvement of Power Generation of the Wind Solar Tower." Proceedings of the International Conference on Power Engineering (ICOPE) 2015.12 (2015): _ICOPE—15——_ICOPE—15—. http://dx.doi.org/10.1299/jsmeicope.2015.12._icope-15-_76.

Full text
APA, Harvard, Vancouver, ISO, and other styles
23

Ramos, A., and F. Ramos. "Strategies in tower solar power plant optimization." Solar Energy 86, no. 9 (September 2012): 2536–48. http://dx.doi.org/10.1016/j.solener.2012.05.024.

Full text
APA, Harvard, Vancouver, ISO, and other styles
24

Eddhibi, F., M. Ben Amara, M. Balghouthi, and A. Guizani. "Optical study of solar tower power plants." Journal of Physics: Conference Series 596 (April 8, 2015): 012018. http://dx.doi.org/10.1088/1742-6596/596/1/012018.

Full text
APA, Harvard, Vancouver, ISO, and other styles
25

Yu, Che Zhe, and Wen Yu. "An Overview of Solar Power Generation." Applied Mechanics and Materials 448-453 (October 2013): 1551–54. http://dx.doi.org/10.4028/www.scientific.net/amm.448-453.1551.

Full text
APA, Harvard, Vancouver, ISO, and other styles
Abstract:
This paper mainly summarizes four kinds of solar power generation. They are solar roof, photovoltaic power station in space, solar power tower and solar hot air power generation technology. And the paper also contrasts these four kind solar power generation from the viewpoints of technology, power generation efficiency and cost, which provides references for solar power design.
26

Negi, Ipsita, and Kirti Pal. "Effect of Tower Height and Collector Radius on Performance of Solar Updraft Tower Power Plant." International Journal of Social Ecology and Sustainable Development 13, no. 1 (January 2022): 1–17. http://dx.doi.org/10.4018/ijsesd.290316.

Full text
APA, Harvard, Vancouver, ISO, and other styles
Abstract:
A renewable energy resource like solar energy that is abundant in nature and eco-friendly, is a better alternative for electricity generation. Solar energy is already being used to produce electricity with the help of photo-voltaic panels and among many other technologies solar updraft power plant is a noble promising technology which can be used to supply power to countries with large wastelands or unused desert lands. In this study, the temperature and velocity values that affect the performance of solar tower are analyzed for different chimney height and collector surface areas. The simulation of the Solar Updraft Tower was performed with Energy2D software based on computational physics. It was analyzed that the increase in tower height and collector surface area significantly increased the temperature and velocity values of the air flowing from the collector mouth inlet to the center. As a result, when different solar updraft tower models were compared, the most important factor affecting the performance of the solar chimney was the chimney length and the collector surface area.
27

N. Jawad, Ihsan, Qais A. Rishack, and Hussien S. Sultan. "Matlab graphical user interface (GUI) code for solar tower power plant performance calculations." Basrah journal of engineering science 21, no. 1 (February 1, 2021): 8–14. http://dx.doi.org/10.33971/bjes.21.1.2.

Full text
APA, Harvard, Vancouver, ISO, and other styles
Abstract:
In the present research, a Matlab program with a graphical user interface (GUI) has been established for studying the performance of a solar tower power plant (STPP). The program gives the ability for predicting the performance of STPP for different tower dimensions, ambient operating conditions and locations. The program is based on the solution of a mathematical model derived from the heat and mass balance for the tower components. The GUI program inputs are; tower dimensions, solar radiation, ambient temperature, pressure, wind velocity, turbine efficiency, emissivity and absorptivity for collector and ground and thermal conductivity and thickness for ground. However, the GUI program outputs are; temperature and pressure differences across the collector and tower, velocity in the tower, density of air in collector outlet, mass flowrate of air, efficiency for collector and tower, the overall efficiency and output power of STPP. The effect of the geometrical dimensions of STPP and some climatic variables on the plant performance was also studied. The results show that the output power increases with increasing the collector diameter, chimney diameter and solar radiation by an increasing of 0.282 kW/m, 0.204 kW/m and 0.046 kW/(W/m2) respectively.
28

Hannun, Rafid M. Hannun, Mohammed H. Khalaf Khalaf, and Amel Hashim Husain Husain. "Solar Chimney and Power Tower Techniques for Power Production in Nasiriya City." Journal of Petroleum Research and Studies 8, no. 1 (May 6, 2021): 77–92. http://dx.doi.org/10.52716/jprs.v8i1.219.

Full text
APA, Harvard, Vancouver, ISO, and other styles
Abstract:
The solar chimney and power tower are two of modern promised energy which can develop bylow losses, simplicity and high power.In this paper, the solar chimney and fossil fuel power tower parameters are studied by usingtheoretical equations in computational fluid dynamics CFD that substituted in some computerprograms such as MATLAP and FLUENT codes with additional related expressions. Fivedifferent models are used in this paper (Chimney height is: 12, 15, 20, 25, and 35 meter),(Diameter of collector base is: 5, 8, 10, 15, and 20 meter). The effect of inlet collector height,collector absorbability, solar radiation, ambient temperature, solar collector thickness and solarcollector tilt angle are studied to find the other parameters and properties such as velocitydistribution, power and efficiency of system. The erecting of power turbine is predicted byfindings the velocity distribution between the base and chimney assembly. The numericalanalysis was presented by using GAMBIT and FLUENT 6.3 to predict that high velocity at theexpansion of chimney near the center of base – chimney bond position because of low density ofair as a result to solar radiation flux (and burned gases cover collector in case of using thechimney for combustion of gases in oil refineries).. This position is very suitable for promotingand building the power turbine. The maximum power accumulated from these techniques is morethan (6.7×105 Watt) where the velocity is (17.5 m/s). The study concluded that it is easy work toerect these chimney and power tower techniques closed to drilling and oil facilities in remoteareas. So, all factors were studied to coincide with previous papers in this field.
29

Hussaini, Zaharaddeen Ali, Peter King, and Chris Sansom. "Numerical Simulation and Design of Multi-Tower Concentrated Solar Power Fields." Sustainability 12, no. 6 (March 19, 2020): 2402. http://dx.doi.org/10.3390/su12062402.

Full text
APA, Harvard, Vancouver, ISO, and other styles
Abstract:
In power tower systems, the heliostat field is one of the essential subsystems in the plant due to its significant contribution to the plant’s overall power losses and total plant investment cost. The design and optimization of the heliostat field is hence an active area of research, with new field improvement processes and configurations being actively investigated. In this paper, a different configuration of a multi-tower field is explored. This involves adding an auxiliary tower to the field of a conventional power tower Concentrated Solar Power (CSP) system. The choice of the position of the auxiliary tower was based on the region in the field which has the least effective reflecting heliostats. The multi-tower configuration was initially applied to a 50 MWth conventional field in the case study region of Nigeria. The results from an optimized field show a marked increase in the annual thermal energy output and mean annual efficiency of the field. The biggest improvement in the optical efficiency loss factors be seen from the cosine, which records an improvement of 6.63%. Due to the size of the field, a minimal increment of 3020 MWht in the Levelized Cost of Heat (LCOH) was, however, recorded. In much larger fields, though, a higher number of weaker heliostats were witnessed in the field. The auxiliary tower in the field provides an alternate aim point for the weaker heliostat, thereby considerably cutting down on some optical losses, which in turn gives rise to higher energy output. At 400 MWth, the multi-tower field configuration provides a lower LCOH than the single conventional power tower field.
30

Solihin, Zainoor Hailmee, and Wirachman Wisnoe. "Experimental Field Study of Green Tower Setup." Advanced Materials Research 1113 (July 2015): 782–88. http://dx.doi.org/10.4028/www.scientific.net/amr.1113.782.

Full text
APA, Harvard, Vancouver, ISO, and other styles
Abstract:
A Green Tower for setup a pilot experiment consists of the solar collector and the tower was built. The temperature distribution of the Green Tower was measured and analyzed. The data of the highest experimental temperature inside the Green Tower collector’s reached was 52oC at 1300 hours at solar irradiation received of 623W/m2 respectively, with the ambient temperature at 31 oC. The Green Tower that used solar thermal power and utilizing a combination of solar air collector using the principal of solar oven and central updraft tube to generate a solar induced convective flow, which drives pressure to develop artificial wind. This paper presents the experimental field study and practical experience of the Green Tower. The discussion on temperature distribution and also updraft wind of the Green Tower is described and then the results from the designing, building and experimental are presented. The results and suggestions for the future reference will also be discussed.
31

Singh, Varun Pratap, and Gaurav Dwivedi. "Technical Analysis of a Large-Scale Solar Updraft Tower Power Plant." Energies 16, no. 1 (January 2, 2023): 494. http://dx.doi.org/10.3390/en16010494.

Full text
APA, Harvard, Vancouver, ISO, and other styles
Abstract:
This study investigates the possibility of applying a large-scale solar updraft tower power plant in India with local ground conditions as an environmentally friendly and economically viable energy source. A reference model Solar Updraft Tower Power Plant (SUTPP) is constructed to examine the influence of the most prominent plant dimensional parameters, including collector radius (RCollector), tower height (HTower), and tower radius (RTower) with dimensional limits and intervals on the power output of the SUTPP. Udat, Rajasthan, India, is used as a reference location for meteorological conditions to evaluate SUTPP power output equations for a ranging power output, with position coordinates of 27°35′ and 72°43′. Multiple simulations for the objective function are carried out, and the outcomes are compared to the optimized dimensions of each set of plants. The model examines the effect of variation in ambient, plant geometry, and material conditions on power output and analyzes efficiency and power output for optimizing configuration. There exists no definitive approach to determining the proper correlation between the geometrical parameters of a SUTPP with optimized power output. For a fixed power output, the tower radius (RTower) serves as the most influencing dimensional parameter in SUTPP performance. A change in tower height (HTower) has a detrimental impact on SUTPP output and performance. An initial increase in collector radius (RCollector) has a positive influence on SUTPP performance; however, this effect reduces as collector radius (RCollector) increases.
32

Abu-Hamdeh, Nidal H., and Khaled A. Alnefaie. "Construction and Building of an Experimental Prototype of Solar Power Tower Plant." Applied Mechanics and Materials 826 (February 2016): 50–54. http://dx.doi.org/10.4028/www.scientific.net/amm.826.50.

Full text
APA, Harvard, Vancouver, ISO, and other styles
Abstract:
In this paper it is aimed to present the detailed design procedure of the first solar power system in Jeddah. A prototype of solar power tower system was built at King Abdulaziz University in Jeddah, Saudi Arabia where direct irradiation is very high. Heliostats were used to track the incident sun rays and focus the energy flow towards a solar receiver. The system consists of 10 heliostats directing incident solar rays to a tower of height about 7 meters. Two motors were used to control the heliostat rotational and elevation movements. A solar receiver made of alloy steel is installed at the top of the tower to collect solar energy reflected from the heliostats. A molten salt fluid consists of sodium and potassium nitrates (60/40) re-circulated in the receiver transfers the collected heat in the receiver to a storage tank. A cylindrical vessel with height of 1 m and diameter of 1.5 m was adopted for each of the cold and hot tanks. The design thermal power was 13 kW. The percentage error in the thermal power obtained is about 5.3%.
33

Hu, Yong Sheng, Qin Yan, and Yong Ping Yang. "Economic Analysis of Solar Trough, Tower and Dish Power Plants." Advanced Materials Research 805-806 (September 2013): 12–16. http://dx.doi.org/10.4028/www.scientific.net/amr.805-806.12.

Full text
APA, Harvard, Vancouver, ISO, and other styles
Abstract:
Solar thermal power system can be classified to three typical kinds, parabolic trough, tower and dish system. Trough and tower systems have been commercial operated in last few years. Solar dish power plant is also in demonstrational phase. But how to choose a fit technology road is also a different challenge. In the paper, three solar thermal power plants are analyzed, located in same location in Gansu province. Three power plants electricity loads and total investments in same capacity and collector area are calculated to analyze the economic characters by Levelised Electricity Cost (LEC) method. Finally, three power plants LEC distributions are also analyzed in the conditions of different loan interests and life span. The results indicate that the minimum LEC is tower in current market conditions. The research results can be used to support technology choice, and design optimization in specific climate condition.
34

Marzouk, Osama A. "Energy Generation Intensity (EGI) of Solar Updraft Tower (SUT) Power Plants Relative to CSP Plants and PV Power Plants Using the New Energy Simulator “Aladdin”." Energies 17, no. 2 (January 13, 2024): 405. http://dx.doi.org/10.3390/en17020405.

Full text
APA, Harvard, Vancouver, ISO, and other styles
Abstract:
The current investigation provides information about solar updraft tower power plants, SUTPPs (also called solar chimney power plants, SCPPs), which form a unique method of solar-powered electricity production through a ducted wind turbine driven by induced airflow as a result of solar heating. The investigation is conducted using numerical modeling via the system-level simulation tool Aladdin (developed and released freely by the Institute for Future Intelligence, IFI) for solar energy systems, wind energy systems, or the built environment. The Aladdin energy simulator is first evaluated here by comparison with published experimental and numerical results corresponding to the historical 50 kW prototype SUTPP that was successfully tested in Manzanares (Spain) between 1982 and 1989. This prototype has a height of about 195 m for the chimney (the updraft tower) and a radius of about 122 m for the solar heat absorber (the solar air collector or the greenhouse). Next, various climate and performance characteristics are investigated and contrasted for nine different locations around the world with a similar latitude of 24°, which is within the sunbelt, assuming that the same Manzanares SUTPP prototype geometry is employed in these locations. These nine locations are Muscat (Oman), Al Jawf (Libya), Riyadh (Saudi Arabia), Karachi (Pakistan), Ahmedabad (India), Havana (Cuba), Culiacán (Mexico), Dhaka (Bangladesh), and Baise (China). The energy generation intensity (EGI) for the Manzanares-type solar updraft tower power plant in these nine examined locations was between 0.93 kWh/m2 per year (in Baise) and 2.28 kWh/m2 per year (in Muscat). Also, Muscat had the smallest seasonality index (maximum-to-minimum monthly electric output) of 1.90, while Baise had the largest seasonality index of 4.48. It was found that the main limitation of the overall SUTPP energy conversion efficiency is the chimney efficiency (the process of accelerating the air after entering the chimney). This study concludes that solar updraft towers (SUTs) cannot compete with existing mature and modular renewable energy alternatives, particularly photovoltaic (PV) panels, if the aimed use is commercial utility-scale electricity generation. Instead, SUTs may become attractive and achievable if viewed as hybrid-use projects by serving primarily as a large-scale greenhouse area for agricultural applications while secondarily allowing energy harvesting by generating clean (emissions-free) electricity from the incoming solar radiation heat.
35

Boretti, Albert, Stefania Castelletto, and Sarim Al-Zubaidy. "Concentrating solar power tower technology: present status and outlook." Nonlinear Engineering 8, no. 1 (January 28, 2019): 10–31. http://dx.doi.org/10.1515/nleng-2017-0171.

Full text
APA, Harvard, Vancouver, ISO, and other styles
Abstract:
Abstract The paper examines design and operating data of current concentrated solar power (CSP) solar tower (ST) plants. The study includes CSP with or without boost by combustion of natural gas (NG), and with or without thermal energy storage (TES). Latest, actual specific costs per installed capacity are high, 6,085 $/kW for Ivanpah Solar Electric Generating System (ISEGS) with no TES, and 9,227 $/kW for Crescent Dunes with TES. Actual production of electricity is low and less than the expected. Actual capacity factors are 22% for ISEGS, despite combustion of a significant amount of NG exceeding the planned values, and 13% for Crescent Dunes. The design values were 33% and 52%. The study then reviews the proposed technology updates to improve ratio of solar field power to electric power, capacity factor, matching of production and demand, plant’s cost, reliability and life span of plant’s components. Key areas of progress are found in materials and manufacturing processes, design of solar field and receiver, receiver and power block fluids, power cycle parameters, optimal management of daily and seasonal operation of the plant, new TES concepts, integration of solar plant with thermal desalination or combined cycle gas turbine (CCGT) installations and specialization of project.
36

Wang, Kehong, Daiqing Zhao, Lin Lin, and Wei Wang. "Analysis and evaluation of thermal efficiency and environmental impact of the trough and tower solar thermal power generation." Thermal Science and Engineering 3, no. 2 (December 8, 2020): 46. http://dx.doi.org/10.24294/tse.v3i2.1504.

Full text
APA, Harvard, Vancouver, ISO, and other styles
Abstract:
Two kinds of solar thermal power generation systems (trough and tower) are selected as the research objects. The life cycle assessment (LCA) method is used to make a systematic and comprehensive environmental impact assessment on the trough and tower solar thermal power generation. This paper mainly analyzes the three stages of materials, production and transportation of two kinds of solar thermal power generation, calculates the unit energy consumption and environmental impact of the three stages respectively, and compares the analysis results of the two systems. At the same time, Rankine cycle is used to compare the thermal efficiency of the two systems.
37

Francke, Wolfgang, Renaud de Richter, Oswald Petersen, and Janning Petersen. "A Realistic Growth Path for Solar Wind Power." Applied Mechanics and Materials 283 (January 2013): 57–64. http://dx.doi.org/10.4028/www.scientific.net/amm.283.57.

Full text
APA, Harvard, Vancouver, ISO, and other styles
Abstract:
Until today, the biggest solar updraft tower power plant ever built and tested was the 50 kW Spain plant in Manzanares. Since then no real plant has been built, whilst many grand plans have been drawn and given up. Solar Wind Power (SWP) is an energy form in search of its destiny: it is time to find a real market for SWP. This market is currently forming and we call it ‘evening power’. SWP transforms sunlight into heat, heat into hot artificial wind, and this wind into electricity. The three steps of transformation allow SWP to delay the generation of electricity from the daily peak of solar radiation into the evening. In the evening, the greater power demand cannot be met with other renewable CO2-free energies like wind and photovoltaic. SWP has been tested once, thirty years ago - it is time for a second trial: the Intermediate Solar Wind Power Plant (ISWiPP). The goal is to develop, test and measure SWP’s potential for heat-storage and evening power output. The technology for constructing a light steel-tower with a concrete base will be tested under real-life conditions and technologies for heat storage will be developed. The ISWiPP will enable investors to prepare for large SWiPP with hybrid (concrete and steel) towers of 1000 m height or more. This development growth path is realistic and adequate to overcome the current impasse. Like all CO2-free energy forms SWP depends very much on the location chosen. Locations with strong winds, or sand- and dust-storms, are inadequate for SWP. A good location for a SWiPP is a hot, flat and rocky desert, not too far from a city with a demand for evening power.
38

Fairley, Peter. "Molten salt tower reboots solar thermal power [News]." IEEE Spectrum 52, no. 11 (2015): 11–12. http://dx.doi.org/10.1109/mspec.2015.7335884.

Full text
APA, Harvard, Vancouver, ISO, and other styles
39

Wagner, Michael J., William T. Hamilton, Alexandra Newman, Jolyon Dent, Charles Diep, and Robert Braun. "Optimizing dispatch for a concentrated solar power tower." Solar Energy 174 (November 2018): 1198–211. http://dx.doi.org/10.1016/j.solener.2018.06.093.

Full text
APA, Harvard, Vancouver, ISO, and other styles
40

Carrizosa, E., C. Domínguez-Bravo, E. Fernández-Cara, and M. Quero. "Optimization of multiple receivers solar power tower systems." Energy 90 (October 2015): 2085–93. http://dx.doi.org/10.1016/j.energy.2015.08.005.

Full text
APA, Harvard, Vancouver, ISO, and other styles
41

Spelling, J., B. Laumert, and T. Fransson. "Advanced Hybrid Solar Tower Combined-cycle Power Plants." Energy Procedia 49 (2014): 1207–17. http://dx.doi.org/10.1016/j.egypro.2014.03.130.

Full text
APA, Harvard, Vancouver, ISO, and other styles
42

高, 晓鹏. "Research Progress of Tower Solar Thermal Power Station." Sustainable Development 09, no. 04 (2019): 589–95. http://dx.doi.org/10.12677/sd.2019.94094.

Full text
APA, Harvard, Vancouver, ISO, and other styles
43

Zhou, Xinping, Shuo Yuan, and Marco Aurélio dos Santos Bernardes. "Sloped-collector solar updraft tower power plant performance." International Journal of Heat and Mass Transfer 66 (November 2013): 798–807. http://dx.doi.org/10.1016/j.ijheatmasstransfer.2013.07.060.

Full text
APA, Harvard, Vancouver, ISO, and other styles
44

Boukelia, T. E., O. Arslan, and A. Bouraoui. "Thermodynamic performance assessment of a new solar tower-geothermal combined power plant compared to the conventional solar tower power plant." Energy 232 (October 2021): 121109. http://dx.doi.org/10.1016/j.energy.2021.121109.

Full text
APA, Harvard, Vancouver, ISO, and other styles
45

Tian, Tian, and Shiwu Xiao. "Electrochemical Anti-corrosion System of Iron Tower Based on Solar Power Supply." MATEC Web of Conferences 160 (2018): 03006. http://dx.doi.org/10.1051/matecconf/201816003006.

Full text
APA, Harvard, Vancouver, ISO, and other styles
Abstract:
Aiming at the serious problem of the corrosion of the transmission tower in the coastal area or in the harsh industrial area, a kind of electro-chemical anti-corrosion system based on solar power is designed. The system consists of a solar power module and an electrochemical anti-corrosion module: The solar power module consists of a solar panel, a photovoltaic controller, a accumulator and a constant potentiometer. The Electrochemical anti-corrosion modules include an anode block and an anode bed and reference electrode. The photovoltaic energy technology and forced current cathodic protection technology are used in the system, to achieve the effective protection of the tower anti-corrosion. Solar power supply to the nearest, solve the long-distance transmission loss and the high installation costs, form a simple structure, stable operation, low cost, clean and environmental protection, long service life of anti-corrosion system, with good economic efficiency and social benefits. It is of great significance to ensure the safe operation of the tower, maintain the normal operation of the power grid, and even promotes the optimization and upgrading of the industrial structure, save energy and reduces emissions, improve the safe and stable operation of the power system and the economic benefits, etc.
46

Behar, Omar, Daniel Sbarbaro, and Luis Morán. "A Practical Methodology for the Design and Cost Estimation of Solar Tower Power Plants." Sustainability 12, no. 20 (October 20, 2020): 8708. http://dx.doi.org/10.3390/su12208708.

Full text
APA, Harvard, Vancouver, ISO, and other styles
Abstract:
Concerns over the environmental influence of greenhouse gas (GHG) emissions have encouraged researchers to develop alternative power technologies. Among the most promising, environmentally friendly power technologies for large-scale applications are solar power tower plants. The implementation of this technology calls for practical modeling and simulation tools to both size the plant and investigate the scale effect on its economic indices. This paper proposes a methodology to design the main components of solar power tower plants and to estimate the specific investment costs and the economic indices. The design approach used in this study was successfully validated through a comparison with the design data of two operational commercial power tower plants; namely, Gemasolar (medium-scale plant of 19.9 MWe) and Crescent Dunes (large-scale plant of 110 MWe). The average uncertainty in the design of a fully operational power tower plant is 8.75%. A cost estimation showed the strong influence of the size of the plant on the investment costs, as well as on the economic indices, including payback period, internal rate of return, total life charge costs, and levelized cost of electricity. As an illustrative example, the methodology was applied to design six solar power tower plants in the range of 10–100 MWe for integration into mining processes in Chile. The results show that the levelized cost of electricity decreases from 156 USD/MWhe for the case of a 10-MWe plant to 131 USD/MWhe for the case of a 100-MWe plant. The internal rate of return of plants included in the analyses ranges from 0.77% (for the 10-MWe case) to 2.37% (for 100-MWe case). Consequently, the simple payback ranges from 16 years (for the 100-MWe case) to 19 years (for the 10-MWe case). The sensitivity analysis shows that the size of the solar receiver heavily depends on the allowable heat flux. The degradation rate and the discount rate have a strong influence on economic indices. In addition, both the operation and the deprecation period, as well as the price of electricity, have a crucial impact on the viability of a solar power tower plant. The proposed methodology has great potential to provide key information for prospective analyses for the implementation of power tower technologies to satisfy clean energy needs under a wide range of conditions.
47

Gamil, Ahmed, Syed Ihtsham Ul Haq Gilani, and Hussain Hamoud Al-Kayiem. "Design and Simulation of Small Heliostat Field at Universiti Teknologi PETRONAS Campus." Applied Mechanics and Materials 699 (November 2014): 613–18. http://dx.doi.org/10.4028/www.scientific.net/amm.699.613.

Full text
APA, Harvard, Vancouver, ISO, and other styles
Abstract:
Solar Power Tower systems have attracted the worldwide interest since the early 1980s and heliostat fields have been an area for development due to their high cost and important function. This paper presents a mathematical model to design a small heliostat field with 3 dual-axis heliostat units located in Universiti Teknologi PETRONAS, Malaysia. The model mainly relies on the sun position and tower and heliostat geometrical relations, namely, tower height and the ground distance of the concerned heliostats. The heliostat field layout is configured according to radial staggered pattern then varying the tower height and heliostat ground distance to calculate the facing and target angle of each heliostat. TRNSYS software was used to simulate the power output for the proposed heliostat field. The modeled heliostat field could deliver 10 kW for 12.4 m2reflective area for latitude 4.3̊ N. A solar power tower testing facility will be built according to the design specifications produced in this paper and TRNSYS simulation results are required to estimate the power input to the receiver system for sizing purpose in the future.
48

Penjiyev, A. M. "Solar power plant based on a tower-type layout." Physics & Astronomy International Journal 7, no. 4 (October 6, 2023): 209–11. http://dx.doi.org/10.15406/paij.2023.07.00311.

Full text
APA, Harvard, Vancouver, ISO, and other styles
Abstract:
I suggest the following abstract: In Turkmenistan, the solar energy is a priority among all renewable sources since the duration of sunny days in the country is from 270 to 320 days a year. The article considers the possibilities of creating a solar power plant based on a tower-type layout. The modes of the optical system in the natural and climatic conditions of Turkmenistan are calculated using a mathematical model, the coefficient of efficiency of using the mirror surface of the installation and the distribution of the level of instantaneous local values are determined. The results of the study show that the maximum increase in the energy efficiency coefficient can be achieved with the location of solar panels perpendicular to solar radiation with the dense placement of heliostats on the north side of the tower, then energy efficiency will increase by 25-40% in summer and 10-15% in winter.
49

Buck, Reiner, Thomas Bra¨uning, Thorsten Denk, Markus Pfa¨nder, Peter Schwarzbo¨zl, and Felix Tellez. "Solar-Hybrid Gas Turbine-based Power Tower Systems (REFOS)*." Journal of Solar Energy Engineering 124, no. 1 (October 1, 2001): 2–9. http://dx.doi.org/10.1115/1.1445444.

Full text
APA, Harvard, Vancouver, ISO, and other styles
Abstract:
Solar hybrid power plants have a significant potential for cost reduction when the solar energy is introduced into a gas turbine system. The introduction into gas turbine systems could be realized with pressurized volumetric air receivers heating the compressed air of the gas turbine before it enters the combustor. A receiver module, consisting of a secondary concentrator and a volumetric receiver unit, was tested at the Plataforma Solar de Almerı´a, Spain. Air exit temperatures up to 815°C and power levels of 410 kW were achieved. Total solar test time summed up to 400 hours. Receiver efficiencies were in the range of 70%. A new secondary concentrator with improved efficiency was designed and built. Based on an inexpensive manufacturing technology, the secondary concentrator geometry was optimized to reduce the optical losses. Performance tests with this new secondary concentrator and a cold-water calorimeter proved the expected increase in efficiency of about 10%. Maximum operation power was 450 kW at the exit aperture. The dependency of performance on the incidence-angle showed good agreement with the predictions, as well as the results of a special photographic measurement campaign. Several configurations of solar-hybrid gas turbine cycles in the low to medium power range are examined for performance and costs. The results confirm the promising potential of this technology to reach competitiveness in certain power markets; a comparison between a 30 MW solar-hybrid combined cycle plant and an ISCCS power plant are presented. Future developments for system improvement and cost reduction are discussed.
50

Derbal, Dhikra, Abdallah Abderrezak, Seif Eddine Chehaidia, Majdi T. Amin, Mohamed I. Mosaad, and Tarek A. Abdul-Fattah. "Parametric Study and Optimization of No-Blocking Heliostat Field Layout." Energies 16, no. 13 (June 26, 2023): 4943. http://dx.doi.org/10.3390/en16134943.

Full text
APA, Harvard, Vancouver, ISO, and other styles
Abstract:
Generating electric power using solar thermal systems is effective, particularly for countries with high solar potential. In order to decide on a relevant location to implement the solar tower plant and develop the mathematical model of a no-blocking heliostat field, a meteorological assessment was discussed in this paper. In addition, a parametric study was examined to evaluate the effect of the designed parameters (heliostat size, heliostat height from the ground, tower height, receiver aperture, and the minimum radius) on the solar field’s performance. The preliminary solar field was then compared to the final design using the optimal design parameters. The obtained results showed that “Tamanrasset City” satisfied the necessary conditions for implementing a solar tower plant. According to preliminary solar field generation, no heliostat blocked its neighbor with a blocking efficiency of 100%. An analysis of its performance revealed that the optimized solar field would be capable of producing 15, 6571 MW, operating at an optical efficiency of 76.95%, and the enhancement rate of both efficiency and power output was 8.1%.

To the bibliography