Готові списки джерел за темами / COMPOUND PARABOLIC

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Автор: Grafiati
Опубліковано: 11 вересня 2023

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Статті в журналах з теми "COMPOUND PARABOLIC"

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Lipiński, W., and A. Steinfeld. "Annular Compound Parabolic Concentrator." Journal of Solar Energy Engineering 128, no. 1 (March 8, 2005): 121–24. http://dx.doi.org/10.1115/1.2148970.

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The annular compound parabolic concentrator (CPC) is a body of revolution consisting of two axisymmetric surfaces produced by rotating a classical two-dimensional CPC around an axis parallel to the CPCs axis. Its ability to further concentrate incoming radiation when used in tandem with a primary solar parabolic concentrator is analyzed by the Monte Carlo ray-tracing technique. Potential applications are found in capturing the annular portion of primary concentrated solar radiation and augmenting its power flux intensity.
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2

Ali, Haider, and P. Gandhidasan. "Performance Evaluation of Photovoltaic String with Compound Parabolic Concentrator." Journal of Clean Energy Technologies 3, no. 3 (2015): 170–75. http://dx.doi.org/10.7763/jocet.2015.v3.190.

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3

Khonkar, H. E. I., and A. A. M. Sayigh. "Raytrace for compound parabolic concentrator." Renewable Energy 5, no. 1-4 (August 1994): 376–83. http://dx.doi.org/10.1016/0960-1481(94)90400-6.

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4

Peng, Yanan, Xuedong Liu, Xiaorong Hang, Jing Hou, and Zehui Chang. "Investigation of photothermal performance of compound parabolic concentrator system for soil heating in facility agriculture." Thermal Science, no. 00 (2022): 214. http://dx.doi.org/10.2298/tsci221003214p.

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Aiming at the large carbon emissions of facility agricultural heating in severe cold regions in winter, a Compound Parabolic Concentrator based soil heating system was presented. The system integrated with novel trough Compound Parabolic Concentrator and was used for soil heating in facility agriculture. Following the structure of the Compound Parabolic Concentrator, TracePro software was selected to trace the light in the Compound Parabolic Concentrator. And the variation trend of the light escape rate of the Compound Parabolic Concentrator with the different incident angles was analyzed. Based on the calculation results, the performance of the solar collector system was investigated, and the impact of circulating air velocity on the photothermal performance of the solar collector system was explored. Research results indicate that when the circulating air velocity is 1.4 m/s and the average ambient temperature is about 28.9 ?, the temperature of the system outlet is up to 90.9?C. And the average instantaneous heat collection, maximum photothermal conversion efficiency, and unit area heat collection of the system are 740.6 W, 27.83 % and 0.8 MJm-2, respectively. This research can effectively promote the efficient integration of the solar collector system in facility agriculture.
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5

Al Imam, Md Forhad Ibne, Rafiqul Alam Beg, and Shamimur Rahman. "Thermal Performance Improvement Study of a Solar Collector with Compound Parabolic Concentrator." European Journal of Engineering Research and Science 3, no. 11 (November 30, 2018): 78–82. http://dx.doi.org/10.24018/ejers.2018.3.11.970.

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Heating water with solar energy is easy and effective in both domestic and industrial areas. The initial implementation cost of a solar-water-heating system is high but long term use of it makes it cost effective. For geographical location, Bangladesh is very suitable for using it. In a solar collector system, collector area is an important design factor. To achieve better thermal performance, 0.81m2 solar collector was used in this study. Commonly used flat plate collector takes more space to be installed. In Bangladesh, space on the roofs of houses and industries are limited and so there is a little scope to use flat plate collector system. Compound parabolic collector can solve this problem. Solar collector with compound parabolic collector needs less space than flat plate collector with reflector. When compound parabolic concentrator was attached with the solar collector, thermal performance improves. Compare with other alternatives that improve thermal efficiency, compound parabolic concentrator shows better thermal performance. Compare thermal efficiency of the consecutive three months. In this system, when water flow rate increase, outlet water temperature decrease but thermal efficiency increases. It is also observed that when solar intensity increases, thermal efficiency also increases likewise when solar intensity decreases, thermal efficiency also decreases. In this research, outputs of different similar researches are compared to show the effectiveness of the compound parabolic concentrator based solar collector. The compound parabolic concentrator reflects more solar radiation, eventually directs it to the collector and increased the difference between the inlet and outlet water temperature.
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6

Al Imam, Md Forhad Ibne, Rafiqul Alam Beg, and Shamimur Rahman. "Thermal Performance Improvement Study of a Solar Collector with Compound Parabolic Concentrator." European Journal of Engineering and Technology Research 3, no. 11 (November 30, 2018): 78–82. http://dx.doi.org/10.24018/ejeng.2018.3.11.970.

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Анотація:
Heating water with solar energy is easy and effective in both domestic and industrial areas. The initial implementation cost of a solar-water-heating system is high but long term use of it makes it cost effective. For geographical location, Bangladesh is very suitable for using it. In a solar collector system, collector area is an important design factor. To achieve better thermal performance, 0.81m2 solar collector was used in this study. Commonly used flat plate collector takes more space to be installed. In Bangladesh, space on the roofs of houses and industries are limited and so there is a little scope to use flat plate collector system. Compound parabolic collector can solve this problem. Solar collector with compound parabolic collector needs less space than flat plate collector with reflector. When compound parabolic concentrator was attached with the solar collector, thermal performance improves. Compare with other alternatives that improve thermal efficiency, compound parabolic concentrator shows better thermal performance. Compare thermal efficiency of the consecutive three months. In this system, when water flow rate increase, outlet water temperature decrease but thermal efficiency increases. It is also observed that when solar intensity increases, thermal efficiency also increases likewise when solar intensity decreases, thermal efficiency also decreases. In this research, outputs of different similar researches are compared to show the effectiveness of the compound parabolic concentrator based solar collector. The compound parabolic concentrator reflects more solar radiation, eventually directs it to the collector and increased the difference between the inlet and outlet water temperature.
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7

Eldakamawy, M. H., A. Hanafi, and M. A. Kassem. "Effect of Using Twisted Tape Inserts on Performance of Compound Parabolic Concentrators." Journal of Clean Energy Technologies 4, no. 1 (2015): 8–19. http://dx.doi.org/10.7763/jocet.2016.v4.246.

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8

Ullah, Fahim, Mansoor K. Khattak, and Kang Min. "Experimental investigation of the comparison of compound parabolic concentrator and ordinary heat pipe-type solar concentrator." Energy & Environment 29, no. 5 (February 21, 2018): 770–83. http://dx.doi.org/10.1177/0958305x18759791.

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In this research study, we have compared between the two different concentrators with the flat absorber plate receiver of the compound parabolic concentrator heat pipe solar concentrator and ordinary heat pipe flat plate solar concentrator. For the reproduction of solar radiation in the experiment, iodine tungsten lamp was used. Thermal performance comparison of the two types of solar concentrator under different simulating radiation intensity conditions was carried out with including the fluid temperature, instantaneous efficiency, average efficiency, and average heat loss coefficient. The results of the experiment indicate that the compound parabolic concentrator heat pipe-type solar concentrator not only increased the fluid temperature and instantaneous efficiency but also decreased the average heat loss coefficient as compared with the ordinary heat pipe flat plate solar concentrator. It was noticed from the experimental results that the efficiency of compound parabolic heat pipe solar concentrator was higher than ordinary heat pipe solar concentrator up to 6 and 10°C with the light intensity, that is I = 679 W/m2 and I = 892 W/m2, respectively. From the results, it was concluded that the using of compound parabolic heat pipe solar concentrator increased the thermal performance of solar concentrator.
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Widyolar, Bennett, Lun Jiang, and Roland Winston. "Thermodynamics and the segmented compound parabolic concentrator." Journal of Photonics for Energy 7, no. 2 (April 4, 2017): 028002. http://dx.doi.org/10.1117/1.jpe.7.028002.

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Almonacid, G., and A. Luque. "Truncation effects in bifacial compound parabolic concentrators." Solar Cells 22, no. 1 (September 1987): 47–54. http://dx.doi.org/10.1016/0379-6787(87)90069-x.

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Дисертації з теми "COMPOUND PARABOLIC"

1

Vance, William M. "A Computational Study of a Photovoltaic Compound Parabolic Concentrator." Wright State University / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=wright1429876153.

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Abdullahi, Bala. "Development and optimization of heat pipe based compound parabolic collector." Thesis, University of Birmingham, 2015. http://etheses.bham.ac.uk//id/eprint/6106/.

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Compound Parabolic Collector (CPC) has numerous advantages such as high optical efficiency and wide applications. This thesis describes experimental and theoretical investigations of the effects of solar radiation available, design and orientation on different configurations of low concentration CPCs for Kano, Nigeria. Two solar radiation models were developed for characterizing solar radiation for regions in the northern hemisphere like Kano. Results showed that tilting the collector to the monthly optimum angle gives the maximum radiation obtainable in each month with highest increase of 28.6 and 24.8% in December and January respectively. For seasonal tilt; the best angles were 27.05° (October to March) and 0° (April to September) while for fixed collector, tilting at 12.05° (latitude) provides the highest performance. Using advanced ray tracing technique, detailed investigations of the effects of acceptance angle, receiver radius, truncation, etc. were carried out on the CPC performance. While with the truncation of 70%, results showed that compound parabolic collector can achieve daily average optical efficiencies of 86.2% and 75.4% for acceptance angles of 60° and 40° respectively. The performance of the thermosyphon (receiver) was investigated both experimentally and numerically. Using an in house solar simulator developed in this work, the performance of the developed CPC fitted with thermosyphon was experimentally investigated. Results showed that the CPC can function well with thermosyphon inclination angle up to 40° where it gives efficiency between 76% and 66%. The outcome of this work shows the potential of using this developed system in Kano environment for cooling applications.
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3

Khonkar, Hussam. "A novel design of a compound parabolic concentrator with dual-cavity." Thesis, University of Reading, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.363842.

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Kothdiwala, Ahmed Farouk. "Simulation and optimisation of asymmetric and symmetric compound parabolic concentrating solar collectors." Thesis, University of Ulster, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.243738.

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Naman, Garry Zamani. "Design and development of symmetric reflective compound parabolic concentrator (SRCPC) for power generation." Thesis, Heriot-Watt University, 2016. http://hdl.handle.net/10399/3286.

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This thesis presents a detailed design, simulation, optical performance, construction and experimental validation carried out on a novel non-imaging static symmetric reflective compound parabolic concentrator (SRCPC). By considering the seasonal variation of the sun’s position, a concentrating Photovoltaic (CPV) system with precise acceptance angle and low concentrating ratio will be an ideal alternative to conventional flat plate photovoltaic (PV) modules in harvesting the power from the sun. The SRCPC is a suitable choice well designed to achieve optimum precise acceptance angles and concentration ratio for this purpose. The optical performance theory study shows that a truncated symmetric reflective CPC with acceptance half-angles of 0° and 10° (termed as SRCPC-10) is the optimum design when compared with the symmetric reflective CPC designs with acceptance half-angles of 0° and 15° and 0° and 20° in Penryn and higher latitudes. An increase in the range of acceptance angles decreases the concentration ratio but an increase in the range of acceptance angles is achieved by truncating the concentrator profile which will reduce its cost as well. Ray tracing simulations indicates that the SRCPC-10 exhibited the maximum optical efficiency and steady slope compared with others. The simulated maximum optical efficiency of the SRCPC was found to be 94%. In addition, the SRCPC-10 was found to have a more uniform intensity distribution at the receiver and a total daily-monthly energy collection compared to the other designs. Thermal modelling of the CPV system with the SRCPC-10 concentrator shows that the solar cell operating temperature can reach up to 70°C for irradiance of 1000W/m2 at an ambient temperature of 25° at a wind velocity of 2.5m/s. The integration of the thermal management system is able to control and maintain the temperature to 29°C. The modelled thermal and electrical efficiencies were 47% and 15% respectively with a heat transfer coefficient of 54.29W/m2K thereby bringing the system efficiency to 62%. The maximum power of the SRCPC-10 when characterised in an indoor controlled environment using solar simulator was 5.96W at 1000W/m2 at a cooling flow rate of 0.0079L/s with average conversion efficiency of 8.97%. The maximum power at 1200W/m2 and 0.031L/s was 7.14W with conversion efficiency of 10.57%. The maximum increase in efficiency from non-cooling to cooling is 2.54%. The efficiency increased because of cooling is relatively 40%. The outdoor characterisation (validation) of the SRCPC-10 shows that the maximum power was 7.4W at 1206W/m2 on a sunny day. The maximum electrical conversion efficiency of the SRCPC-10 in outdoor conditions was found to be 10.96%. These results revealed that this designed SRCPC-10 is capable of collecting both direct and diffuse radiation to generate power. Therefore, the SRCPC-10 could be used to provide a solution to the increasing demand on electricity to the energy mix, leaving a clean environment for future developments.
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Mallick, Tapas K. "Optics and heat transfer for asymmetric compound parabolic photovoltaic concentrators for building integrated photovoltaics." Thesis, University of Ulster, 2003. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.288897.

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Singh, Harjit. "An experimental study of natural convective heat flow phenomena in concentrating compound parabolic solar collector cavities." Thesis, University of Ulster, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.516521.

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Tian, Meng. "A study on the use of three-dimensional dielectric crossed compound parabolic concentrator for daylighting control application." Thesis, University of Nottingham, 2018. http://eprints.nottingham.ac.uk/50347/.

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As a low concentration concentrator with a larger acceptance angle and without a tracking requirement, compound parabolic concentrator is regarded as an attractive solution to improve the system performance and reduce the cost of photovoltaic (PV) system, solar thermal system, daylighting and lighting systems, etc. As a typical type of three-dimensional compound parabolic concentrator (CPC), dielectric crossed compound parabolic concentrator (dCCPC) has drawn a significant research attention in these years to explore its angular characteristics in solar collection for concentrating photovoltaics and daylighting control in buildings. This thesis provides a comprehensive study on dCCPC in aspect of daylighting control. The work starts from a general review that provides a detailed introduction of the background of CPC applications in solar energy. Then the fundamental property of dCCPC when it is utilized as skylights for daylighting control is investigated, and the performance of dCCPC is also compared to other types of CPC. With the consideration of actual application, the dCCPC panel should be designed as small as possible to reduce its weight and maintain the optical characters simultaneously. Several criteria relating to the dimension of dCCPC panel are proposed and investigated about their effects on the optical performance of dCCPC, followed by the experiments that are taken for validation. As ray-tracing simulation is the most common way to determine the optical performance of dCCPC which provides accurate result but requires long time to run, the multiple nonlinear regression model and artificial neural network model are put forward in the beginning of the second half of this thesis. The coefficients of determination of these models could reach 0.99 which imply the high accuracy of them. The optical performance of dCCPC can be calculated rapidly by knowing the sun position and sky condition. Afterwards, because the performance of dCCPC can be calculated easily for any time and any location with the mathematical model, a case study was taken to investigate the dCCPC effects on building energy consumption, indoor visual environment and economic benefits. This research proves the potential of dCCPC in terms of daylighting control. As a stationary skylight, the transmittance of it is adjusted automatically depending the sky condition and sun position. It also provides outstanding performance in indoor illuminance distribution. The dCCPC is suggested to be used in the locations with long hot seasons for the purpose of energy saving, and it is suggested for all locations with a view to glare control. For further work, more related criteria are encouraged to be added into the prediction models. The method of manufacturing dCCPC is suggested to be improved. Finally, the asymmetric dCCPC is expected to have high potential in daylighting control as vertical building facade, which is worth to be investigated.
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Šumić, Mersiha. "Thermal Performance of a Solarus CPC-Thermal Collector." Thesis, Högskolan Dalarna, Energi och miljöteknik, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:du-14526.

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The  aim  of  this  master  thesis  is  an  investigation  of  the  thermal  performance  of  a  thermal compound parabolic concentrating (CPC) collector from Solarus. The collector consists of two troughs with absorbers which are coated with different types of paint with  unknown  properties.  The  lower  and  upper  trough  of  the  collector  have  been  tested individually. In  order  to  accomplish  the  performance  of  the  two  collectors,  a  thorough  literature  study  in  the  fields  of  CPC  technology,  various  test  methods,  test  standards  for  solar thermal  collectors  as  well  as  the  latest  articles  relating  on  the  subject  were  carried  out. In addition, the set‐up of the thermal test rig was part of the thesis as well. The thermal  performance  was  tested  according  to  the  steady  state  test  method  as  described in the European standard 12975‐2. Furthermore, the thermal performance of  a  conventional  flat  plate  collector  was  carried  out  for  verification  of  the  test  method. The  CPC‐Thermal  collector  from  Solarus  was  tested  in  2013  and  the  results  showed  four  times  higher  values  of  the  heat  loss  coefficient  UL (8.4  W/m²K)  than  what  has been reported for a commercial collector from Solarus. This value was assumed to be too large and it was assumed that the large value was a result of the test method used that time. Therefore, another aim was the comparison of the results achieved in this work with the results from the tests performed in 2013. The results of the thermal performance showed that the optical efficiency of the lower trough of the CPC‐T collector is 77±5% and the corresponding heat loss coefficient UL 4.84±0.20  W/m²K.  The  upper  trough  achieved  an  optical  efficiency  of  75±6  %  and  a  heat loss coefficient UL of 6.45±0.27 W/m²K. The results of the heat loss coefficients  are  valid  for  temperature  intervals  between  20°C  and  80°C.  The  different  absorber paintings have a significant impact on the results, the lower trough performs overall better.  The  results  achieved  in  this  thesis  show  lower  heat  loss  coefficients UL and higher optical efficiencies compared to the results from 2013.
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Abranches, Gonçalo Botelho de Sousa. "Determinação da qualidade geométrica de superfície refletoras com recurso à fotogrametria." Master's thesis, Universidade de Évora, 2018. http://hdl.handle.net/10174/23893.

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Neste trabalho é utilizada a Fotogrametria como ferramenta para avaliação geométrica de concentradores solares térmicos. Coletores do tipo cpc – coletores parabólicos compostos são submetidos a diversas experiências fotogramétricas e avaliados quanto à sua forma. Outros objetos com superfícies refletoras e não refletoras como concentradores solares ptc – parabolic through concentrator e fornos solares também são alvo de experiências fotogramétricas com o objetivo de estudar os efeitos de diferentes tipos de superfícies na fotogrametria. É também comparado o modelo 3D do concentrador ideal com aquele que foi obtido através da fotogrametria, para o que foi feito um estudo exaustivo, verificando as diferenças geométricas entre os dois modelos, bem como os efeitos dessas diferenças físicas na reflexão dos raios solares, ou seja, na energia captada pelo concentrador; Abstract: Geometrical assessment of reflective surfaces using photogrammetry This paper uses Photogrammetry as a tool for the geometric evaluation of solar concentrators. Collectors of the cpc type - compound parabolic collectors are submitted to several photogrammetric experiments and evaluated for their shape. Other objects with reflecting and non-reflecting surfaces such as ptc - parabolic through concentrators and solar ovens are also the subject of photogrammetric experiments to study the effects of different types of surfaces in photogrammetry. There is also a comparison between the 3D model of the ideal concentrator and that obtained by photogrammetry. An exhaustive study was done verifying the geometric differences between the two models as well as the effects of these physical differences in the reflection of the solar rays that represent the energy captured by the concentrator.
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Книги з теми "COMPOUND PARABOLIC"

1

Kothdiwala, Ahmed Farouk. Simulation and optimisation of asymmetric and symmetric compound parabolic concentratingsolar collectors. [s.l: The Author], 1996.

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2

Mallick, Tapas Kumar. Optics and heat transfer for asymmetric compound parabolic photovoltaic concentrators for building integrated photovoltaics. [s.l: The Author], 2003.

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3

Suresh, Deivarajan. Some studies related to a new hexagonal compound parabolic concentrator (HCPC) as a secondary in tandem with a solar tower. Koln, Germany: DLR, 1990.

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Частини книг з теми "COMPOUND PARABOLIC"

1

Macagnan, M. H., E. Lorenzo, and J. J. Sánchez Martín. "On the Energy Collected by Compound Parabolic Collectors." In Tenth E.C. Photovoltaic Solar Energy Conference, 985–87. Dordrecht: Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-011-3622-8_252.

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2

Norton, B., and D. E. Prapas. "Thermal Analysis of Compound—Parabolic Concentrating Solar Energy Collectors." In Physics and Technology of Solar Energy, 109–35. Dordrecht: Springer Netherlands, 1987. http://dx.doi.org/10.1007/978-94-009-3939-4_6.

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3

Pise, Diptanshu K., Pranjali S. Deole, and Sandeep S. Joshi. "Performance Improvement of Compound Parabolic Collector Using Dual Receivers." In Recent Advances in Energy Technologies, 3–17. Singapore: Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-3467-4_1.

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4

Mishra, Shubhranshu, Tangellapalli Srinivas, Parmvir Singh, and Ajay Trehan. "Thermal Analysis of Multi Reflector Compound Parabolic Collector (MRCPC)." In Green Energy and Technology, 95–105. Singapore: Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-2279-6_9.

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5

Jinshe, Yuan, Wang Mingyue, and Yang Changmin. "Experimental Research on Photovoltaic Module for Asymmetrical Compound Parabolic Concentrator." In Proceedings of ISES World Congress 2007 (Vol. I – Vol. V), 1561–63. Berlin, Heidelberg: Springer Berlin Heidelberg, 2008. http://dx.doi.org/10.1007/978-3-540-75997-3_318.

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6

Ortega, Anita, Subhash Chandra, and Sarah J. McCormack. "Design and Characterization of a Roof-Mounted Compound Parabolic Concentrator." In Innovative Renewable Energy, 875–82. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-76221-6_98.

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Hussain, Ibrahim Alhassan, Syed Ihtsham Ul-Haq Gilani, Hussain H. Al-Kayiem, Mohamad Zaki Bin Abdullah, and Javed Akhter. "Integration of Compound Parabolic Concentrator with Solar Power Tower Receiver." In Clean Energy Opportunities in Tropical Countries, 73–92. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-15-9140-2_4.

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Chandan, Sumon Dey, V. Suresh, M. Iqbal, K. S. Reddy, and Bala Pesala. "Thermal and Electrical Performance Assessment of Elongated Compound Parabolic Concentrator." In Proceedings of the 7th International Conference on Advances in Energy Research, 633–43. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-5955-6_59.

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Baig, Muhammad Nadeem, Asad Khan Durrani, and Ammar Tariq. "CPC-Trough—COmpound Parabolic Collector for Cost Efficient Low Temperature Applications." In Proceedings of ISES World Congress 2007 (Vol. I – Vol. V), 603–7. Berlin, Heidelberg: Springer Berlin Heidelberg, 2008. http://dx.doi.org/10.1007/978-3-540-75997-3_111.

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10

Korres, Dimitrios N., and Christos Tzivanidis. "A Symmetric and an Asymmetric mini Compound Parabolic Collector Under Optical Investigation." In The Role of Exergy in Energy and the Environment, 649–61. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-89845-2_46.

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Тези доповідей конференцій з теми "COMPOUND PARABOLIC"

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Widyolar, Bennett, Lun Jiang, Ali Hassanzadeh, and Roland Winston. "Compound Parabolic Concentrator for Pentagon Shape Absorber." In ISES Solar World Conference 2017 and the IEA SHC Solar Heating and Cooling Conference for Buildings and Industry 2017. Freiburg, Germany: International Solar Energy Society, 2017. http://dx.doi.org/10.18086/swc.2017.31.18.

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2

Schroer, Christian G., Bruno Lengeler, Boris Benner, Marion Kuhlmann, Til F. Guenzler, Johannes Tuemmler, Christoph Rau, Timm Weitkamp, Anatoly A. Snigirev, and Irina Snigireva. "Parabolic compound refractive lenses for hard x rays." In International Symposium on Optical Science and Technology, edited by Andreas K. Freund, Tetsuya Ishikawa, Ali M. Khounsary, Derrick C. Mancini, Alan G. Michette, and Sebastian Oestreich. SPIE, 2001. http://dx.doi.org/10.1117/12.411647.

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Wei, An-Chi, Shih-Chieh Lo, Pei-Fang Hung, Ju-Yi Lee, Chia-Ming Li, Hong-Cheng Huang, and Hong-Yih Yeh. "Compound parabolic concentrator design for RGBW LEDs light mixing." In 2015 20th Microoptics Conference (MOC). IEEE, 2015. http://dx.doi.org/10.1109/moc.2015.7416492.

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4

Gonzalez, I. S., O. García-Valladares, H. Gómez V., and N. Ortega. "Experimental Validation of a Compound Parabolic Concentrator Mathematical Model." In ISES Solar World Congress 2015. Freiburg, Germany: International Solar Energy Society, 2016. http://dx.doi.org/10.18086/swc.2015.10.03.

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5

Zhuohuan, Hu, Zhang Leyi, and Yang Mo. "Analysis of compound parabolic collector with different cavity structures." In 2016 IEEE Information Technology, Networking, Electronic and Automation Control Conference (ITNEC). IEEE, 2016. http://dx.doi.org/10.1109/itnec.2016.7560403.

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6

Xu, Donghao, and Ming Qu. "Compound Parabolic Concentrators in Solar Thermal Applications: A Review." In ASME 2013 7th International Conference on Energy Sustainability collocated with the ASME 2013 Heat Transfer Summer Conference and the ASME 2013 11th International Conference on Fuel Cell Science, Engineering and Technology. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/es2013-18409.

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Анотація:
Among all types of concentrators, compound parabolic concentrators (CPCs) have been designed as stationary solar collectors for relative high temperature operations with high cost effectiveness. The CPCs are potentially the favorable option for solar power systems and high temperature solar thermal system. This paper provided a review on studies of CPCs in solar thermal applications. It covered basic concepts, principles, and design of CPCs. It also reviewed optical models and thermal models of CPCs, as well as the thermal applications of CPCs. The challenges were also summarized.
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7

Kashamba, Kabo, Tlhalefo P. Letsholo, Okatoseng T. Masoso, and Kevin N. Nwaigwe. "Energy and Exergy Analysis of a Developed Compound Parabolic Collector Using a Pumped Solar Water Heating System." In ASME 2022 16th International Conference on Energy Sustainability collocated with the ASME 2022 Heat Transfer Summer Conference. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/es2022-85481.

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Abstract Solar water heating systems utilize different types of collectors in heating water. Therefore, a study on energy and exergy analysis of a compound parabolic collector in a pumped solar water heating system is presented. The compound parabolic collector was designed using basic sizing principles and constructed using locally available materials. The materials used in the construction include aluminum for the concentrator, copper pipes for the circulation of water through the system and mild steel for the compound parabolic collector frame. A detailed description of the construction steps followed in the development of the compound parabolic collector is presented. An experimental active solar water heating system consisting of the compound parabolic collector, a storage tank and a pump was used for analysis of energy and exergy. A pyranometer and probes were placed at the experimental site to measure solar radiance and ambient temperature respectively at the intervals of ten minutes. Experiments were carried out using the solar water heating system and a net temperature rise of 22.4°C was obtained. The energy efficiency of the compound collector was 93.1% while the obtained exergy efficiency was 20.1%. The results show that the developed compound parabolic collector is very effective in solar water heating and agrees with established research.
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Lei, Peng, Junyuan Lai, Jiong Ma, and Peng Jin. "Compound Parabolic Based Three-dimensional Concentrator for Low Concentration Photovoltaic." In Optics for Solar Energy. Washington, D.C.: OSA, 2013. http://dx.doi.org/10.1364/ose.2013.rt2d.5.

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Widyolar, Bennett, Lun Jiang, Jordyn Brinkley, Yogesh Bhusal, Jonathan Ferry, and Roland Winston. "External compound parabolic concentrator (XCPC) for decarbonizing industrial processing heat." In Nonimaging Optics: Efficient Design for Illumination and Solar Concentration XVII, edited by Roland Winston and Eli Yablonovitch. SPIE, 2020. http://dx.doi.org/10.1117/12.2570839.

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10

Gordon, Jeffrey M., and Peter Kashin. "Achieving uniform efficient illumination with multiple asymmetric compound parabolic luminaires." In SPIE's 1993 International Symposium on Optics, Imaging, and Instrumentation, edited by Roland Winston and Robert L. Holman. SPIE, 1993. http://dx.doi.org/10.1117/12.161943.

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Звіти організацій з теми "COMPOUND PARABOLIC"

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Winston, R., and J. J. O'Gallagher. Participation in multilateral effort to develop high performance integrated CPC evacuated collectors. [Compound Parabolic Concentrator (CPC)]. Office of Scientific and Technical Information (OSTI), May 1992. http://dx.doi.org/10.2172/7296012.

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2

Brinkley, Jordyn, Bennett Widyolar, Lun Jiang, Souvik Roy, Gerardo Diaz, James Palko, and Roland Winston. The Internal Compound Parabolic Concentrator (ICPC) - a Novel Low Cost Solar Thermal Collection System for Desalination Processes. Office of Scientific and Technical Information (OSTI), January 2023. http://dx.doi.org/10.2172/1914376.

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