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Journal articles on the topic 'Heat concentrating'

Author: Grafiati

Published: 3 June 2025

Last updated: 1 August 2025

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1

Mohd Suhaimi, Siti Nur Afifah, Suraiya Najeehah Mohd Nor, Nor Aira Zambri, Farahiyah Mustafa, Sy Yi Sim, and Norhafiz Salim. "Development of Steg with Concentrating System." Semarak International Journal of Electronic System Engineering 3, no. 1 (2024): 1–14. http://dx.doi.org/10.37934/sijese.3.1.114.

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Solar cells, also known as photovoltaic cells, convert light energy into electrical energy through the photovoltaic effect. Integrating a thermoelectric generator into a photovoltaic system enhances power output and efficiency by utilizing waste heat. Concentrators are employed to further improve solar panel efficiency. This study aims to develop a solar thermoelectric generator (STEG) with a concentrating system that includes a heat sink cooling system, thermoelectric generator, and concentrator. Three conditions will be tested to observe the power output of each solar module: PV standalone,

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Mohd Suhaimi, Siti Nur Afifah, Suraiya Najeehah Mohd Nor, Nor Aira Zambri, Farahiyah Mustafa, Sy Yi Sim, and Norhafiz Salim. "Development of Steg with Concentrating System." Semarak International Journal of Electronic System Engineering 3, no. 1 (2025): 1–14. https://doi.org/10.37934/sijese.3.1.114a.

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Solar cells, also known as photovoltaic cells, convert light energy into electrical energy through the photovoltaic effect. Integrating a thermoelectric generator into a photovoltaic system enhances power output and efficiency by utilizing waste heat. Concentrators are employed to further improve solar panel efficiency. This study aims to develop a solar thermoelectric generator (STEG) with a concentrating system that includes a heat sink cooling system, thermoelectric generator, and concentrator. Three conditions will be tested to observe the power output of each solar module: PV standalone,

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3

Müller-Steinhagen, Hans. "Concentrating solar thermal power." Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 371, no. 1996 (2013): 20110433. http://dx.doi.org/10.1098/rsta.2011.0433.

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In addition to wind and photovoltaic power, concentrating solar thermal power (CSP) will make a major contribution to electricity provision from renewable energies. Drawing on almost 30 years of operational experience in the multi-megawatt range, CSP is now a proven technology with a reliable cost and performance record. In conjunction with thermal energy storage, electricity can be provided according to demand. To date, solar thermal power plants with a total capacity of 1.3 GW are in operation worldwide, with an additional 2.3 GW under construction and 31.7 GW in advanced planning stage. Dep

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4

Stefanovic, Velimir, Sasa Pavlovic, Marko Ilic, Nenad Apostolovic, and Dragan Kustrimovic. "Numerical simulation of concentrating solar collector P2CC with a small concentrating ratio." Thermal Science 16, suppl. 2 (2012): 471–82. http://dx.doi.org/10.2298/tsci120430184s.

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Solar energy may be practically utilized directly through transformation into heat, electrical or chemical energy. A physical and mathematical model is presented, as well as a numerical procedure for predicting thermal performances of the P2CC solar concentrator. The demonstrated prototype has the reception angle of 110? at concentration ratio CR = 1.38, with the significant reception of diffuse radiation. The solar collector P2CC is designed for the area of middle temperature conversion of solar radiation into heat. The working fluid is water with laminar flow through a copper pipe surrounded

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Guenneau, Sebastien, Claude Amra, and Denis Veynante. "Transformation thermodynamics: cloaking and concentrating heat flux." Optics Express 20, no. 7 (2012): 8207. http://dx.doi.org/10.1364/oe.20.008207.

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6

Arnaoutakis, Georgios E., and Dimitris Al Katsaprakakis. "Concentrating Solar Power Advances in Geometric Optics, Materials and System Integration." Energies 14, no. 19 (2021): 6229. http://dx.doi.org/10.3390/en14196229.

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In this paper, the technological advances in concentrating solar power are reviewed. A comprehensive system approach within this scope is attempted to include advances of highly specialized developments in all aspects of the technology. Advances in geometric optics for enhancement in solar concentration and temperature are reviewed along with receiver configurations for efficient heat transfer. Advances in sensible and latent heat storage materials, as well as development in thermochemical processes, are also reviewed in conjunction with efficient system integration as well as alternative ener

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Harries, David N., Mark Paskevicius, Drew A. Sheppard, Tobias Edward Cameron Price, and Craig E. Buckley. "Concentrating Solar Thermal Heat Storage Using Metal Hydrides." Proceedings of the IEEE 100, no. 2 (2012): 539–49. http://dx.doi.org/10.1109/jproc.2011.2158509.

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8

Lang, Shaocheng, Jinliang Yuan, and Houcheng Zhang. "Optimally Splitting Solar Spectrums by Concentrating Solar Spectrums Splitter for Hydrogen Production via Solid Oxide Electrolysis Cell." Energies 17, no. 9 (2024): 2067. http://dx.doi.org/10.3390/en17092067.

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The concentrating solar spectrums splitter (CSSS)-driven solid oxide electrolysis cell (SOEC) is an attractive technology for green hydrogen production. The CSSS mainly comprises a concentrating photovoltaic (CPV), which converts sunlight with shorter wavelengths into electricity, and a concentrating solar collector (CSC), which converts the remaining sunlight into heat. However, the optimal splitting of the solar spectrums is a critical challenge that directly impacts the efficiency and normal operation of the SOEC. To address this challenge, a mathematical model integrating the CSSS with the

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9

Song, Ji Tian, Jian Bo Liu, Zheng Zhao, Xiao Fei Xu, and Shen Yu Wang. "The Study of the Apple Juice Evaporation Characteristics on a Heat Pipe Evaporator." Applied Mechanics and Materials 441 (December 2013): 1055–59. http://dx.doi.org/10.4028/www.scientific.net/amm.441.1055.

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In this paper, the apple juice was used as the experimental medium, the main factors, such as the evaporating temperature, feed rate, temperature difference of the heat transfer and concentration, were analyzed, the heat transfer of the juice was studied on a heat pipe evaporator, a dynamic model of the apple juice during the constant volume heat process was built up, the heat transfer during evaporation, affected the heat transfer properity in evaporating process were investigated, the experimental relating formula was obtained finally. The above informations could provide some help to design

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10

Al Siyabi, Idris, Sourav Khanna, Senthilarasu Sundaram, and Tapas Mallick. "Experimental and Numerical Thermal Analysis of Multi-Layered Microchannel Heat Sink for Concentrating Photovoltaic Application." Energies 12, no. 1 (2018): 122. http://dx.doi.org/10.3390/en12010122.

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Concentrating photovoltaic has a major challenge due to the high temperature raised during the process which reduces the efficiency of the solar cell. A multi-layered microchannel heat sink technique is considered more efficient in terms of heat removal and pumping power among many other cooling techniques. Thus, in the current work, multi-layered microchannel heat sink is used for concentrating photovoltaic cooling. The thermal behavior of the system is experimentally and numerically investigated. The results show that in extreme heating load of 30 W/cm2 with heat transfer fluid flow rate of

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Wang, Zi Long, Hua Zhang, and Hai Tao Zhang. "The Simulation of Heat Pipe Evaporator in Concentration Solar Cell." Applied Mechanics and Materials 44-47 (December 2010): 1207–12. http://dx.doi.org/10.4028/www.scientific.net/amm.44-47.1207.

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Considering the problem of the concentrating solar cell efficiency restricted by the temperature. The closed two-phase thermosyphon was used to dissipation heat in concentrating solar cell at high heat flux, which adopted water as the working fluid. The temperature distribution of evaporator had significant effect on solar cell performance and heat pipe efficiency. A numerical simulation model of evaporator was established by FLUENT. During the computing process, the heat flux, filling ratio of liquid and saturation temperature were taken into account. It was found that the maximum temperature

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Nyeinga, Karidewa, Ole J. Nydal, Denis Okello, and Eldad J. K. B. Banda. "Dynamic model of a small scale concentrating solar cooker with rock bed heat storage." Journal of Energy in Southern Africa 27, no. 1 (2016): 20. http://dx.doi.org/10.17159/2413-3051/2016/v27i1a1563.

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This study presents a dynamic model for a concentrating solar energy collector with an integrated rock bed heat storage system. The model is based on numerical integration of a set of conservation equations for mass, momentum and energy of the heat carrier, the rock pebbles and the walls. The heat carrier is compressible air. Numerical solutions are implemented based on implicit time integration without iterations. Stability problems at large time steps do not occur but the accuracy is reduced. The model predicts pressure, velocity, density and temperatures of the fluid, rock bed and wall in t

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Reet, Dhawan, Karim Saba, Utkarsh, and JP Kesari Dr. "Review of Concentrating Solar Energies inMechanical Heat Process Applications." International Journal of Innovative Science and Research Technology 8, no. 5 (2023): 762–65. https://doi.org/10.5281/zenodo.7953908.

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The Indian hospitality industry is facing a shift from fossil fuel to clean energy technology. This work aims to design a solar paraboloid dish based heat system for cooking, laundry and bathing purposes. The solar paraboloid dish is designed with dual axis tracking for better efficiency. The performance of the system has been compiled with major parameters such as physical dimensions, energy generation potential, total energy requirement, integration within plant, costing of the installation and its economic analysis. The system can be installed at various hospitality industrial plants with h

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Wang, Zi Long, Hua Zhang, and Hai Tao Zhang. "The Optimization of Operation Characteristics for Finned Heat Pipe Radiator in Concentrating Photovoltaic System." Advanced Materials Research 383-390 (November 2011): 6561–67. http://dx.doi.org/10.4028/www.scientific.net/amr.383-390.6561.

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Aiming at the problem of the concentrating solar cell efficiency restricted by the temperature. The closed two-phase thermosyphon could be used for heat dissipation in concentrat- ing solar cell with high heat flux, then water was selected as the working fluid. Numerical computation methods were adopted to study heat transfer performance of the finned heat pipe radiator in free convection. The temperature field, velocity field, total heat dissipating capacity of different fin pitch and side length as well as free convection heat transfer coefficient under the condition of constant temperature

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15

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.

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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

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VDOVIN, O. V., E. N. SLOBODINA, and A. G. MIKHAILOV. "THE EFFECT OF THE FLOW VELOCITY OF THE MODIFIED HEAT TRANSFER FLUID ON THE HEAT EXCHANGE IN A CONCENTRATING PARABOLIC SOLAR COLLECTOR." Actual Issues Of Energy 6, no. 1 (2024): 10–18. http://dx.doi.org/10.25206/2686-6935-2024-6-1-10-18.

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The article presents computational studies to study the effect of using the nanofluid Al2O3-water in a concentrating parabolic solar collector as a heat transfer fluid. Computational experiments were carried out for 1, 3 and 5 % volume fractions of nanoparticles in nanofluid. The main types of concentrating solar collectors are presented. The description of the device and the principle of operation of the solar collector under development is given. The basic equations for heat transfer and hydraulic resistance in a parabolic solar collector are presented, as well as equations for finding the b

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17

Xu, Zhi Long, Chao Li, Lian Fen Liu, and Zhong Ming Huang. "Key Technology on the Solar Photovoltaic & Thermal System." Advanced Materials Research 347-353 (October 2011): 901–5. http://dx.doi.org/10.4028/www.scientific.net/amr.347-353.901.

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Using the concentrating and tracking photovoltaics generation technology, the area of photovoltaic cells is only one-fifth of the traditional one if both generate same power output, and therefore the cost of photovoltaic power generation is greatly reduced. The concentrating solar cells produced with the special construction and lamination technique have the functions of heat exchanging and temperature controlling, which prevent the solar panel from over-temperature caused by the concentrating light and the crystal silicon cell pieces will always work under 60°C, and hence the photoelectric co

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18

Saleh, Nader S., Shaker Alaqel, Eldwin Djajadiwinata, et al. "Experimental Investigation of a Moving Packed-Bed Heat Exchanger Suitable for Concentrating Solar Power Applications." Applied Sciences 12, no. 8 (2022): 4055. http://dx.doi.org/10.3390/app12084055.

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This paper presents a thermal performance evaluation of a novel particle-to-air heat exchanger. The heat exchanger has a patented design with a shell-and-tube configuration. Solid particles move as a dense packed-bed inside the vertical tubes of the heat exchanger whereas air flows on the shell-side. This design avoids a number of limitations associated with the state-of-the-art heat exchangers in the same category, such as the stagnant/void zones and the prolonged residence time. The heat exchanger has a 50-kW thermal duty; it has been integrated into the particle-based concentrating solar po

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19

Zagorulko, Aleksey, Andrii Zahorulko, Maksym Serik, Vyacheslav Оnishchenko, and Alexander Postadzhiev. "Determination of heat transfer coefficient in advanced rotary film evaporator." Technology audit and production reserves 4, no. 3(60) (2021): 42–45. http://dx.doi.org/10.15587/2706-5448.2021.237979.

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The object of research is the process of concentrating fruit and vegetable purees in an improved rotary film evaporator. The existing hardware design of traditional processes for processing fruits and vegetables, as a rule, is not unified enough, inconvenient in operation and is designed for high productivity. Concentration of fruit and vegetable purees occurs mainly in vacuum evaporators of periodic and continuous operation at a temperature of 60–80 °C under vacuum, which allows them to significantly preserve their nutritional value. But the duration of the process remains very significant (i

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Aleksey, Zagorulko, Zahorulko Andrii, Serik Maksym, Оnishchenko Vyacheslav, and Postadzhiev Alexander. "Determination of heat transfer coefficient in advanced rotary film evaporator." Technology Audit and Production Reserves 4, no. 3(60) (2021): 42–45. https://doi.org/10.15587/2706-5448.2021.237979.

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<em>The object of research is the process of concentrating fruit and vegetable purees in an improved rotary film evaporator. The existing hardware design of traditional processes for processing fruits and vegetables, as a rule, is not unified enough, inconvenient in operation and is designed for high productivity. Concentration of fruit and vegetable purees occurs mainly in vacuum evaporators of periodic and continuous operation at a temperature of 60–80 °C under vacuum, which allows them to significantly preserve their nutritional value. But the duration of the process remains

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21

Vignarooban, K., Xinhai Xu, A. Arvay, K. Hsu, and A. M. Kannan. "Heat transfer fluids for concentrating solar power systems – A review." Applied Energy 146 (May 2015): 383–96. http://dx.doi.org/10.1016/j.apenergy.2015.01.125.

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22

ZhiYong, Zhang, Kong LingGang, Fan DuoJin, and Yao XiaoMing. "Tracking error analysis of primary mirror in Linear Fresnel heat collecting field." E3S Web of Conferences 256 (2021): 01046. http://dx.doi.org/10.1051/e3sconf/202125601046.

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Aiming at the tracking error of the primary mirror in the Linear Fresnel concentrated light and heat field, according to the structural characteristics of the Linear Fresnel concentrating and heat collecting system, the analysis model of the system concentrating error is established. By analyzing the mirror shape error of the Linear Fresnel system, the installation error of the secondary mirror (CPC), the errors of the north-south layout of the mirror field, the deviation of the primary mirror rotation axis and the deviation of the temperature drift of the angle sensor, and the factors were ca

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23

Park, K., G. choi, S. Shin, and H. Lee. "NUMERICAL STUDY OF HEAT TRANSFER FROM SOLAR HEAT FLUX DISTRIBUTIONS IN CONCENTRATING SOLAR POWER SYSTEM." Journal of Computational Fluids Engineering 27, no. 1 (2022): 26–31. http://dx.doi.org/10.6112/kscfe.2022.27.1.026.

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Resch, Alois, and Robert Höller. "State-of-the-Art of Concentrating Photovoltaic Thermal Technology." Energies 16, no. 9 (2023): 3821. http://dx.doi.org/10.3390/en16093821.

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Concentrating photovoltaic thermal (CPVT) technology has the potential to support the industrial sector with renewable electricity and heat simultaneously. The implementation of spectral splitting emerges as a possible approach to significantly increase the conversion efficiency, and furthermore, to hurdle the fundamental discrepancy of CPVT systems, that the electrical and the thermal receiver part have opposing temperature requirements. This paper provides an introductive description of beam splitting methodology and presents an updated review of the latest developments in the specific secto

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Rajan, Abhinav, and K. S. Reddy. "Estimation of convective heat losses from conical cavity receiver of solar parabolic dish collector under wind conditions and receiver orientations." E3S Web of Conferences 313 (2021): 11001. http://dx.doi.org/10.1051/e3sconf/202131311001.

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The parabolic dish collector is one of the recognized concentrated solar power systems based on point focusing, which provides high-temperature heat, high concentration ratio, and low heat loss. This system consists of a parabolic reflector and a cavity receiver situated in the focus line. In this work, the conical cavity receiver with an aperture diameter of 0.5 m is considered for a 100 m2 parabolic reflector having a focal to diameter ratio of 0.48. Due to the complexity of flow and temperature profile, the estimation of convective heat loss is a difficult task in a cavity receiver. More he

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Antipov, S. T., V. Yu Ovsyannikov, and A. A. Korchinskii. "Study of the cattle blood concentrating." Proceedings of the Voronezh State University of Engineering Technologies 80, no. 2 (2018): 11–17. http://dx.doi.org/10.20914/2310-1202-2018-2-11-17.

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The urgency of more complete use of food blood of slaughter animals is due to the content of protein substances in it with a high digestibility of the organism, in terms of its content it can be equated to meat. However, the part of the processed and used blood for food purposes is only 3% by the meat processing industry. Using of the slaughter animals blood in concentrated form allows its use as one of the most important sources of animal origin protein and a number of other substances necessary for human being - fats, carbohydrates, enzymes, vitamins and mineral constituents. For partial can

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Baumann, Torsten, Stefan Zunft, and Rainer Tamme. "Moving Bed Heat Exchangers for Use With Heat Storage in Concentrating Solar Plants: A Multiphase Model." Heat Transfer Engineering 35, no. 3 (2013): 224–31. http://dx.doi.org/10.1080/01457632.2013.825154.

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Voynov, Nikolay Aleksandrovich, Anastasia Viktorovna Bogatkova, Denis Andreevich Zemtsov, Olga Petrovna Zhukova, and Vyacheslav Andreevich Chernov. "CROSS-CURRENT PACKED TRAY FOR A DIABATIC PRODUCT-CONCENTRATING COLUMN." chemistry of plant raw material, no. 4 (December 4, 2024): 405–15. https://doi.org/10.14258/jcprm.20240414048.

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Diabatic rectification is one of the ways to increase the energy efficiency of the mixed distillation process. Diabatic units in which partial condensation of rising vapours and further evaporation of the condensate on contact devices placed on trays have proved effective. Horizontal perforated plate units are promising in this respect. They have low resistance and high efficiency, but have a narrow operating range. To intensify the separation process and increase column productivity, a combined cross-flow packed tray was developed and investigated. It consists of a spiral-prismatic packing pl

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Xi, Xinming, Zicheng Zhang, Huimin Wei, Zeyu Chen, and Xiaoze Du. "Experimental Study of Simultaneous Charging and Discharging Process in Thermocline Phase Change Heat Storage System Based on Solar Energy." Sustainability 15, no. 9 (2023): 7322. http://dx.doi.org/10.3390/su15097322.

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As a renewable energy power generation method, concentrating solar power generation has a broad application prospect. Weather and fluctuation significantly affect the output power of concentrating solar power generation. A heat storage system can stabilize this fluctuation and generate continuous and stable power. Therefore, the research on heat storage systems is of great significance to the development of concentrating solar power generation. This paper mainly studies the operating characteristics of the heat storage system based on solar energy in simultaneous charging, the influence in the

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Toba, Kazuhiro, Koji Kawano, Kotaro Tanaka, Hirohito Iwawaki, and Jun'ichi Sakai. "Study of NH4HS Concentrating Mechanism in Air Cooled Heat Exchanger Tubes." Zairyo-to-Kankyo 60, no. 6 (2011): 304–11. http://dx.doi.org/10.3323/jcorr.60.304.

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Singh, Dileep, Wenhua Yu, David M. France, et al. "One piece ceramic heat exchanger for concentrating solar power electric plants." Renewable Energy 160 (November 2020): 1308–15. http://dx.doi.org/10.1016/j.renene.2020.07.070.

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Rönnelid, Mats, and Björn Karlsson. "Experimental investigation of heat losses from low-concentrating non-imaging concentrators." Solar Energy 57, no. 2 (1996): 93–109. http://dx.doi.org/10.1016/s0038-092x(96)00061-8.

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Köysal, Yavuz. "Performance Analysis on Solar Concentrating Thermoelectric Generator Coupled with Heat Sink." International Journal of Precision Engineering and Manufacturing 20, no. 2 (2019): 313–18. http://dx.doi.org/10.1007/s12541-019-00060-w.

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Paskevicius, M., D. A. Sheppard, K. Williamson, and C. E. Buckley. "Metal hydride thermal heat storage prototype for concentrating solar thermal power." Energy 88 (August 2015): 469–77. http://dx.doi.org/10.1016/j.energy.2015.05.068.

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Cocco, Daniele, Mario Petrollese, and Vittorio Tola. "Exergy analysis of concentrating solar systems for heat and power production." Energy 130 (July 2017): 192–203. http://dx.doi.org/10.1016/j.energy.2017.04.112.

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Sendhil Kumar, Natarajan, Katz Matty, Ebner Rita, et al. "Experimental validation of a heat transfer model for concentrating photovoltaic system." Applied Thermal Engineering 33-34 (February 2012): 175–82. http://dx.doi.org/10.1016/j.applthermaleng.2011.09.031.

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Jakhar, Sanjeev, M. S. Soni, and Nikhil Gakkhar. "Performance Analysis of Earth Water Heat Exchanger for Concentrating Photovoltaic Cooling." Energy Procedia 90 (December 2016): 145–53. http://dx.doi.org/10.1016/j.egypro.2016.11.179.

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Dolgun, Gülşah Karaca, Onur Vahip Güler, Aleksandar G. Georgiev, and Ali Keçebaş. "Experimental Investigation of a Concentrating Bifacial Photovoltaic/Thermal Heat Pump System with a Triangular Trough." Energies 16, no. 2 (2023): 649. http://dx.doi.org/10.3390/en16020649.

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The heat absorbed by the heat transfer fluid for cooling a concentrated photovoltaic thermal (CPVT) solar collector can be used for purposes such as residential heating and cooking. Because of the combined production of heat and power, these systems are proposed for individual or commercial use in rural areas. In this study, a hybrid system was proposed to increase the electrical efficiency of the system. Experiments were conducted in winter conditions. Two operational modes were compared, namely a CPVT system with HP (HP-CPVT) and without HP (CPVT). The evaporator of the heat pump was settled

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Zhuang, Xiaoru, Haitao Wang, Haoran Lu, Zhi Yang, and Hao Guo. "Numerical Investigation of Heat Transfer and Flow Characteristics of Supercritical CO2 in Solar Tower Microchannel Receivers at High Temperature." Energies 16, no. 18 (2023): 6445. http://dx.doi.org/10.3390/en16186445.

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Using supercritical CO2 as a heat transfer fluid in microchannel receivers is a promising alternative for tower concentrating solar power plants. In this paper, the heat transfer and flow characteristics of supercritical CO2 in microchannels at high temperature are investigated by numerical simulations. The effects of microchannel structure, mass flow rate, heat flux, pressure, inlet temperature and radiation are analyzed and discussed. The results show that higher mass flow rate obtains poorer heat transfer performance with larger flow resistance of supercritical CO2 in microchannels at high

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Shabgard, Hamidreza, Christopher W. Robak, Theodore L. Bergman, and Amir Faghri. "Heat transfer and exergy analysis of cascaded latent heat storage with gravity-assisted heat pipes for concentrating solar power applications." Solar Energy 86, no. 3 (2012): 816–30. http://dx.doi.org/10.1016/j.solener.2011.12.008.

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Vafaie, F. N., and J. R. Dunn. "Forced-Convection Heat Transfer for Single and Two-Phase Helical Flow in a Solar Receiver." Journal of Heat Transfer 108, no. 1 (1986): 76–83. http://dx.doi.org/10.1115/1.3246908.

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The heat transfer characteristics of a single-tube, helically coiled receiver for a concentrating solar collector are presented. Heat transfer coefficients were measured for single and two-phase water-steam flow in a helical coil subjected to radiant heating for a range of flow conditions and radiant flux levels. Results are presented for both the local and average heat transfer coefficients in several flow regimes.

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Al-Ansary, Hany. "Prospects for Use of Solar Thermal Energy in High-Temperature Process Heat Applications." Applied Mechanics and Materials 819 (January 2016): 16–20. http://dx.doi.org/10.4028/www.scientific.net/amm.819.16.

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Concentrating solar power is a family of solar energy technologies that have been used for decades to produce power. These technologies have a unique advantage, which is the ability to store thermal energy for prolonged periods of time such that stable and dispatchable energy can be provided to the electricity grid. However, concentrating solar power has been recently losing market share to photovoltaic technology due to the former’s significantly higher initial cost. There are many efforts worldwide to develop innovative solutions that reduce the cost and/or increase efficiency of concentrati

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Madaeni, S. S., and H. Daneshvar. "The concentrating of alizarin using a reverse osmosis process." Journal of the Serbian Chemical Society 70, no. 1 (2005): 107–14. http://dx.doi.org/10.2298/jsc0501107m.

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Membrane technologies in general and reverse osmosis in particular have been employed for the concentrating of solutions. In this study, the concentrating of a heat sensitive alizarin extracted from madder root was realized using an FT30 reverse osmosis membrane. The effects of cross flow velocity, transmembrane pressure and pH on the flux and rejection were studied. Increasing the transmembrane pressure increased the flux while the rejection was constant. At pH 7-8, the highest flux was achieved. This study showed that reverse osmosis is the process of choice for the concentrating of alizarin

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Cui, Xiandai, Xiaomin Cheng, Hong Xu, Bei Li, and Jiaoqun Zhu. "Enhancement of thermophysical coefficients in nanofluids: A simulation study." International Journal of Modern Physics B 34, no. 25 (2020): 2050222. http://dx.doi.org/10.1142/s0217979220502227.

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Molten salts constitute one kind of PCMs (Phase Change Materials) widely used in concentrating solar power facilities for heat storage and heat transfer. This paper aims to simulate nanofluid PCMs with molecular dynamics method. Concretely, the thermophysical properties of a nanofluid of KNO3 doped with SiO2 nanoparticle are investigated by equilibrium and nonequilibrium molecular dynamics simulations. For the first time, these properties of a nanofluid in the family of PCMs are calculated. The density, thermal expansion coefficient, specific heat capacity, thermal conductivity, and viscosity

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Tian, Heqing, Lichan Du, Chenglong Huang, et al. "Enhanced specific heat capacity of binary chloride salt by dissolving magnesium for high-temperature thermal energy storage and transfer." Journal of Materials Chemistry A 5, no. 28 (2017): 14811–18. http://dx.doi.org/10.1039/c7ta04169a.

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Okasha, Ahmed T., Fahad Ghallab Al-Amri, Taher Maatallah, Nagmeldeen A. M. Hassanain, Abdullah Khalid Alghamdi, and Richu Zachariah. "Numerical Study of Single-Layer and Stacked Minichannel-Based Heat Sinks Using Different Truncating Ratios for Cooling High Concentration Photovoltaic Systems." Sustainability 14, no. 9 (2022): 5352. http://dx.doi.org/10.3390/su14095352.

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The present research aims to discuss and analyze the performance of truncated single-layer and stacked mini-channel-based heat sinks employed for the cooling of a single-cell high concentrating photovoltaic systems. The truncating technique of the fins at the entrance and exit regions from the internal fluid mini channels is opted to reduce the energy, raw material costs and time of the manufacturing process of the mini channels. This proposed solution is constrained by several metrics such as the thermal management and the overall performance of the high concentrating photovoltaic system. In

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Pavlovic, Sasa, Velimir Stefanovic, and Suad Suljkovic. "Optical modeling of a solar dish thermal concentrator based on square flat facets." Thermal Science 18, no. 3 (2014): 989–98. http://dx.doi.org/10.2298/tsci1403989p.

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Solar energy may be practically utilized directly through transformation into heat, electrical or chemical energy. We present a procedure to design a square facet concentrator for laboratory-scale research on medium-temperature thermal processes. The efficient conversion of solar radiation into heat at these temperature levels requires the use of concentrating solar collectors. Large concentrating dishes generally have a reflecting surface made up of a number of individual mirror panels (facets). Optical ray tracing is used to generate a system performance model. A square facet parabolic solar

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Kaneesamamkandi, Zakariya, Abdulaziz Almujahid, and Sami Ali Al-Sanea. "Recent Developments in Efficiency Enhancement of Non-Concentrating Photovoltaic Systems by Thermal Methods." Applied Mechanics and Materials 786 (August 2015): 226–31. http://dx.doi.org/10.4028/www.scientific.net/amm.786.226.

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Two different methods for reducing the operating temperatures of non-concentrating photovoltaic panels are analyzed and the performances are compared. Forced air cooling using a low power fan and use of a thermo siphon heat pipe are the modifications proposed for the purpose of efficiency enhancement. Experimental results of the two techniques are compared. It was found that, using a specific flow rate and selection of the proper heat pipe fluid and its operating conditions could help to reduce panel temperature considerably.

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Sheppard, D. A., C. Corgnale, B. Hardy, et al. "Hydriding characteristics of NaMgH2F with preliminary technical and cost evaluation of magnesium-based metal hydride materials for concentrating solar power thermal storage." RSC Adv. 4, no. 51 (2014): 26552–62. http://dx.doi.org/10.1039/c4ra01682c.

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Chen, Zhi Ping, Ming Li, Xu Ji, and Xi Luo. "Analysis of Electric Performance and Optimization of Trough Concentrating Solar Thermoelectric Cogeneration System." Applied Mechanics and Materials 368-370 (August 2013): 1209–13. http://dx.doi.org/10.4028/www.scientific.net/amm.368-370.1209.

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This study introduced the basic situation of the parabolic trough concentrating solar cogeneration system, and set a one-dimensional steady-state mathematical heat transfer model based on the experimental devices, at the same time clarified influencing factors of the major heat transfer process and thermal performance of the system. The article did perspectives theoretical analysis and simulation for the system in different aspects, through using of solar trough concentrator reflecting device, established thermal performance experiments that water as the working fluid flow, provided theoretica

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