本研究的主要目的是提供最新的进展和方法, 以加强太阳能集热器的传热过程的最新概述. 研究了传统技术和创新技术, 探讨了它们在提高热性能和整体系统效率方面的有效性. 对太阳能集热器强
Customer ServiceLoop thermosyphon, as an efficient heat transfer device, is considered as a potential receiver for high power solar thermal applications.A horizontal loop thermosyphon with metal foam (MF-HLTS) was proposed for further improve the thermal stability when operated in horizontal position, and experimentally investigated compared to that without metal foam (S
Customer ServicePVT technology combines the conversion of solar radiation into electricity and heat using one product. The functionality is derived from basic physics and the consideration that the bandgap of photovoltaics semiconductors can absorb only a limited part of the solar radiation.
Customer ServiceIn this paper, the heat transfer in a flat-plate solar collector with water tubes spreading across its width was analyzed. The performances of the system both theoretically and...
Customer Service本研究的主要目的是提供最新的进展和方法, 以加强太阳能集热器的传热过程的最新概述. 研究了传统技术和创新技术, 探讨了它们在提高热性能和整体系统效率方面的有效性. 对太阳能集热器强化传热技术的最新研究进行了全面的文献综述. 确定了主要挑战、知识差距和局限性, 并推荐了潜在的未来研究方案. 这篇全面的综述将作为研究人员和主要能源参与者的指南, 为太阳能集热器领域提
Customer ServiceHeat and mass transfer mechanisms of transpired solar collectors (TSCs) were analysed. TSCs can be integrated with different energy technologies to improve flexibility. Various designs of TSC systems and their main design parameters were discussed. It provides some insights into developing convective heat transfer correlations.
Customer ServiceUsing supercritical CO 2 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 CO 2 in microchannels at high temperature are investigated by numerical simulations.
Customer ServiceThe integration approach that combines SAH with LTS can be divided into methods that utilize nonintegrated collector–storage solar air heaters (NICSSAHs) and integrated collector–storage solar air heaters (ICSSAHs) [5].The heat collected by NICSSAHs needs to be transferred to thermal storage module (TSM) through a heat transfer fluid (HTF) because of
Customer ServicePVT technology combines the conversion of solar radiation into electricity and heat using one product. The functionality is derived from basic physics and the consideration
Customer ServiceThe issue of freezing often occurs when using all-glass vacuum tube solar water heaters during cold winter seasons, leading to problems such as pipe ruptures and tank leakage. In order to further study the nocturnal heat
Customer ServiceIn this work, heat transfer mechanisms involved in solar thermal devices, such as flat plate collector, evacuated tube collector, solar concentrating collectors, solar pond, solar distillation, solar dryer, and solar refrigeration are discussed and important observations made by various researchers are also presented. Furthermore, this chapter
Customer ServiceIn this research work, an innovative heat dissipation method integrated into a solar photovoltaic thermal (PV/T) air collector is numerically evaluated with a new
Customer ServiceHeat Transfer Modeling of a Parabolic Trough Solar Collector with Working Fluid of Fe3O4 and CuO/Therminol 66 Nanofluids under Magnetic Field. Applied Thermal Engineering, 163, Article 114435. https://doi /10.1016/j.applthermaleng.2019.114435.
Customer Service1 Heat Transfer Modeling of a Parabolic Trough Solar Collector with Working Fluid of Fe3O4 and CuO/Therminol 66 Nanofluids under Magnetic Field Mohammad Malekan 1, Ali Khosravi 2,*, Sanna Syri2 1 Department of Engineering, Aarhus University, Denmark 2 Department of Mechanical Engineering, School of Engineering, Aalto University, Finland * Corresponding
Customer ServiceThe solar collector''s air absorbs solar radiation, enters the TSU, contacts the stainless steel structure and stores heat in the TSU by convective heat transfer. After heat transfer, the air will return to the collector through the outlet of the heat storage duct and be heated again to form a cycle. The heat release mode is mainly carried out
Customer ServiceIn experiment, the average temperature of PCM, outlet air temperature and heat collecting efficiency under different operating conditions, exothermic condition and adverse working conditions were studied to understand the operating characteristics and heat transfer characteristics of solar collector with energy storage more comprehensively. The
Customer ServiceIn experiment, the average temperature of PCM, outlet air temperature and heat collecting efficiency under different operating conditions, exothermic condition and adverse
Customer ServiceSemantic Scholar extracted view of "Innovative heat dissipation design incorporated into a solar photovoltaic thermal (PV/T) air collector: an optimization approach based on 9E analysis" by A. J. Cetina-Quiñones et al.
Customer ServiceHeat dissipation area of the system (m 2) a n, b n. Mie coefficients. c p. Specific heat (J/kg/K) f v. Volume concentration. f. Friction factor. G. Incident radiation (W/m 2) H. Height of nanofluids, duct depth (m) h. Convective heat loss coefficient (W/m 2 /K) h c. Convective heat transfer coefficient (W/m 2 /K) I. Incident radiation intensity (W/(m 2 ·sr)) I b. Blackbody
Customer ServiceThis work is based on a two-dimensional numerical simulation, to study the effects of various nanofluids (Al 2 O 3, C u O, S i O 2, and Z n O) on heat transfer performance along the rectangular channel mounted with two different ribbed: rectangular and triangular. The effects of this ribbed on heat transfer performance are evaluated with Reynolds number in the
Customer ServiceThe calculation results show that, under the condition of satisfying the regular operation of the diesel engine, the heat transfer coefficient of the intercooler heat dissipation belt increases
Customer ServiceHeat transfer is the movement of heat due to a temperature difference between a system and its surroundings. While it occurs through a medium, it does not require one. For example, it''s warm outside on a sunny
Customer ServiceIn this work, heat transfer mechanisms involved in solar thermal devices, such as flat plate collector, evacuated tube collector, solar concentrating collectors, solar pond, solar
Customer ServiceIn this paper, the heat transfer in a flat-plate solar collector with water tubes spreading across its width was analyzed. The performances of the system both theoretically and...
Customer ServiceIn this research work, an innovative heat dissipation method integrated into a solar photovoltaic thermal (PV/T) air collector is numerically evaluated with a new methodology based on 9E analysis, which consists of the integration of energetic, exergetic, environmental, economic, energoenvironmental (ENEN), exergoenvironmental (EXEN
Customer ServiceIn this work, heat transfer in solar thermal devices, viz., at plate. collector (FPC) (air and water), evacuated tube collector (ETC), solar concentrating collectors, solar pond, solar distillation,
Customer ServiceHeat Transfer Modeling of a Parabolic Trough Solar Collector with Working Fluid of Fe3O4 and CuO/Therminol 66 Nanofluids under Magnetic Field. Applied Thermal Engineering, 163, Article
Customer ServiceUsing supercritical CO 2 as a heat transfer fluid in microchannel receivers is a promising alternative for tower concentrating solar power plants. In this paper, the heat
Customer ServiceIn this work, heat transfer in solar thermal devices, viz., at plate. collector (FPC) (air and water), evacuated tube collector (ETC), solar concentrating collectors, solar pond, solar distillation, solar dryer, and solar refrigeration are discussed in brief and critical observations made by various researchers are also presented.
Customer ServiceIn this work, heat transfer mechanisms involved in solar thermal devices, such as flat plate collector, evacuated tube collector, solar concentrating collectors, solar pond, solar distillation, solar dryer, and solar refrigeration are discussed and important observations made by various researchers are also presented.
Nowadays, most of researches on flat-plate solar collector are devoted to improving the collector heat transfer performance. The design of flow channel and air flow mode between endothermic board and glass cover plate is optimized to increase heat transfer area and performance , , , , .
In this paper, the heat transfer in a flat-plate solar collector with water tubes spreading across its width was analyzed. The performances of the system both theoretically and experimentally were evaluated and compared.
In addition, glass cover and insulating layer materials are also studied to reduce heat loss of collector, such as using double-layer insulating glass and insulating materials with low thermal conductivity , , . In the above studies, most scholars have focused on solar collectors with fins.
This work also incorporates those aspects of heat transfer which are vital in the design and analysis of solar thermal collectors and systems. The solar collectors can be classi fied into two main categories, namely, non-concentrating and concentrating.
Lanjewar investigated on solar collector with a W-shaped fin experimentally and discovered the best heat transfer performance was 60 ° of W-shaped fin angle. Experimental study on heat transfer performance of solar collector with finned installation angle of 60 ° was performed by Promvonge .
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