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Keywords: Heat transfer
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Journal Articles
Article Type: Research Papers
J. Sol. Energy Eng. February 2023, 145(1): 011005.
Paper No: SOL-21-1351
Published Online: July 29, 2022
... 2022 29 07 2022 building floor heating trnsys solar fraction optimization energetic performance energy heat transfer renewable Globally, we are facing two main challenges: energy supply and environmental protection. For challenges, the research and development...
Journal Articles
Article Type: Research Papers
J. Sol. Energy Eng. February 2023, 145(1): 011007.
Paper No: SOL-22-1021
Published Online: July 29, 2022
... points and are reported in the literature. The heat transfer fluid outlet temperature (T htf,o ), thermal energy gained by heat transfer fluid (Q˙ htf ), and ETSC efficiency (ɳ ETSC ) are considered as output/performance parameters. The outcome of the predicted results suggests that the SGDR ML model...
Journal Articles
Article Type: Research Papers
J. Sol. Energy Eng. December 2022, 144(6): 061012.
Paper No: SOL-21-1334
Published Online: June 24, 2022
...K. Roshith; James Varghese This study aims to numerically assess the heat transfer performance of water-in-glass evacuated tube solar water heater (WGET-SWH) for various parameters. It is observed that the natural circulation flowrate, velocity, and temperature distribution are strongly dependent...
Journal Articles
Article Type: Research Papers
J. Sol. Energy Eng. December 2022, 144(6): 061009.
Paper No: SOL-21-1234
Published Online: June 24, 2022
...Wei Li; Liyao Zhu; Qiugang Wang; Zhikou Ding; Limin Zhao; S. A. Sherif In the application of plate heat exchangers (PHEs), fouling has always been an intractable problem that results in decreasing the heat transfer efficiency and increasing the associated pressure drop. Plate heat exchangers...
Journal Articles
Article Type: Research Papers
J. Sol. Energy Eng. December 2022, 144(6): 061010.
Paper No: SOL-22-1084
Published Online: June 24, 2022
...Julia Haltiwanger Nicodemus; Joshua Smith; Alexander Holme; Sarah Johnson; Kyle Petitt The effect of the pitch of a copper coil heat exchanger immersed in a hot water storage tank on heat transfer from the storage tank to the heat exchanger working fluid is investigated. The storage tank...
Journal Articles
Article Type: Research Papers
J. Sol. Energy Eng. December 2022, 144(6): 061006.
Paper No: SOL-21-1002
Published Online: June 20, 2022
... 2022 01 05 2022 20 06 2022 parabolic trough collector secondary reflector non-uniform heat flux solar energy ray-tracing clean energy heat transfer simulation solar receiver thermal power Fossil fuels contribute severe widespread effects to our climate...
Journal Articles
Article Type: Research Papers
J. Sol. Energy Eng. December 2022, 144(6): 061002.
Paper No: SOL-21-1429
Published Online: June 6, 2022
...Kalpana; L. Varshney; Sudhakar Subudhi An experimental and theoretical study has been performed to analyze the heat transfer and pressure drop performance of a double-pass solar air heater having arc-shaped roughness. The investigations are performed for the Reynolds number ranging from 3000...
Journal Articles
Article Type: Research Papers
J. Sol. Energy Eng. October 2022, 144(5): 051009.
Paper No: SOL-21-1169
Published Online: May 10, 2022
... is kept constant. The channel design that gives the best performance was further investigated by incorporating a sinusoidal wavy absorber having variable wavy roughness parameters. The flow and heat transfer characteristics have been evaluated in terms of friction factor (f) and Nusselt number per unit...
Journal Articles
Accepted Manuscript
Article Type: Research Papers
J. Sol. Energy Eng.
Paper No: SOL-22-1036
Published Online: April 18, 2022
... 2022 11 04 2022 18 04 2022 Efficiency Energy heat transfer solar receiver U.S. Department of Energy 10.13039/100000015 33869 Accepted Manuscript Not Copyedited Journal of Solar Energy Engineering. Received February 01, 2022; Accepted manuscript posted April 07, 2022...
Journal Articles
Article Type: Research Papers
J. Sol. Energy Eng. October 2022, 144(5): 051004.
Paper No: SOL-21-1325
Published Online: March 28, 2022
... of India. To perceive the performance enhancement, thermal images were taken for both the cooled and uncooled PV panels. In addition, open-circuit voltage, short-circuit current, and power output were measured. The experimentation is also backed up by numerical simulations to understand the heat transfer...
Journal Articles
Article Type: Technical Briefs
J. Sol. Energy Eng. August 2022, 144(4): 044501.
Paper No: SOL-21-1339
Published Online: March 18, 2022
...Ye Zhang; Xiaoxin Wang; Qichao Hu; Peiwen Li; Qibin Liu; Ben Xu Eutectic salts NaCl-KCl-ZnCl 2 and NaCl-KCl-MgCl 2 are two of the chloride salt systems that are promising for being used as high-temperature heat transfer fluid (HTF) and thermal energy storage (TES) materials in a wide range...
Journal Articles
Article Type: Research Papers
J. Sol. Energy Eng. April 2022, 144(2): 021012.
Paper No: SOL-21-1297
Published Online: January 31, 2022
... as a nanofluid for achieving the required cooling process. The particle concentrations and sizes are investigated to record their effect on heat transfer and pressure drop in the developing and developed regions. The research was performed using ansys cfd software with two different approaches: the single phase...
Journal Articles
Article Type: Research Papers
J. Sol. Energy Eng. April 2022, 144(2): 021008.
Paper No: SOL-21-1192
Published Online: December 27, 2021
... collectors tilt solar collectors solar collectors overall heat loss coefficient collector efficiency heat transfer solar collectors testing As an alternative to conventional fuel heaters, solar collectors manufacturing has been growing considerably, especially the domestic designed low...
Journal Articles
Article Type: Research Papers
J. Sol. Energy Eng. April 2022, 144(2): 021005.
Paper No: SOL-21-1237
Published Online: November 23, 2021
...Zhikou Ding; Wei Li; Lei Wang; Limin Zhao; S. A. Sherif; Ru Wang; Stephan Kabelac Falling film evaporation is widely used in solar desalination systems. Fouling is an important problem to be addressed in many applications involving heat transfer including processes involving the utilization...
Journal Articles
Article Type: Research Papers
J. Sol. Energy Eng. April 2022, 144(2): 021001.
Paper No: SOL-21-1142
Published Online: October 19, 2021
.... The energy equation to find the temperature field is (3) ∂ ∂ t ( ρ E ) + ∇ . ( v → ( ρ E ) ) = ∇ . ( k e f f ∇ T ) + S h Surface-to-surface radiation model is considered when radiative heat transfer occurs between the granular particles...
Journal Articles
Article Type: Research Papers
J. Sol. Energy Eng. February 2022, 144(1): 011006.
Paper No: SOL-20-1525
Published Online: August 23, 2021
... and imported as a boundary condition for wall heat flux in ansys fluent for heat transfer analysis (see the Appendix for details). Figures 12( a ) and 12( b ) show the ray interception in SolTrace and wall heat flux distribution in ansys fluent on the receiver surface under the original and novel...
Journal Articles
Article Type: Research Papers
J. Sol. Energy Eng. February 2022, 144(1): 011001.
Paper No: SOL-21-1100
Published Online: June 29, 2021
...Supreme Das; Agnimitra Biswas; Biplab Das One of the ways to improve the performance of solar air heaters (SAHs) is to use jet impingement on the absorber plate to cause turbulence mixing of air in contact with the plate and thereby augment the heat transfer coefficient. Although the jet...
Journal Articles
Article Type: Research Papers
J. Sol. Energy Eng. December 2021, 143(6): 061011.
Paper No: SOL-21-1040
Published Online: June 29, 2021
... mathematical model. Parameters affecting the thermal performance of the SBSS such as the masses of the basin water and storage material, heat transfer coefficients, and top losses are investigated. The top losses (U t ) for the SBSS with sand is higher than that without sand by about 27.47%. The daily...
Journal Articles
Article Type: Research Papers
J. Sol. Energy Eng. December 2021, 143(6): 061006.
Paper No: SOL-21-1070
Published Online: June 7, 2021
... turbulence model are activated. For the proposed model, the following assumptions are made: Steady state. The 3D-fluid flow is uniform, turbulent, single phase and incompressible. The top surface, the sidewalls, and the bottom surface for all configurations are exposed to heat transfer by convection...
Journal Articles
Article Type: Research Papers
J. Sol. Energy Eng. December 2021, 143(6): 061001.
Paper No: SOL-20-1320
Published Online: April 23, 2021
... loss is not taken into account. The heat exchanges between the components of the system and its thermal resistance network are represented in Figs. 2( a ) and 2( b ) , respectively. Fig. 2 Heat transfer model of the studied collector: ( a ) sketch showing heat exchanges and ( b...