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Keywords: efficiency
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Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. June 2024, 146(3): 031011.
Paper No: SOL-23-1157
Published Online: December 11, 2023
.... The energy efficiency ratio has a maximum value of 6.1, with an average of 4.3, whereas the thermal COP has an average of 0.35 and a maximum value of 0.52 when run with thermal energy storage alone. Fig. 9 Heat supplied to the generator and produced cooling effect when VAC supplied heat taking thermal...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. June 2024, 146(3): 031002.
Paper No: SOL-23-1054
Published Online: October 31, 2023
... about 10.4 °C higher temperature gains in concentrating DASC system, and the photo-thermal efficiency was enhanced up to 40% as compared to base fluid water. The study demonstrates the advantage of an eco-friendly, low cost, and highly stable hybrid heat transfer fluid as a potential candidate...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. April 2024, 146(2): 021009.
Paper No: SOL-23-1079
Published Online: October 31, 2023
... temperature, Reynolds number, nanoparticle size, and concentration in order to record the subsequent effects on the deposition efficiency, heat transfer coefficient, and pressure drop. There is no direct particle deposition model available in commercial computational packages such as fluent , so a deposition...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. June 2024, 146(3): 031001.
Paper No: SOL-22-1309
Published Online: October 31, 2023
... coefficient is compared to that obtained for a traditional circular-shaped tube. Moreover, the energy balance model is adapted to simulate the thermal efficiency of the considered tubes as a function of the deviation angle with some assumptions. The obtained results prove that from a deviation angle value...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. April 2024, 146(2): 021003.
Paper No: SOL-23-1086
Published Online: September 27, 2023
... 09 08 2023 27 09 2023 CFD circular and triangular geometry pitch ratio height ratio heat transfer enhancement thermal performance clean energy efficiency renewable simulation solar sustainability A solar air heater (SAH) is one of the traditional solar collector...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. April 2024, 146(2): 021001.
Paper No: SOL-23-1014
Published Online: September 13, 2023
... in building facades due to their high photoelectric efficiencies [ 74 ]. The present study assessed four viable combinations of SCP technologies precisely: (1) STPV–VCC; (2) ETC–ORC–VCC; (3) ETC–KC–VCC; and (4) ETC–TLC–VCC. Computer modeling is essential for assessing the transient performance...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. December 2023, 145(6): 061011.
Paper No: SOL-23-1093
Published Online: August 16, 2023
... on a typical summer day in Jeddah, we found that the integrated system could fulfill the cooling and power demands of the medical center under study with an exergetic efficiency of 53.97%. From an economics perspective, the integrated system was found to deliver cooling and power with average unit costs...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. December 2023, 145(6): 061010.
Paper No: SOL-23-1085
Published Online: August 16, 2023
... if they were to operate separately to meet the same cooling load. In addition, the article investigates the impact of a performance-enhanced parabolic trough collector (PEPTC) on the thermal and exergetic efficiencies of the solar cooling system. By employing a PEPTC, the area required for the solar field...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. December 2023, 145(6): 061009.
Paper No: SOL-23-1070
Published Online: May 4, 2023
... and exergetic efficiencies of multigeneration systems. These equivalent efficiencies will be used as performance indicators of a multigeneration system as if it were producing only one of its products. The new procedure will be applied to three case studies in this paper. Results of this work indicate...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. December 2023, 145(6): 061007.
Paper No: SOL-22-1282
Published Online: May 2, 2023
... (i.e., a separate inverter per module layer), but on a module-by-module basis. Our results should be scalable to other module brands based on their absolute solar conversion efficiency and the local solar resource intensity. The present data were derived from a 420 W module with 20.67% solar...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. December 2023, 145(6): 061003.
Paper No: SOL-22-1313
Published Online: April 5, 2023
...) and parallel (m) combinations for a given number of N (=n × m) collectors for maximum overall exergy depending on thermal and electrical energies which have not been considered yet so far. Further, a new expression has also been developed for the heat removal factor and instantaneous thermal efficiency...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. December 2023, 145(6): 061002.
Paper No: SOL-22-1080
Published Online: March 23, 2023
... that the generator PV can accurately forecast the MPP, as well as the efficacy of the suggested MPPT technique. The provided approach’s effectiveness has been validated by a comprehensive comparison with different methods, resulting in the greatest efficiency of 99.88% for BSSTAC. 1 Corresponding author...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. December 2023, 145(6): 061001.
Paper No: SOL-22-1135
Published Online: March 22, 2023
... current, pump flowrate, and pump efficiency. The paper’s novelty lies behind the relatively low-cost real-time execution of PI/FOPI-based MPPT techniques on SPPS. This work was simulated using matlab / simulink in conjunction with Arduino-based RT-HIL and the experimental validation was implemented...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. October 2023, 145(5): 051002.
Paper No: SOL-22-1293
Published Online: January 27, 2023
... ngineering : I ncluding W ind E nergy and B uilding E nergy C onservation . 11 11 2022 26 12 2022 29 12 2022 27 01 2023 solar water heating system flat-shaped heat pipe innovative heat transfer device analytical solution collector efficiency energy thermal power...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. August 2023, 145(4): 041010.
Paper No: SOL-22-1032
Published Online: January 27, 2023
... ]. However, during the on-sun operation of the FPR, particle egress through the front aperture has been observed, forming a particle plume that is carried by the wind; not only does this result in potential pollution hazards but also on loss of particle inventory in the system as well as heat and efficiency...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Sol. Energy Eng. August 2023, 145(4): 041008.
Paper No: SOL-21-1286
Published Online: January 17, 2023
... olar E nergy E ngineering : I ncluding W ind E nergy and B uilding E nergy C onservation . 18 08 2021 31 12 2022 31 12 2022 17 01 2023 Nusselt number solar air heater overall performance factor trapezoidal duct Reynolds number friction factor efficiency...