... 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...

... been found to provide 7.3-25.8% better thermal efficiency than the conventional air heater because of the substantial increase in the effective heat transfer surface area due to the fins. The effects of variation of design, ambient and operating parameters on the performance of the finned solar air...

... Property Value Solar cell Solar cell efficiency at a reference condition 16% Reference temperature (°C) 25 Reference radiation (kJ · h −1 · m −2 ) 3600 Absorptance of solar cell 0.9 Cell area ratio 0.85 Efficiency modifier for temperature (C −1 ) −0.0045 Efficiency modifier...

... 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...

... 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...

..., kWh/m 2 NSRDB station ID Daggett, California 34.9, −116.8 2799 91486 (via SAM) Des Moines, Iowa 41.6, −93.6 1591 757516 (via SAM) North-central Mexico 23.3, −102.5 2789 549592 Northern Chile −21.0, −69.2 3387 1399660 Table 2 Calculation of SAM optical efficiency...

... 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...

... for agrivoltaic farms is the vertical bifacial (VBF) design pioneered by Next2Sun [ 11 , 12 ]. Bifacial solar panels absorb photons from light incident on both the front and the back sides, allowing for greater efficiency [ 13 – 17 ]. While fixed-tilt and tracking designs for agrivoltaic arrays require elaborate...

... thermal and exergy efficiency of an air heater was found to be 70.2 and 4.4%, respectively. The average overall thermal efficiency of carbon nanotubes + copper oxide-paraffin wax energy storage unit was 31.19%, with 11.9% as the average overall exergy efficiency. The energy storage increases the drying...

...) 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...

... 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...

... 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...

... of Wire Screen for Solar Water Heater Application ,” ASME J. Sol. Energy Eng. , 141 ( 3 ), p. 031009 . 10.1115/1.4041737 [23] Wang , P. , and Vafai , K. , 2017 , “ Modeling and Analysis of an Efficient Porous Media for a Solar Porous Absorber With a Variable Pore Structure ,” ASME J...

...@unm.edu Contributed by the Solar Energy Division of ASME for publication in the J ournal of S olar E nergy E ngineering : I ncluding W ind E nergy and B uilding E nergy C onservation . 30 01 2022 09 09 2022 09 09 2022 27 01 2023 absorber efficiency energy...

... 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...

... efficiency energy heat transfer solar receiver U.S. Department of Energy 10.13039/100000015 33869 The interest in solid particle receivers for concentrating solar power (CSP) applications has grown in recent years [ 1 – 9 ] as this technology enables the coupling of a solar thermal...

... of about 64% compared to a smooth tube. β = rib attack angle (°) Δ P = pressure drop gradient along the flow direction (Pa/m) δ ij = Kronecker delta η th = thermal efficiency of the collector θ = receiver angle (°) μ = fluid viscosity (Pa s) μ t...

... particle swarm optimization African vultures optimization algorithm clean energy efficiency renewable As shown in Sec. 4.1 , adjusting the parameters influences the absorbed solar irradiation of PTSC. Increase in l rc and w rc has a positive impact on Q a o A b s...

....9.001842 [25] Wang , D. , and Su , G. , 2014 , “ New Strategy to Promote Conversion Efficiency Using High-Index Nanostructures in Thin-Film Solar Cells ,” Sci. Rep. , 4 ( 1 ), pp. 1 – 7 . [26] Wang , C. , Yu , S. , Chen , W. , and Sun , C. , 2013 , “ Highly...

... collectors in series, respectively. The maximum energy for the single collector is 4.12 kW and 4 kW, while for two collectors connected in series, the maximum energy is 7.08 kW and 6.69 kW. Average thermal efficiency is 4.45% and 4.51% and average exergy efficiency is 9.66% and 15.17% for single and series...