Energetic and exergetic analysis of jet impingement solar thermal collector featuring discrete multi-arc shaped ribs absorber surface

Sashank Thapa, Raj Kumar and Daeho Lee

Energy, 2024, vol. 306, issue C

Abstract: This study analytically examines the thermal, effective, and exergetic efficiency of a jet impingement solar thermal collector (JISTC) roughened with discrete multi-arc-shaped ribs (DMASRs). To accurately estimate the energy usage of the JISTC, these efficiencies are assessed using a parametric design and the temperature rise parameter. A numerical model of the thermal, effective, and exergy analyses of the STC is presented to examine its impacts on each design variable. Optimized parameters increase exergetic efficiency (ηexergetic) by 2.77 times over smooth plates. A multi-objective optimization of the JISTC roughened with DMASRs is carried out. Effective and exergetic efficiency are used as objective functions to find Pareto front optimal solutions. Additionally, an economic, enviroeconomic, exergoeconomic, and energy payback time (EPBT) examination of the JISTC is presented in this investigation. According to the economic evaluation of the JISTC system, the energy cost is found to be 0.08 $/kWh and the exergoeconomic parameter (Rg,ex) is computed to be 0.26 kW h/$. The enviroeconomic analysis findings suggest that the JISTC can reduce approximately 51.15 tons of CO2 emissions per year. The energy payback time based on energy streams ((EPBT)en) is determined to be 0.34 years, while the energy payback time based on exergy streams ((EPBT)ex) is found to be 14.9 years.

Keywords: Solar thermal collector; Exergetic efficiency; Exergoeconomic analysis; Enviroeconomic analysis; Multi-objective optimization (search for similar items in EconPapers)
Date: 2024
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Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:306:y:2024:i:c:s0360544224021662

DOI: 10.1016/j.energy.2024.132392

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