konjes

Konya Journal of Engineering Sciences

2667-8055

Konya Technical University

10.36306/konjes.1336630

Solar Energy Systems

Güneş Enerjisi Sistemleri

THEORETICAL ANALYSIS OF SOLAR THERMOELECTRIC GENERATORS INTEGRATED WITH RADIATIVE COOLER

https://orcid.org/0000-0003-4169-6529

Yusuf

Aminu

İstanbul Üniversitesi-Cerrahpaşa

12 01 2023

11 4 1134 1145 08 07 2023 11 21 2023

2004

Konya Journal of Engineering Sciences

A comprehensive analysis of solar thermoelectric generators integrated with radiative cooling technology (STEG-RC) is presented in this study. Basically, the STEG-RC operates outdoors; therefore, the effects of various weather parameters on the output performance of the STEG-RC are determined. The results reveal that the most efficient way of enhancing the output performance of the STEG-RC is by concentrating solar energy. The radiative cooling power increases linearly with the ambient temperature achieving the maximum cooling power of 135 W/m2 and 232 W/m2 at solar concentration ratios of C = 1 and C = 5, respectively. The maximum output power of 1.5 mW and 459.6 mW at the optimum wind speeds of 3 m/s and 2 m/s are obtained for C = 1 and C = 5, respectively. There were no significant changes in the power output and radiative cooling power when relative humidity was varied. The cooling power is linearly proportional to solar irradiance for both concentrated and unconcentrated cases.

Cooling power Passive cooling Radiative cooling Renewable energy Thermoelectric generator

TÜBİTAK

123E144

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