Document Type : Research Paper
Authors
Mechanical Engineering Techniques of Power, Engineering Technical College of Al-Najaf, Al-Furat Al-Awsat Technical University, Al-Najaf, Iraq.
10.30772/qjes.2024.145157.1057
Abstract
A steady-state effect analysis of enhancing the cooling performance of a photovoltaic/thermal (PV/T) collector using a damper that changes the flow direction with the multi-flow channel is investigated numerically and experimentally. The study aims to improve the electrical efficiency of PV/T systems with turbulent generation to increase exchange between absorbent panels and airflow with less pressure drop. The effect of different mass flux rates (MFR) of (0.04, 0.05, 0.06, 0.07, and 0.08) kg/s, and various solar flux of (600, 800, and 1000)W/m^2 on solar cell (PV) temperature and PV/T system performance is studied under indoor test conditions. The results indicated that the air temperature is inversely proportional to the air MFR, and the overall efficiency highly depends on the air MFR and solar flux intensity. In addition, the experiment result shows that the higher value at air MFR (0.04-0.08)kg/s, solar flux (1000 W/m^2) for electrical, thermal, and overall efficiency are (17.03%, 74.14%, and 90.4%), respectively. Moreover, The percentage output power its (28.44%) by (15.93) W leads to pioneering results compared to previous studies
Keywords
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