Journal
APPLIED THERMAL ENGINEERING
Volume 182, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.applthermaleng.2020.115613
Keywords
Non uniform; Perovskite; Dye sensitized; Photovoltaic; Solar cell
Funding
- EPSRC [EP/K03619X/1]
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In this study, three dimensional analysis of solar cells under non-uniform solar flux was conducted, aiming to obtain an analytical expression for the three dimensional non-uniform temperature distribution of the cell. The effects of wind direction, wind speed, inclination, and solar irradiance on temperature distribution, heat losses and cell efficiency were investigated for different types of solar cells. The results showed that efficiency decreases with an increase in wind azimuthal from 0 degrees to 90 degrees for all types of solar cells.
For low/high concentration, when the distribution of solar radiation is non-uniform over the surface of the solar cell, it gets heated up non-uniformly which affects the cell efficiency. Thus, in the present work, three dimensional analysis of the solar cells is carried out under non-uniform solar flux. It involves partial differential equations. For silicon cells, studies are available that use numerical techniques (involving iterations) to solve the differential equations. However, if the differential equations can be solved analytically, one can get an analytical expression for three dimensional non-uniform temperature distribution of the cell. The current work aims at it. Dye-sensitized (DSSC), perovskite and mono-Si cells are investigated. The effects of wind direction, its speed, inclination and solar irradiance on the three dimensional temperature distribution, heat losses and cell efficiency have been investigated. It is concluded that with increase in wind azimuthal from 0 degrees to 90 degrees, the efficiency decreases from 22.1% to 21.3% for mono-Si, 19.0% to 18.0% for perovskite and 12.0% to 11.9% for DSSC.
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