Optics and Photonics Journal
Volume 4, Issue 8 (August 2014)
ISSN Print: 2160-8881 ISSN Online: 2160-889X
Google-based Impact Factor: 0.85 Citations
New Approach to Modeling a Solar Cell in Relation to Its Efficiency—Laplace Transform Technique ()
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ABSTRACT
Heating a solar cell subjected to incident solar irradiance is studied. Laplace Integral Transform technique is applied to get the temperature field within the cell. The efficiency as a function of the cell temperature is estimated, and its variation with the local day time is thus clarified. Different cooling levels are considered. An illustrative example is given. The results show that the diurnal temperature variation of the cell is significant, while the efficiency is revealed to be a slowly varying function of temperature along the day time. It is revealed that as the temperature of the cell increases the efficiency decreases. Thus shading and cooling conditions may be useful to increase its efficiency.
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