NDLI: Modeling and comparative analysis of jet impingement cooling and conventional channel cooling for photovoltaic strings

Content Provider	IEEE Xplore Digital Library
Author	Bahaidarah, H.M.S. Baloch, A.A.B. Gandhidasan, P.
Copyright Year	2014
Description	Author affiliation: Center of Res. Excellence in Renewable Energy, King Fahd Univ. of Pet. & Miner., Dhahran, Saudi Arabia (Bahaidarah, H.M.S.) \|\| Mech. Eng. Dept., King Fahd Univ. of Pet. & Miner., Dhahran, Saudi Arabia (Baloch, A.A.B.; Gandhidasan, P.)
Abstract	A cooling technique for photovoltaic (PV) string based on jet impingement device is proposed in this study to eliminate non-uniform cooling across the surface of the PV panel. Non- uniformity on the PV panel arises due to the uneven solar flux distribution and temperature variations across the cell. This study identifies water jet impingement cooling as a promising solution to provide uniform cooling of PV panels for the climatic data of Middle Eastern region. The complete cooling model incorporates optical, radiation, thermal, electrical and jet cooling model for the overall performance analysis of the PV system. Jet impingement cooling model for PV string is developed in this paper to carry out the heat transfer analysis for single and multiple jet nozzles to predict the cell temperature, power output and conversion efficiency of PV strings. Detailed thermal model based on energy balance approach is also developed to assess the effect of cell temperature on the PV string using average heat transfer correlations. Finally, a comparative analysis is carried out for rectangular channel heat exchanger and jet cooling of PV strings subjected to the conditions of Dhahran. The results reveal that the jet cooling has higher efficiency, minimum cell temperature and temperature uniformity.
Starting Page	0748
Ending Page	0753
File Size	823836
Page Count	6
File Format	PDF
e-ISBN	9781479943982
DOI	10.1109/PVSC.2014.6925028
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-06-08
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Cooling Analytical models Heating Mathematical model Heat transfer Temperature distribution Photovoltaic cells thermal management cooling jet impingement modeling photovoltaic cells
Content Type	Text
Resource Type	Article

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