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Natural convection in an internally finned phase change material heat sink for the thermal management of photovoltaics

Biomedical Sciences Research Institute Computer Science Research Institute Environmental Sciences Research Institute Nanotechnology & Advanced Materials Research Institute

Huang, M. J., Eames, P.C, Norton, B. and Hewitt, Neil (2011) Natural convection in an internally finned phase change material heat sink for the thermal management of photovoltaics. Solar Energy Materials and Solar Cells, 95 (7). pp. 1598-1603. [Journal article]

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DOI: doi:10.1016/j.solmat.2011.01.008

Abstract

Elevated operating temperatures reduce the solar to electrical conversion efficiency of building integrated photovoltaic devices (BIPV). Phase change materials (PCM) can be used to passively limit this temperature rise although their effectiveness is limited by their low thermal conductivities and crystallisation segregation during solidification. This paper presents an experimental evaluation of the effects of convection and crystalline segregation in a PCM as a function of efficiency of heat transfer within the finned PV/PCM system. The thermal performances of bulk PCM with crystallisation segregation for different internal fin arrangements are presented. It is noted that the addition of internal fins improves the temperature control of the PV in a PV/PCM system.

Item Type:Journal article
Keywords:Phase changematerial Building integratedphotovoltaic Convection
Faculties and Schools:Faculty of Art, Design and the Built Environment
Faculty of Art, Design and the Built Environment > School of the Built Environment
Research Institutes and Groups:Built Environment Research Institute
Built Environment Research Institute > Centre for Sustainable Technologies (CST)
ID Code:17196
Deposited By:Dr Ming Jun Huang
Deposited On:18 May 2011 12:20
Last Modified:18 May 2011 12:20

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