Conference article

Analytical Model and Experimental Validation of the Heat Transfer and the Induced Flow in a PV Cooling Duct in Environmental Conditions

R. Mazón
Thermal and Fluid Engineering Department, Technical University of Cartagena, Murcia, Spain

A. S. Káiser
Thermal and Fluid Engineering Department, Technical University of Cartagena, Murcia, Spain

B. Zamora
Thermal and Fluid Engineering Department, Technical University of Cartagena, Murcia, Spain

J. R. García
Thermal and Fluid Engineering Department, Technical University of Cartagena, Murcia, Spain

F. Vera
Thermal and Fluid Engineering Department, Technical University of Cartagena, Murcia, Spain

Download articlehttp://dx.doi.org/10.3384/ecp110572907

Published in: World Renewable Energy Congress - Sweden; 8-13 May; 2011; Linköping; Sweden

Linköping Electronic Conference Proceedings 57:29, p. 2907-2915

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Published: 2011-11-03

ISBN: 978-91-7393-070-3

ISSN: 1650-3686 (print), 1650-3740 (online)

Abstract

This paper describes a model to account for the heat transfer and the convective flow induced in the interior of a channel inclined 35° with respect to the horizontal; formed by a photovoltaic panel and an adiabatic plate. The model developed is validated experimentally by measurements made on an experimental prototype. The solar installation consists of two photovoltaic panels integrated with air ducts on the top of a building in southern Spain. The objective is to determine the temperature reached by the photovoltaic module in this configuration. This model considers the processes of heat transfer by radiation and convection on the outside for several atmospheric conditions (wind speed; ambient temperature and incident radiation) and for different geometrical and physical characteristics of the PV cooling duct (plate area; module performance; emission and absorption coefficients). Good agreement has been obtained between the experimental data and the results of this model.

Keywords

PV cooling duct; solar experimental facilities; efficiency solar panels

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