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Innovative Overheating solution for solar thermal collector using a reflective surface included in the air gap.

Amiche, A., Hassar, S.M., Larabi, A., Khan, Z. A., Khan, Z., Aguilar, F.J. and Quiles, P.V., 2020. Innovative Overheating solution for solar thermal collector using a reflective surface included in the air gap. Renewable Energy: An International Journal, 151 (May), 355-365.

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DOI: 10.1016/j.renene.2019.11.023

Abstract

In this work, a new solution to prevent the overheating of solar collectors in the case of stagnation is presented. The solution proposed consists of inserting a reflective sheet inside the solar collector between the absorber and the glass cover to reduce the incoming energy by reflecting solar radiation. This protection is switched ON or OFF according to the absorber temperature. A prototype has been manufactured and tested in outside conditions and in laboratory. A numerical model of the solar collector with the protection was developed and has been validated. The calculated temperature values are very close to the measured data. The experimental and numerical results showed the good behaviour of the proposed solution.

Item Type:Article
ISSN:0960-1481
Uncontrolled Keywords:Flat plate solar collector ; Stagnation ; Shading protection ; Experimentations ; Modelling
Group:Faculty of Science & Technology
ID Code:33015
Deposited By: Unnamed user with email symplectic@symplectic
Deposited On:11 Nov 2019 09:33
Last Modified:31 Mar 2020 13:50

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