Analysis and performance evaluation of a cavity roof over a non air-conditioned building

G. S. Kumar Centre for Energy Studies, Indian Institute of Technology, Hauz Khas, New-Delhi, 110016, India

V. Bhardwaj Centre for Energy Studies, Indian Institute of Technology, Hauz Khas, New-Delhi, 110016, India

S. C. Kaushik Centre for Energy Studies, Indian Institute of Technology, Hauz Khas, New-Delhi, 110016, India

SYNOPSIS

The roof as a major heat gain source has been analysed. A cavity roof system has been proposed to reduce the heat gain through the roof and a time dependent analysis carried out to model a non air-conditioned room with such a roof. Parametric studies on the effect of the depth of the cavity from the roof-top surface and the thickness of the air cavity have been carried out. The results presented are found to be valuable aids for passive roof design.

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Analysis and performance evaluation of a cavity roof over a non air-conditioned building

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Analysis and performance evaluation of a cavity roof over a non air-conditioned building

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