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Abstract
The use of thermal insulation to minimize solar heat gains in summer and night heat losses in winter through the roof has gained considerable popularity in western countries. Uninsulated roof sections would give rise to a very uncomfortable indoor thermal environment and demand increased heating or cooling costs. The addition of thermal insulation will bring down both these quantities considerably. A method has been proposed for working out the optimum thickness of insulation both for conditioned and unconditioned buildings applying periodic heat flow theory. The optimum thickness has been found to depend upon the type of roof, range of density and total cost of insulation system. The optimum thickness of insulation has been found to be approximately the same for both summer and winter conditions.
The use of thermal insulation to minimize solar heat gains in summer and night heat losses in winter through the roof has gained considerable popularity in western countries. Uninsulated roof sections would give rise to a very uncomfortable indoor thermal environment and demand increased heating or cooling costs. The addition of thermal insulation will bring down both these quantities considerably. A method has been proposed for working out the optimum thickness of insulation both for conditioned and unconditioned buildings applying periodic heat flow theory. The optimum thickness has been found to depend upon the type of roof, range of density and total cost of insulation system. The optimum thickness of insulation has been found to be approximately the same for both summer and winter conditions.
Date
9/1974
9/1974
Author(s)
Agarwal, K
Agarwal, K
Page(s)
Paper 15
Paper 15
Source
Society of Chemical Industry
Society of Chemical Industry
Keyword(s)
thermal insulation; tropics; solar heat gain; periodic heat flow;
thermal insulation; tropics; solar heat gain; periodic heat flow;