Wall effects in heat conduction through a heterogeneous material

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journalpeer-review

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Original languageEnglish
Pages (from-to)1945-1955
Journal / PublicationInternational Journal of Heat and Mass Transfer
Issue number13
Publication statusPublished - Sep 1994
Externally publishedYes


It is shown that wall effects may significantly alter heat flow through heterogeneous material. These effects can be accurately modelled using the concept of the apparent wall heat transfer coefficient αw. A method for exact evaluation of αw is proposed and is used for testing of the ad hoc formulae available in literature. The formula proposed by Kubie (1987) gives the smallest errors and is recommended for use in simplified heat transfer calculations. © 1994.

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