Thermal insulation behavior of a multi-layer orthotropic cylinder

Abu-Hijleh, Bassam A/k and Mohamad Abu-Qudais

Energy, 1998, vol. 23, issue 1, 43-49

Abstract: The problem of heat conduction in a multi-layer, two-dimensional, orthotropic cylinder subject to asymmetric and periodic temperature distribution on the outer wall is solved analytically. Dimensional analysis of the problem shows that heat conduction through the cylinder is a function of the Biot number (Bi) and the following four non-dimensional parameters in each layer: frequency ratio (α*n), thickness ratio (x*n) and radial (K*r,n) and tangential (K*t,n) conduction ratios. The derivation is valid for an arbitrary number of layers and has been used to study the effect of layer order on inter-layer and overall heat transfer. A cylinder composed of two layers is discussed as an example.

Date: 1998
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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:23:y:1998:i:1:p:43-49

DOI: 10.1016/S0360-5442(97)00056-X

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