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Title: Application of the heat balance integral to conduction phase change problems
Authors: Lunardini, Virgil J.
Keywords: Energy storage
Heat transfer
Heat transmisison
Phase transformations
Thermal conductivity
Heat conduction
Stefan problem
Neumann problem
Publisher: Cold Regions Research and Engineering Laboratory (U.S.)
Engineer Research and Development Center (U.S.)
Series/Report no.: CRREL report ; 81-25.
Description: CRREL Report
Abstract: The problem of heat conduction with phase change-often called the Stefan problem-incluaes some of the most intractable mathematical areas of heat transfer. Exact solutions are extremely limited and approximate methods are widely used. This report discusses the collocation method for the heat balance integral approximation. The method is applied to some standard problems of phase change-Neumann's problem- and a new solution is presented for the case of surface convection for a semi-infinite body. Numerical results are given for soil systems and also for materials of interest in latent heat thermal storage.
Rights: Approved for public release; distribution is unlimited.
Appears in Collections:CRREL Report

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