Accession Number : ADA112813

Title :   Application of the Heat Balance Integral to Conduction Phase Change Problems,

Corporate Author : COLD REGIONS RESEARCH AND ENGINEERING LAB HANOVER NH

Personal Author(s) : Lunardini,Virgil J

PDF Url : ADA112813

Report Date : Dec 1981

Pagination or Media Count : 23

Abstract : The problem of heat conduction with phase change--often called the Stefan problem--includes 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. (Author)

Descriptors :   *Conduction(Heat Transfer), *Heat balance, Phase transformations, Integral equations, Surfaces, Heat flux, Convection(Heat Transfer), Soils, Energy storage

Subject Categories : Soil Mechanics
      Thermodynamics

Distribution Statement : APPROVED FOR PUBLIC RELEASE