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Date of Publication:2022-10-09

Journal:中国科学 物理学 力学 天文学

Affiliation of Author(s):运载工程与力学学部

Volume:41

Issue:3

Page Number:302-308

ISSN No.:1674-7275

Abstract:A boundary element method is presented for solving radiation-conduction
   coupling heat transfer problems.Two heat transfer processes are coupled
   by using radiation sources.Firstly,equations of radiative heat
   transfer,radiative heat source and heat conduction are discretized using
   BEM,respectively.Secondly,the radiative heat flux in radiative heat
   source equation is eliminated using radiative heat transfer
   equation.Then,a set of nonlinear equations is obtained according to the
   Stefan-Boltzmann law.All domain integrals appearing in integral
   equations are converted into equivalent boundary integrals using the
   radial integration method(RIM),which results in a pure BEM algorithm
   only needing boundary discretization even for participating
   media.Finally,The Newton-Raphson iteration method is adopted to solve
   the non-linear system of equations.Numerical examples are given to
   illustrate the accuracy and effectiveness of the developed technique.

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