Analyses of non-Fourier heat conduction in 1-D cylindrical and spherical geometry - An application of the lattice Boltzmann method

被引：35

作者：

Mishra, Subhash C. ^{[1
]}

Sahai, Harsh ^{[1
]}

机构：

[1] IIT Guwahati, Dept Mech Engn, Gauhati 781039, India

来源：

INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER | 2012年 / 55卷 / 23-24期

关键词：

Non-Fourier heat conduction; Cylindrical and spherical geometry; Lattice Boltzmann method; Finite volume method; NUMERICAL-SOLUTION; COORDINATE SYSTEM; ENERGY EQUATION; RADIATION; LEQUATION;

D O I：

10.1016/j.ijheatmasstransfer.2012.07.014

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

This article deals with the implementation of the lattice Boltzmann method (LBM) for the analyses of non-Fourier heat conduction in 1-D cylindrical and spherical geometries. Evolution of the wave like temperature distributions in the medium is obtained, and analysed for the effects of different sets of thermal perturbations at the inner and the outer boundaries of the geometry. The LBM results are validated against those available in the literature, and those obtained by solving the same problems using the finite volume method (FVM). Results of the LBM are in excellent agreement with those reported in the literature, and with the results from the FVM. Computationally, the LBM has an advantage over the FVM. (C) 2012 Elsevier Ltd. All rights reserved.

引用

页码：7015 / 7023

页数：9

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