Simulation of Natural Convection in the Presence of Volumetric Radiation Using the Lattice Boltzmann Method

被引：90

作者：

Mondal, Bittagopal ^{[1
]}

Mishra, Subhash C. ^{[1
]}

机构：

[1] Indian Inst Technol Guwahati, Dept Mech Engn, Gauhati 781039, India

来源：

NUMERICAL HEAT TRANSFER PART A-APPLICATIONS | 2009年 / 55卷 / 01期

关键词：

SQUARE CAVITY; HEAT-TRANSFER; SURFACE RADIATION; CONDUCTION; ENCLOSURE; TRANSIENT; SLIP; AIR;

D O I：

10.1080/10407780802603121

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

This article deals with the application of the lattice Boltzmann method (LBM) to the analysis of natural convection in the presence of volumetric radiation in a square cavity containing an absorbing, emitting, and scattering medium. Separate particle distribution functions in the LBM are used to calculate the density and velocity fields and the thermal field. The radiative term of the energy equation is computed using the finite-volume method. Streamlines, isotherms, and Nusselt number are analyzed for the effects of different parameters such as Rayleigh number, convection-radiation parameter, extinction coefficient, and scattering albedo.

引用

页码：18 / 41

页数：24

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