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RESEARCH PAPERS: Radiative Transfer

Monte Carlo Simulation of Radiation in Gases With a Narrow-Band Model and a Net-Exchange Formulation

[+] Author and Article Information
M. Cherkaoui, J.-L. Dufresne, A. Lahellec

Laboratoire de Météorologie Dynamique, C.N.R.S.—Université Paris 6, F-75252 Paris Cedex 05, France

R. Fournier

LESETH, Université Paul Sabatier, F-31077 Toulouse Cedex, France

J.-Y. Grandpeix

LESETH, Université Paul Sabatier, F-31077 Toulouse Cedex, France; also Laboratoire de Météorologie Dynamique, C.N.R.S.—Université Paris 6, F-75252 Paris Cedex 05, France

J. Heat Transfer 118(2), 401-407 (May 01, 1996) (7 pages) doi:10.1115/1.2825858 History: Received April 01, 1995; Revised January 01, 1996; Online December 05, 2007

Abstract

The Monte Carlo method is used for simulation of radiative heat transfers in nongray gases. The proposed procedure is based on a Net-Exchange Formulation (NEF). Such a formulation provides an efficient way of systematically fulfilling the reciprocity principle, which avoids some of the major problems usually associated with the Monte Carlo method: Numerical efficiency becomes independent of optical thickness, strongly nonuniform grid sizes can be used with no increase in computation time, and configurations with small temperature differences can be addressed with very good accuracy. The Exchange Monte Carlo Method (EMCM) is detailed for a one-dimensional slab with diffusely or specularly reflecting surfaces.

Copyright © 1996 by The American Society of Mechanical Engineers
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