Volume 24, Issue 1 (7-2005)
2005, 24(1): 299-314 |
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R. Hosseini, M. Vaziri, and M. Bidi. Temperature Distribution of a Non gray Gas between Two Parallel Planes Using Exponential Wide Band Model. Journal of Advanced Materials in Engineering (Esteghlal) 2005; 24 (1) :299-314
URL: http://jame.iut.ac.ir/article-1-346-en.html
URL: http://jame.iut.ac.ir/article-1-346-en.html
Abstract: (5745 Views)
In this paper, the Radiation Transfer Equation(RTE) for a non-gray gas between two large parallel planes has been
solved and the temperature distribution obtained. With the RTE, solution heat fluxes are also determined. Since and are two components of most combustion products, the problem has been solved for these two gases. The results were, whenever possible, compared with data reported elsewhere. Since the simulation of exact absorbing bands has been used, it can be claimed to be relatively close to exact solution. From the results otained, it can be maintained that treating, the above mentioned gases as a gray gas could cause considerable errors in the determination of temperature distribution and heat fluxes. The error would be more for water vapour than for carbon dioxide.
Keywords: Gas radiation, Non-gray gas, Carbon dioxide, RTE, Temperature distribution, Gas absorbtivity and emissivity
