A computationally efficient procedure for calculating gas radiative properties using the exponential wide band model

被引:42
作者
Lallemant, N
Weber, R
机构
[1] Intl. Flame Research Foundation, 1970 CA IJmuiden
关键词
D O I
10.1016/0017-9310(95)00400-9
中图分类号
O414.1 [热力学];
学科分类号
摘要
A procedure to optimize the radiative property Calculations of gas-mixtures using the exponential wide band model (EWBM) is described in this paper. The procedure is applicable to any nitrogen-gas mixtures containing H2O, CO2, CH4, CO, SO2, NO, C2H2, N2O and NH3. The use of this procedure in calculating the total emissivity of H2O-CO2 mixtures yields computational times comparable to those required by conventional emissivity correlations. The generality of the EWBM, along with minimized computational requirements, makes the procedure very attractive for incorporation into CFD codes for flame calculations. The coupling of the EWBM with classical solution methods of the RTE is discussed. Copyright (C) 1996 Elsevier Science Ltd.
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页码:3273 / 3286
页数:14
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