Application of composition PDF methods in the investigation of turbulence-radiation interactions

被引：95

作者：

Li, GN ^{[1
]}

Modest, MF ^{[1
]}

机构：

[1] Penn State Univ, Dept Mech Engn, University Pk, PA 16802 USA

来源：

JOURNAL OF QUANTITATIVE SPECTROSCOPY & RADIATIVE TRANSFER | 2002年 / 73卷 / 2-5期

基金：

美国国家科学基金会;

关键词：

turbulence-radiation interactions; PDF method; correlated-k;

D O I：

10.1016/S0022-4073(01)00218-7

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The composition probability density function (PDF) method is used to study radiating reactive flows. The method is able to treat turbulence-radiation interactions (TRI) in a rigorous way: many unclosed terms due to TRI in the traditional Reynolds-averaging process can be calculated exactly and all others can be accurately modeled by using the optically thin eddy approximation. The application of the method is demonstrated by considering a simplified methane/air diffusion flame, which shows enhancement of the radiative fluxes as a result of TRI. The importance of considering different TRI terms is investigated, indicating that the absorption coefficient-Plank function correlation is the most important. (C) 2002 Elsevier Science Ltd. All rights reserved.

引用

页码：461 / 472

页数：12

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