Using large eddy simulations to understand combustion instabilities in gas turbines

被引：0

作者：

Poinsot, T ^{[1
]}

Schlüter, J ^{[1
]}

Lartigue, G ^{[1
]}

Selle, L ^{[1
]}

Krebs, W ^{[1
]}

Hoffmann, S ^{[1
]}

机构：

[1] IMF Toulouse, F-31400 Toulouse, France

来源：

IUTAM SYMPOSIUM ON TURBULENT MIXING AND COMBUSTION | 2002年 / 70卷

关键词：

Large eddy simulation; combustion instabilities; swirling flows;

D O I：

暂无

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

This paper presents. a study of the stability of a swirled premixed combustion chamber both with and without reaction using Large Eddy Simulation and a numerical solver able to handle complex geometries. It is shown that cold flow instabilities, which are observed in the nonreacting case (especially precessing vortex cores), are strongly damped in the reacting case, suggesting that these natural flow instabilities are not the first source of combustion instabilities in such configurations.

引用

页码：405 / 413

页数：9

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