LARGE EDDY SIMULATIONS OF COMBUSTION INSTABILITIES IN A SWIRLED COMBUSTOR

机译：旋流燃烧器内燃烧不稳定性的大涡模拟

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Modern gas turbine combustors feature pressure oscillations with relatively high amplitude levels. This dynamical behavior may lead to flashback or flame blow-out and it is generally unacceptable. This article is concerned with the simulation of this type of unstable behavior. Realistic geometrical data are used and unsteady computations are carried out and compared to experimental data gathered on a model scale system developed by Cambridge University. Calculations described in this article indicate that it is possible to simulate the dynamical behavior of the flame in this type of combustor.

机译：现代燃气轮机燃烧器的压力振荡具有相对较高的幅度水平。这种动态行为可能导致回火或火焰喷出，通常是不可接受的。本文关注这种不稳定行为的模拟。使用了现实的几何数据，进行了非稳态计算，并将其与在剑桥大学开发的模型比例系统上收集的实验数据进行了比较。本文所述的计算表明，可以在这种类型的燃烧器中模拟火焰的动力学行为。

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来源
《IUTAM Symposium on Turbulent Mixing and Combustion, Jun 3-6, 2001, Kingston, Ontario, Canada》|2001年|p.357-366|共10页
会议地点 Kingston(CA)
作者
Sebastien Ducruix; Thierry Poinsot; Sebastien Candel;
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作者单位

Laboratoire E.M2.C., CNRS and ECP Grande Voie des Vignes 92295 Chatenay-Malabry, France;

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会议组织
原文格式 PDF
正文语种 eng
中图分类力学;
关键词
combustion; instability; acoustics; coupling; swirl;

机译：燃烧;不稳定声学;耦合;漩涡;

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4. LARGE EDDY SIMULATIONS OF COMBUSTION INSTABILITIES IN A SWIRLED COMBUSTOR [C] . Sebastien Ducruix, Thierry Poinsot, Sebastien Candel IUTAM Symposium on Turbulent Mixing and Combustion . 2002

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LARGE EDDY SIMULATIONS OF COMBUSTION INSTABILITIES IN A SWIRLED COMBUSTOR

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