Experimental Characterization of Premixed Flame Instabilities of a Model Gas Turbine Burner

被引：0

作者：

Kai-Uwe Schildmacher

Rainer Koch

Hans-Jörg Bauer

机构：

[1] University of Karlsruhe,Institute of Thermal Turbomachinery

来源：

Flow, Turbulence and Combustion | 2006年 / 76卷

关键词：

flame instabilities; flow instabilities; gas turbine; combustion oscillations;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

In recent years, the NOx emissions of heavy duty gas turbine burners have been significantly reduced by introducing premixed combustion. These highly premixed burners are known to be prone to combustion oscillations. In this paper, investigations of a single model gas turbine burner are reported focusing on thermo-acoustic instabilities and their interaction with the periodic fluctuations of the velocity and pressure. Phase-locked optical measurement techniques such as LDA and LIF gave insight into the mechanisms.

引用

页码：177 / 197

页数：20

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