Experimental Investigation of Dynamic and Emission Characteristics of a DLE Gas Turbine Combustor

被引：4

作者：

Xing, Shuangxi ^{[1
]}

Fang, Aibing ^{[1
]}

Song, Quanbin ^{[1
]}

Cui, Yufeng ^{[1
]}

Xu, Yanji ^{[1
]}

Nie, Chaoqun ^{[1
]}

机构：

[1] Chinese Acad Sci, Inst Engn Thermophys, Beijing 100190, Peoples R China

来源：

JOURNAL OF THERMAL SCIENCE | 2013年 / 22卷 / 02期

基金：

中国国家自然科学基金;

关键词：

Dry low emission; combustion instability; numerical simulation; experimental research;

D O I：

10.1007/s11630-013-0610-5

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

The DLE (dry low emission) technology has already been used on industrial gas turbine combustor and the NOX emission can be limited to 25 ppmv (@15% O-2), but one of the destructive effects is combustion instability. In this paper, the dynamic and emission characteristics of a DLE gas turbine combustor have been researched in the authors' laboratory, and the results show that the key source of combustion instability is the non-uniformity of fuel in the flame zone. Two main fuel supply methods have been used to form different fuel distribution types; it is shown that in the perfectly premixed case the emission level is low and combustion process is stable. The PPF also has an obvious effect on the combustor's emission and dynamic characteristics.

引用

页码：180 / 185

页数：6

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