THE 3-D STRUCTURE OF SWIRL-STABILIZED FLAMES IN A LEAN PREMIXED MULTI-NOZZLE CAN COMBUSTOR

被引：0

作者：

Samarasinghe, Janith ^{[1
]}

Peluso, Stephen J. ^{[1
]}

Quay, Bryan D. ^{[1
]}

Santavicca, Domenic A. ^{[1
]}

机构：

[1] Penn State Univ, Turbulent Combust Lab, University Pk, PA 16802 USA

来源：

ASME TURBO EXPO: TURBINE TECHNICAL CONFERENCE AND EXPOSITION, 2015, VOL 4A | 2015年

关键词：

HEAT RELEASE RATE; INSTABILITIES; DYNAMICS; CONFINEMENT; 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：

Flame structure is an important aspect of the combustion process which must be considered in the design of gas turbine combustors as it can have a significant effect on the combustor's static stability (blowoff) and dynamic stability (combustion instability). The relationship between flame structure and flame stability, has been studied extensively in single-nozzle combustors. However, relatively few studies have been conducted in multi-nozzle combustor configurations typical of actual gas turbine combustion systems. In this paper, a chemiluminescence-based tomographic reconstruction technique is used to obtain three-dimensional images of the flame structure in a laboratory-scale five-nozzle can combustor. The images reveal the complex three-dimensional structure of this multi-nozzle flame, as well as, the effects of interacting. swirling flows, flame-flame interactions and flame-wall interactions on flame structure.

引用

页数：12

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