Numerical Study of Effect of Compressor Swirling Flow on Combustor Design in a MTE

An effect of the swirling flow on the combustion performance is studied by the computational fluid dynamics （CFD） in a micro-gas turbine with a centrifugal compressor, dump diffuser and forward-flow combustor. The dis- tributions of air mass and the Temperature Pattern Factor （as： Overall Temperatur...

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Published in:Journal of thermal science 2017-08, Vol.26 (4), p.349-354
Main Authors: Mu, Yong, Wang, Chengdong, Liu, Cunxi, Liu, Fuqiang, Hu, Chunyan, Xu, Gang, Zhu, Junqiang
Format: Article
Language:English
Subjects:
Aerodynamics
Centrifugal compressors
Classical and Continuum Physics
Combustion chambers
Compressed air
Computational fluid dynamics
Diffusers
Engineering Fluid Dynamics
Engineering Thermodynamics
Heat and Mass Transfer
Physics
Physics and Astronomy
Pressure loss
Swirling
Temperature distribution
压缩机
压缩空气
数值研究
旋转流
温度分布
燃烧器
计算流体力学
设计
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cited_by cdi_FETCH-LOGICAL-c343t-d2ae9ecf7e73f3c15d71004c4fb841a408f797a02b86b572889a67aab76a95483
cites cdi_FETCH-LOGICAL-c343t-d2ae9ecf7e73f3c15d71004c4fb841a408f797a02b86b572889a67aab76a95483
container_end_page 354
container_issue 4
container_start_page 349
container_title Journal of thermal science
container_volume 26
creator Mu, Yong
Wang, Chengdong
Liu, Cunxi
Liu, Fuqiang
Hu, Chunyan
Xu, Gang
Zhu, Junqiang
description An effect of the swirling flow on the combustion performance is studied by the computational fluid dynamics （CFD） in a micro-gas turbine with a centrifugal compressor, dump diffuser and forward-flow combustor. The dis- tributions of air mass and the Temperature Pattern Factor （as： Overall Temperature Distribution Factor -OTDF） in outlet are investigated with two different swirling angles of compressed air as 0° and 15° in three combustors. The results show that the influences of swirling flow on the air distribution and OTDF cannot be neglected. Compared with no-swirling flow, the air through outer liner is more, and the air through the inner liner is less, and the pres- sure loss is bigger under the swirling condition in the same combustor. The Temperature Pattern Factor changes under the different swirling conditions.
doi_str_mv 10.1007/s11630-017-0948-1
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1993-033X
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subjects Aerodynamics
Centrifugal compressors
Classical and Continuum Physics
Combustion chambers
Compressed air
Computational fluid dynamics
Diffusers
Engineering Fluid Dynamics
Engineering Thermodynamics
Heat and Mass Transfer
Physics
Physics and Astronomy
Pressure loss
Swirling
Temperature distribution
压缩机
压缩空气
数值研究
旋转流
温度分布
燃烧器
计算流体力学
设计
title Numerical Study of Effect of Compressor Swirling Flow on Combustor Design in a MTE
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