Effect of different fuel-air matching forms on combustion performance of trapped vortex combustor

XING Fei; FAN Wei-jun; LIU Yang; KONG Zhao-jian; LIU Yu-ying; YANG Mao-lin

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Effect of different fuel-air matching forms on combustion performance of trapped vortex combustor

更新时间：2026-07-07

- Effect of different fuel-air matching forms on combustion performance of trapped vortex combustor
- Vol. 23, Issue 5, (2008)
- 作者机构：
  
  北京航空航天大学能源与动力工程学院航空发动机气动热力重点实验室,北京,100083
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2008
- 稿件说明：
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XING Fei, FAN Wei-jun, LIU Yang, et al. Effect of different fuel-air matching forms on combustion performance of trapped vortex combustor[J]. 2008, 23(5).
DOI：

XING Fei, FAN Wei-jun, LIU Yang, et al. Effect of different fuel-air matching forms on combustion performance of trapped vortex combustor[J]. 2008, 23(5). DOI：

摘要

针对一种以煤油为燃料的驻涡燃烧室（TVC）

在前期研究的基础上对其前体油气匹配进行几种结构改进

并在试验中重点进行油气匹配和后体进气量的改变对燃烧室燃烧性能的影响.针对其应用于涡轮前及涡轮间二级燃烧的前景

试验中驻涡燃烧室仅采用凹腔供油.试验结果表明

采用改进后供油蒸发管的燃烧效率比改进前提高了12%;在试验条件下

当凹腔当量比小于1.5时燃烧效率达到95%以上.各个方案在不同工况下

出口热点温度分布系数f在0.050.015之间.

Abstract

To investigate the combustion efficiency and temperature distribution performance of a trapped vortex combustor(TVC)test rig

many experiments were conducted for structural improvement of fuel-air matching under various inlet conditions. Concavity oil supply was applied to TVCduring the experiment in view of the secondary combustion in front of and between turbines.The results of the experiment indicate that

the combustion efficiency could increase by 12%;when the concavity equivalence ratio is less than1.5

the combustion efficiency will reach over 95%;Pattern factor(f) of all the cases is between0.05 and 0.015 in various working conditions.

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