Influences of the swirl cup flares design on the small combustor ignition performances

LUO Guo-liang; SONG Shuang-wen; HU Hao-sheng; PENG Jian-yong

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Influences of the swirl cup flares design on the small combustor ignition performances

更新时间：2026-07-07

- Influences of the swirl cup flares design on the small combustor ignition performances
- Vol. 26, Issue 8, (2011)
- 作者机构：
  
  中国航空工业集团公司中国航空动力机械研究所,湖南,株洲,412002
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2011
- 稿件说明：
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LUO Guo-liang, SONG Shuang-wen, HU Hao-sheng, et al. Influences of the swirl cup flares design on the small combustor ignition performances[J]. 2011, 26(8).
DOI：

LUO Guo-liang, SONG Shuang-wen, HU Hao-sheng, et al. Influences of the swirl cup flares design on the small combustor ignition performances[J]. 2011, 26(8). DOI：

摘要

对平滑和扩张套筒出口形状的旋流杯空气雾化喷嘴燃烧室点火性能进行了研究.这两种旋流杯空气雾化喷嘴中

涡流器是两个旋向相反的径向叶片涡流器

喷嘴为单油路离心喷嘴.采用单头部扇形燃烧室

在燃烧室进口为常温常压空气

燃烧室压力降为0.1%~4.0%的条件下

研究了这两种设计的空气雾化喷嘴燃烧室的点火性能.研究发现

扩张套筒出口形状旋流杯燃烧室点火性能大大优于平滑出口套筒形状的点火性能

其原因是套筒出口形状影响了下游的流场和液雾散布

从而导致了点火性能的差异.

Abstract

The small combustor ignition performances were investigated experimentally with arc flare and straight line flare design swirl cup.Both swirl cups have the same primary and secondary radial vane swirler and a simplex pressure atomizer.The ignition experiments were conducted under atmospheric pressure and temperature

and the pressure drop across the flame tube was between 0.1% and 4.0% of inlet total pressure.The ignition results indicate that the ignition performances of swirl cup with straight line flare design are better than those with arc flare design.The flow field and two-phase flow field investigated from previous measurements illuminate the reason of the ignition results.

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Related Institution

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National Key Laboratory of Science and Technology on Aero-Engine Aero-Thermodynamics,School of Energy and Power Engineering,Beijing University of Aeronautics and Astronautics

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