收口套筒主燃区流场的PIV测量

林阳; 林宇震; 刘高恩

收口套筒主燃区流场的PIV测量

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

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出版历程
- 收稿日期: 2006-12-05
- 修回日期: 2007-02-25
- 刊出日期: 2007-12-28

PIV experimental study of primary zone flow field of convergent sleeve

School of Jet Propulsion, National Key Laboratory on Aero-engines, Beijing University of Aeronautics and Astronautics, Beijing 100083, China

摘要

摘要: 在常温常压下,采用PIV技术测量了旋流器套筒为收口套筒时单头部矩形燃烧室主燃区的流场,获得了主燃区速度场和涡量场的详细信息.试验结果表明收口套筒形成了小尺度回流区大角涡的主燃区流场结构;收口套筒对旋转气流的收缩作用可以很好的改善燃烧室内油气的混合.
- 航空、航天推进系统 /
- 收口套筒 /
- 旋流器 /
- 燃烧室 /
- 粒子图像测速技术(PIV) /
- 流场
Abstract: The primary zone flow field of the swirler's convergent sleeve was measured by PIVtechnology under atmospheric pressure and temperature,providing detailed information on the primary zone flow field and vorticity field.The results show that the primary zone flow field of the convergent sleeve has a structure of small recirculation and big corner swirls,and the constriction of convergent sleeve on circumgyrated air could improve the mixing of air and fuel in a combustor.
- aerospace propulsion system /
- convergent sleeve /
- swirler /
- combustor /
- particle image velocimetry(PIV) /
- flow field

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参考文献(10)

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