流体机械

2005, (08) 1-3+9

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有叶扩压器入口区域非定常流动的实验测量
Experimental Investigation of the Unsteady Flow in the Inlet Region of Vaned Diffuser Via PIV

张莉,王启杰,陈汉平
ZHANG Li~1;WANG Qi-jie~1;CHEN Han-ping~2(1.Shanghai Institute of Electric Power;

摘要(Abstract):

采用可以获得瞬时速度场的PIV技术,对有叶扩压器入口区域的非流动进行了实验研究,对实验数据采用锁相平均法进行了处理,得到了显示一个周期内不同时刻有叶扩压器入口区域的速度场分布图并对其进行了分析和讨论。
The PIV system which that can record the instantaneous flow field was used to research the flow within the inlet region of vaned diffuser. The experimental data were averaged by Phase-locked averaged Method. The velocity vector distributions when impeller was located in different relative position were got out and analyzed.

关键词(KeyWords): 有叶扩压器;入口区域;非定常流动;实验测量;PIV
vaned diffuser;inlet region;unsteady flow;experiment measure;PIV

Abstract:

Keywords:

基金项目(Foundation): 上海市教委青年基金项目(01QN58)

作者(Authors): 张莉,王启杰,陈汉平
ZHANG Li~1;WANG Qi-jie~1;CHEN Han-ping~2(1.Shanghai Institute of Electric Power;

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