PIV Measurements of the Flow in a Rotating Cavity with a Radial Inflow

被引：0
|
作者：
Yu, X. [1 ,2 ]
Luo, X. [1 ]
Sun, J. N. [1 ]
Xu, G. Q. [1 ]
Deng, H. W. [1 ]
Shen, E. N. [3 ]
机构：
[1] BUAA, Sch Jet Prop, Natl Key Lab Sci & Technol Aeroengine Aerothermod, Beijing 100191, Peoples R China
[2] Aviat Ind Corp China, Shenyang Aeroengine Design & Res Inst, Shenyang 110015, Peoples R China
[3] NUAA, Coll Aerosp Engn, Nanjing 210016, Peoples R China
来源：
HEAT TRANSFER RESEARCH | 2010年 / 41卷 / 07期
关键词：
PIV; rotating cavity; radial inflow; fluid flow;
D O I：
10.1615/HeatTransRes.v41.i7.70
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
This paper presents measurements of the flow in a rotating cavity with a radial inflow using particle image velocimetry (PIV). Under experimental conditions, the flow structure was found to be unstable and the source region to be filling the whole cavity. The ensemble-average velocity field in the rotating cavity is discussed in this paper. With this data, the nondimensional core velocity could be acquired and used to estimate the total pressure loss in a rotating cavity with a radial inflow. At the same time, the PIV measurements could provide the spatial distribution of the instantaneous velocity. Experiments were conducted with a rotational Reynolds number of 3.97 x 10(5) and a nondimensional mass flow rate of 1.32 x 10(4).
引用
收藏
页码：787 / 799
页数：13
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