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Heat Transfer Research
インパクトファクター: 0.404 5年インパクトファクター: 0.8 SJR: 0.264 SNIP: 0.504 CiteScore™: 0.88

ISSN 印刷: 1064-2285
ISSN オンライン: 2162-6561

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Heat Transfer Research

DOI: 10.1615/HeatTransRes.v41.i7.70
pages 787-799

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

Xiao Yu
National Key Lab. on Aero-Engines, School of Jet Propulsion, BUAA, Beijing; and bShenyang Aeroengine Design and Research Institute, Aviation Industry Corporation of China, Shenyang, China
Xiang Luo
National Key Laboratory of Science and Technology on Aero-Engines, Beijing University of Aeronautics and Astronautics, Beijing, 100191, China
Jining Sun
National Key Laboratory of Science and Technology on Aero-Engines, School of Jet Propulsion, Beihang University, Beijing, 100191, China
Guoqiang Xu
National Key Laboratory of Science and Technology on Aero-Engines, School of Jet Propulsion, Beihang University, Beijing, 100191, China; School of Energy Science and Engineering, Harbin institute of Technology, Harbin, 150001, China
Hongwu Deng
National Key Laboratory of Science and Technology on Aero-Engines, School of Jet Propulsion, Beihang University, Beijing, 100191, China
E. N. Shen
College of Aerospace Engineering, NUAA, Nanjing, 210016, China

要約

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 × 105 and a nondimensional mass flow rate of 1.32 × 104.


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