LDA-Based Experimental Investigation of Velocity Pulsations in the Vortex Tube

被引:0
|
作者
Kabardin, I. K. [1 ]
Yavorsky, N. I. [1 ]
Pravdina, M. Kh. [1 ]
Gordienko, M. R. [1 ]
Kakaulin, S. V. [1 ]
Zubanov, K. S. [1 ]
Bakakin, G. V. [1 ]
Meledin, V. G. [1 ]
机构
[1] Russian Acad Sci, Kutateladze Inst Thermophys, Siberian Branch, Novosibirsk, Russia
基金
俄罗斯科学基金会;
关键词
Vortex flow;
D O I
10.1134/S1810232824030032
中图分类号
O414.1 [热力学];
学科分类号
摘要
Detailed experimental data on the kinematic characteristics of the flow in a vortex tube along its entire length are presented and analyzed. Experimental data obtained in a vortex tube with square cross-section of the working channel were compared at three values of the cold mass fraction: 0.4, 0.5, and 0.75 with the air expansion ratio in the apparatus of pi = 5. The behavior of standard deviations from the mean values of velocity components is analyzed. The noticeable peaks in the percentage of standard deviation from the longitudinal mean velocity component are observed in the area of the near wall flow temperature growth along the tube.
引用
收藏
页码:478 / 484
页数:7
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