円管内旋回流場での温度分離効果に与える音響現象の影響 : 第1報,実験

概要

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The total temperature separation of gas is produced by a swirling flow-field in a circular tube. This device is called the vortex-tube or the Ranque-Hilsch tube. When whistling is produced within the swirling flow in the vortex-tube, the tangential velocity distribution in the radial direction is deformed toward the forced vortex type in the whole region. This is caused by the acoustic streaming induced by the whistling. The whistling in the vortex-tube of a counter-flow type is produced by the area contraction having a rectifier effect on the hot-gas flow near the tube wall. As a result, the efficiency of temperature separation by the vortex-tube improves. However, the complex flow configuration induced by the contraction also affects the temperature separation.
一般社団法人日本機械学会の論文
1985-12-25