Flow structure and mechanism of heat transfer in a Ranque-Hilsch vortex tube

被引：19

作者：

Akhmetov, D. G. ^{[1
]}

Akhmetov, T. D. ^{[2
,3
]}

机构：

[1] Lavrentiev Inst Hydrodynam, 15 Lavrentieva Prospekt, Novosibirsk 630090, Russia

[2] Budker Inst Nucl Phys, 11 Lavrentieva Prospekt, Novosibirsk 630090, Russia

[3] Novosibirsk State Univ, 2 Pirogova St, Novosibirsk 630090, Russia

来源：

EXPERIMENTAL THERMAL AND FLUID SCIENCE | 2020年 / 113卷

关键词：

Ranque-Hilsch vortex tube; Laser Doppler anemometry; Flow structure; Ranque effect; Heat transfer; ENERGY SEPARATION; NUMERICAL INVESTIGATIONS; MODEL; PUMP;

D O I：

10.1016/j.expthermflusci.2019.110024

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

Flow structure of incompressible fluid in a Ranque-Hilsch vortex tube was studied experimentally. A pattern of streamlines in the whole volume of the vortex tube was constructed from the velocity distributions measured using laser Doppler anemometry. The radial distributions of the azimuthal velocity in the Ranque-Hilsch vortex tube are shown to be different from those in a vortex tube with a tangential inlet and a single central exit orifice. Based on the obtained structure of the flow, a simple qualitative model is proposed to explain the physical mechanism of the temperature separation effect.

引用

页数：9

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