Study of Velocity Field in Jet Mill

Ye Jing; Chen Jiayan and Wang QihongWuhan University of Technology; Wuhan

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Study of Velocity Field in Jet Mill

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- Study of Velocity Field in Jet Mill
- CIESC Journal Issue 4, (1990)
- 作者机构：
  
  武汉工业大学,武汉工业大学,武汉工业大学 ,武汉,武汉,武汉
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Online First：25 August 1990，
  
  Published：25 August 1990
- 稿件说明：
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Ye Jing, Chen Jiayan and Wang QihongWuhan University of Technology, Wuhan. Study of Velocity Field in Jet Mill[J]. CIESC Journal, 1990, (4).
DOI：

Ye Jing, Chen Jiayan and Wang QihongWuhan University of Technology, Wuhan. Study of Velocity Field in Jet Mill[J]. CIESC Journal, 1990, (4). DOI：

摘要

本文建立了气流粉碎机粉碎室结构与流动参数间的函数关系

确立了速度场的变化规律

所得结论不仅与Rink等人采用静压测孔推算的速度分布十分吻合

而且还得到作者用激光多普勒测速技术对流场进行速度测试的进一步验证.

Abstract

In this paper

the functional relations between the structural parameters of the grinding chamber and gas flow parameters in a jet mill are established systemtically with the theory of gas dynamics and hydrodynamics. The calculation equation of gas velocity is derived. These results not only agree with the experimental conclusions in literature

but also are supported by the authors experiment using Laser Doppler Anemometry to measure the" velocity field in the jet mill. The theoretical basis and calculation method for designing jet mill and selecting its working conditions are provided and a preliminary study has been done to establish the mathematical model of jet mill on the basis of comminution kinetics.

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