INITIAL PROJECTION VELOCITIES OF DROPLETS IN THE SPRAY REGIME ON SIEVE TRAYS

刘云义; 陈建孟; 谭天恩

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INITIAL PROJECTION VELOCITIES OF DROPLETS IN THE SPRAY REGIME ON SIEVE TRAYS

更新时间：2025-12-16

- INITIAL PROJECTION VELOCITIES OF DROPLETS IN THE SPRAY REGIME ON SIEVE TRAYS
- CIESC Journal Issue 5, (1997)
- 作者机构：
  
  浙江大学化工系,浙江大学化工系,浙江大学化工系杭州 310027,杭州 310027,杭州,310027
- 作者简介：
- 基金信息：
- DOI：
  CLC： Q02
- Online First：25 October 1997，
  
  Published：25 October 1997
- 稿件说明：
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刘云义, 陈建孟, 谭天恩. INITIAL PROJECTION VELOCITIES OF DROPLETS IN THE SPRAY REGIME ON SIEVE TRAYS[J]. CIESC Journal, 1997, (5).
DOI：

刘云义, 陈建孟, 谭天恩. INITIAL PROJECTION VELOCITIES OF DROPLETS IN THE SPRAY REGIME ON SIEVE TRAYS[J]. CIESC Journal, 1997, (5). DOI：

摘要

引言在喷射状态下的筛板上

存在着大量的以“抛射”方式运动中的液滴

其初始抛射速度v_0是影响该种操作状态下筛板流体力学和传质性能的重要因素.液滴初始抛射速度的研究是深入了解塔板上液滴运动规律和气液接触过程的前提. 目前为止

见诸报道测定v_0的方法只有平板印痕法和摄影法两种

并且由这两种方法所测数据而整理出的结果关联式相差也很大

液滴初始抛射速度的问题尚未能得到

Abstract

The two-probe sensor and rapid changing color high speed photograghy techniques were used in the determination of the initial projection velocities of droplets on sieve trays operating in spray regime. The experimental results confirm that the photographic method can be complemented by the dual probe sensor method in the measurement of the initial projection velocities. A new correktion was obtained to predict the relationship between the initial projection velocities

droplet diameters and gas hole velocities.

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