Experimental Study on Local Mass Transfer of Structured Packing with the Method of Flow Visualization

张燕来; 朱慧铭; 尹秋响

doi:10.1016/S1004-9541(11)60067-0

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Experimental Study on Local Mass Transfer of Structured Packing with the Method of Flow Visualization

Updated：2026-01-06

- Experimental Study on Local Mass Transfer of Structured Packing with the Method of Flow Visualization
- Chinese Journal of Chemical Engineering Vol. 19, Issue 5, Pages: 870-875(2011)
- Affiliations：
  
  1. Chemical Engineering Research Center, Tianjin University,Tianjin,China,300072
  2. School of Chemical Engineering and Technology, Tianjin University,Tianjin,China,300072
- Author bio：
- Funds：
- DOI：10.1016/S1004-9541(11)60067-0
  CLC：
- Published：2011
- Accepted：
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ZHANG Yanlai, ZHU Huiming, YIN Qiuxiang. Experimental Study on Local Mass Transfer of Structured Packing with the Method of Flow Visualization[J]. , 2011, 19(5): 870-875.
DOI：

ZHANG Yanlai, ZHU Huiming, YIN Qiuxiang. Experimental Study on Local Mass Transfer of Structured Packing with the Method of Flow Visualization[J]. , 2011, 19(5): 870-875. DOI： 10.1016/S1004-9541(11)60067-0.

摘要

Abstract

A chromochemical reactive mass transfer technique has been employed to study local mass transfer characteristics of structured packing. This technology adopted by experiment is an Ammonia Adsorption Method (AAM) that yields the surface distribution of transferred mass by analyzing the color distribution on a filter paper with the results of the color chemical reaction. A digital image processing technology is applied for data visualiza-tion. The three-dimensional plot of the local mass transfer coefficients shows that there exist three peak values on different positions of a unit cell of structured packing. In order to improve mass transfer efficiency of the structured packing

one piece of baffle is added between packing sheets. As a result

the average mass transfer coefficient in-creases by (10-20)% and the pressure drop decreases by (15-55)%.

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