CFD Simulation and Experimental Validation of Fluid Flow in Pre-distributor

张吕鸿; 高国华; 隋红; 李洪; 李鑫钢

doi:10.1016/S1004-9541(11)60061-X

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CFD Simulation and Experimental Validation of Fluid Flow in Pre-distributor

Updated：2026-01-06

- CFD Simulation and Experimental Validation of Fluid Flow in Pre-distributor
- Chinese Journal of Chemical Engineering Vol. 19, Issue 5, Pages: 815-820(2011)
- Affiliations：
  
  1. School of Chemical Engineering and Technology, Tianjin University,Tianjin,China,300072
  2. National Engineering Research Centre of Distillation Technology,Tianjin,China,300072
- Author bio：
- Funds：
- DOI：10.1016/S1004-9541(11)60061-X
  CLC：
- Published：2011
- Accepted：
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ZHANG Lühong, GAO Guohua, SUI Hong, LI Hong, LI Xingang. CFD Simulation and Experimental Validation of Fluid Flow in Pre-distributor[J]. , 2011, 19(5): 815-820.
DOI：

ZHANG Lühong, GAO Guohua, SUI Hong, LI Hong, LI Xingang. CFD Simulation and Experimental Validation of Fluid Flow in Pre-distributor[J]. , 2011, 19(5): 815-820. DOI： 10.1016/S1004-9541(11)60061-X.

摘要

Abstract

Liquid distributor is a very import internal for distillation columns. Pre-distributor is usually set on the top of distributor for initial distribution. Fluid flow in pre-distributor is a complex system of variable mass flow with many orifices and sub-branches. Consequently

the two phase modeling of pre-distributors was carried out and the homogeneous model with free surface model was applied. The numerical method was validated by comparing with experimental data. Using the simulated results for different pre-distributors

the impacts of inflow rate

location and orientation upon the outflow distribution were investigated. Furthermore

influences of the outflow distribution for pre-distributor on liquid uniformity in trough were also analyzed. The conclusions can be adopted for the struc-tural design of liquid distributor and pre-distributor of large scale.

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