PROCESS DESIGN OF CONDENSERS FOR VAPOR MIXTURES IN THE PRESENCE OF NON-CONDENSABLE GASES

被引：7
|
作者：
MAZZAROTTA, B
SEBASTIANI, E
机构：
[1] Department of Chemical Engineering, University of Rome "La Sapienza", Rome, 00184
来源：
CANADIAN JOURNAL OF CHEMICAL ENGINEERING | 1995年 / 73卷 / 04期
关键词：
CONDENSATION; MATHEMATICAL MODEL; VAPOR MIXTURES; NON-CONDENSABLE GAS;
D O I：
10.1002/cjce.5450730405
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
A mathematical model is proposed to design condensers for vapor mixtures containing a non-condensable gas. The Colburn and Drew (1937) film model is used, assuming the liquid flux to be completely mixed, but taking into account the interactions due to diffusion in the gaseous mixture. Some computational examples are given to show how the present model compares with the previous ones for the condensation of water-methanol in the presence of air in a single tube condenser, and how the condensation of water-ethanol mixtures in the presence of carbon dioxide in a shell-and-tube condenser evolves at different operating conditions.
引用
收藏
页码：456 / 461
页数：6
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