Effect of swirling device on flow behavior in a supersonic separator for natural gas dehydration

被引：59
|
作者：
Wen, Chuang [1 ,2 ]
Li, Anqi [1 ]
Walther, Jens Honore [2 ,3 ]
Yang, Yan [1 ]
机构：
[1] Changzhou Univ, Jiangsu Key Lab Oil Gas Storage & Transportat Tec, Changzhou 213016, Peoples R China
[2] Tech Univ Denmark, Dept Mech Engn, Sect Fluid Mech Coastal & Maritime Engn, Nils Koppels Alle, DK-2800 Lyngby, Denmark
[3] ETH, Chair Computat Sci, Clausiusstr 33 ETH Zentrum,CLT F 11, CH-8092 Zurich, Switzerland
来源：
SEPARATION AND PURIFICATION TECHNOLOGY | 2016年 / 168卷
关键词：
Gas separation; Supersonic; Swirling flow; Helical blade; COMPUTATIONAL FLUID-DYNAMICS; CONDENSATION RATES; SIMULATION; CO2; CRYSTALLIZATION; PURIFICATION; PERFORMANCE; NUCLEATION; ABSORPTION; MEMBRANE;
D O I：
10.1016/j.seppur.2016.05.019
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
The supersonic separator is a revolutionary device to remove the condensable components from gas mixtures. One of the key issues for this novel technology is the complex supersonic swirling flow that is not well understood. A swirling device composed of an ellipsoid and several helical blades is designed for an annular supersonic separator. The supersonic swirling separation flow of natural gas is calculated using the Reynolds Stress model. The results show that the viscous heating and strong swirling flow cause the adverse pressure in the annular channel, which may negatively affect the separation performance. When the swirling flow passes through the annular nozzle, it will damage the expansion characteristics of the annular nozzle. The blade angles and numbers are both optimized by evaluating the swirling and expansion effects for the supersonic separation. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码：68 / 73
页数：6
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