COLD FLOW MIXING RATES IN CONFINED, RECIRCULATING COAXIAL JETS WITH ANGULAR SECONDARY INJECTION

被引：5
|
作者：
HEDMAN, PO
LEAVITT, DR
SHARP, JL
机构：
[1] Brigham Young Univ, Dep of Chemical, Engineering, Provo, UT, USA, Brigham Young Univ, Dep of Chemical Engineering, Provo, UT, USA
来源：
AICHE JOURNAL | 1985年 / 31卷 / 07期
关键词：
CHEMICAL EQUIPMENT - Reactors - COAL - Combustion - COAL GASIFICATION;
D O I：
10.1002/aic.690310708
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
The mixing of gases and particles in confined, coaxial jets with angular secondary steam injection into suddenly expanded mixing chambers was studied. The effects of secondary stream injection angle, mixing chamber diameter and length, primary jet solids loading, particle size, and secondary stream velocity on particle and gas mixing rates were determined. Gas mixing was much faster than particle mixing. Angular secondary injection significantly increased the initial gas and particle mixing rates but had little effect on the overall length of duct needed for complete mixing. The effects on initial gas mixing rate of combined angular secondary injection and increased secondary velocity were additive.
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页码：1105 / 1112
页数：8
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