A TWO-SCALE SECOND-ORDER MOMENT PARTICLE TURBULENCE MODEL FOR GAS-PARTICLE FLOW

被引：7
作者：
Zeng Zhuo-xiong [1 ,2 ]
Zhou Li-xing [1 ]
机构：
[1] Tsinghua Univ, Dept Engn Mech, Beijing 100084, Peoples R China
[2] Nanchang Inst Aeronaut Technol, Dept Mech Engn, Nanchang 330034, Peoples R China
来源：
JOURNAL OF HYDRODYNAMICS | 2006年 / 18卷 / 06期
基金：
中国博士后科学基金;
关键词：
gas-particle flow; second-order moment model; two-scale fluctuation;
D O I：
10.1016/S1001-6058(07)60004-3
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
A two-scale second-order moment two-phase turbulence model was developed and used to simulate gas-particle flow in a sudden-expansion chamber and a channel. The simulation results were in agreement with the experimental results, and the results were compared with those of the single-scale second-order moment two-phase turbulence model. Several improved features show that the two-scale model is to a certain extent better than the single-scale model, which may be attributed to the fact that particle turbulence is well characterized by the two-scale turbulence model.
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页码：659 / 665
页数：7
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