Direct Numerical Simulation of Particle Dispersion in the Flow Around a Circular Cylinder

被引：6
|
作者：
Liu, Lan [1 ]
Ji, Feng [1 ]
Fan, Jianren [1 ]
Cen, Kefa [1 ]
机构：
[1] Zhejiang Univ, Inst Thermal Power Engn & Clean Energy & Environm, Hangzhou 310027, Peoples R China
来源：
JOURNAL OF THERMAL SCIENCE | 2004年 / 13卷 / 04期
基金：
中国国家自然科学基金;
关键词：
direct numerical simulation; wake; particle dispersion; gas-solid; fluid;
D O I：
10.1007/s11630-004-0053-0
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
The major objective of the paper is to use direct numerical simulation method to get the dispersion patterns of different Stokes number particles in cylinder wake at low Reynolds numbers. The gas fluid structure is simulated by a spectral-element method with third-order accuracy. Non-reflecting boundary condition is specified for the outlet downstream boundary. Lagrangian approach is used to trace particle trajectory. The simulation results show factors to be considered to characterize the particle dispersion and find different particle dispersion pattern in a circular cylinder wake and in a plane wake.
引用
收藏
页码：344 / 349
页数：6
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