基于离散颗粒法模拟搅拌釜气含率分布

O3; The discrete particle method was used to simulate the distribution of gas holdup in a gas-liquid standard Rushton stirred tank. The gas phase was treated as a large number of bubbles and their trajectories were tracked with the results of motion equations. The two-way approach was performed to c...

Full description

Saved in:
Bibliographic Details
Published in中国化学工程学报（英文版） Vol. 15; no. 6; pp. 808 - 813
Main Authors 韩路长, 刘跃进, 罗和安
Format Journal Article
LanguageChinese
Published College of Chemical Engineering,Xiangtan University,Xiangtan 411105,China 2007
Subjects
stirred tank
discrete particle
numerical simulation
gas holdup
Online AccessGet full text

Cover

More Information
Summary:O3; The discrete particle method was used to simulate the distribution of gas holdup in a gas-liquid standard Rushton stirred tank. The gas phase was treated as a large number of bubbles and their trajectories were tracked with the results of motion equations. The two-way approach was performed to couple the interphase momentum exchange. The turbulent dispersion of bubbles with a size distribution was modeled using a stochastic tracking model,and the added mass force was involved to account for the effect of bubble acceleration on the surrounding fluid. The predicted gas holdup distribution showed that this method could give reasonable prediction comparable to the reported experimental data when the effect of turbulence was took into account in modification for drag coefficient.
ISSN:1004-9541
2210-321X