摘要
利用Fluent软件对圆盘错流过滤机的一级滤室进行流场模拟,分别模拟了圆盘转速为300r/min和800r/min时不同跨膜压作用下的流场情况。后处理发现动压力和剪切速度均随着圆盘半径的增大而增大。转速800r/min时的动压力大约是300r/min时的12倍;低转速时,剪切速度的最大值随着进口压力的增大而增大,进口压力的变化对剪切速度的影响相对高转速来说更加明显。
In this paper,making use of Fluent software to simulate the flow field of disk cross-flow filter's first stage filter chamber was implemented,including the flow field at different transmembrane pressures(TMP)when the disk rotates at 300r/min and 800r/min respectively.The results showed that,both dynamic pressure and shear velocity increases with the increasing of radius and for a rotation of 800r/min,the dynamic pressure is about 12 times that of the rotation at 300r/min;at low rotating speed,the maximum shear speed increases with the increase of inlet pressure,and the influence of inlet pressure on shear speed is more obvious than that at high rotating speed.
作者
杜钟雨
吴俊飞
赵文捷
DU Zhong-yu;WU Jun-fei;ZHAO Wen-jie(College of Electrical and Mechanical Engineering,Qingdao University of Science and Technology)
出处
《化工机械》
CAS
2021年第2期256-262,共7页
Chemical Engineering & Machinery
关键词
错流过滤机
数值模拟
流场模拟
剪切速度
动压力
cross-flow filter
numerical simulation
flow field simulation
shear velocity
dynamic pressure
