典型文献
Numerical evaluation of virtual mass force coefficient of single solid particles in acceleration
文献摘要:
Virtual mass force is an indispensable component in the momentum balance involved with dispersed particles in a multiphase system.In this work the accelerating motion of a single solid particle is math-ematically formulated and solved using the vorticity-stream function formulation in an orthogonal curvi-linear coordinate system.The total drag coefficient was evaluated from the numerical simulation in a range of the Reynolds number (Re) from 10 to 200 and the dimensionless acceleration (A) between-2.0 to 2.0.The simulation demonstrates that the total drag is heavily correlated with A,and large decel-eration even drops the drag force to a negative value.It is found that the value of virtual mass force coef-ficient (Cv) of a spherical particle is a variable in a wide range and difficult to be correlated with A and Re.However,the total drag coefficient (Coy) is successfully correlated as a function of Re and A,and it increases as A is increased.The proposed correlation of total drag coefficient may be used for simulation of solid-liquid flow with better accuracy.
文献关键词:
中图分类号:
作者姓名:
Zai-Sha Mao;Chao Yang
作者机构:
CAS Key Laboratory of Green Process and Engineering,Institute of Process Engineering,Chinese Academy of Sciences,Beijing 100190,China;School of Chemical Engineering,University of Chinese Academy of Sciences,Beijing 100049,China
文献出处:
引用格式:
[1]Zai-Sha Mao;Chao Yang-.Numerical evaluation of virtual mass force coefficient of single solid particles in acceleration)[J].中国化学工程学报(英文版),2022(01):210-219
A类:
ematically,curvi,decel,Coy
B类:
Numerical,evaluation,virtual,mass,force,coefficient,single,solid,particles,acceleration,Virtual,indispensable,component,momentum,balance,involved,dispersed,multiphase,system,In,this,work,accelerating,motion,math,formulated,solved,using,vorticity,stream,function,formulation,orthogonal,linear,coordinate,total,drag,was,evaluated,from,numerical,simulation,range,Reynolds,number,dimensionless,between,demonstrates,that,heavily,correlated,large,even,drops,negative,value,It,found,Cv,spherical,variable,wide,difficult,However,successfully,increases,increased,proposed,correlation,may,used,liquid,flow,better,accuracy
AB值:
0.489664
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