ergun equation0.380.0011.351.62E-060.31050809155.853625.11E+0219773.29056713812402.454803907282.91E+0321.02E+034804.909607814555.83E+03porous media resistance factorfluent porous media model the viscous resistance factor1050809155.85 fluent porous media model the inertial resistance factor39546.58Reynolds number101.351.62E-060.43.33E+06填料装填空隙率,εReε<10,用Blake-Kozeny方程;Reε>1000,用Burke-Plummer方程;过渡区用Ergun方程。与吸附剂等比表面积的圆球直径,dp,m气体密度,ρ,kg/m³气体的粘度,μ,Pa*s气流空塔气速(表观气速),u,m/s流型判断数据,ReεBlake-Kozeny方程中间变量ζ1Blake-Kozeny方程单位长度压降(层流),PaBurke-Plummer方程中间变量ζ2Burke-Plummer方程单位长度压降(湍流),PaErgun方程单位长度压降(过渡流),Pa床层长度,L,m吸附剂装填密度,ρ,kg/m³Blake-Kozeny方程压降(层流),Pa中间变量1Burke-Plummer方程压降(湍流),Pa中间变量2Ergun方程压降(过渡流),Pa流化速度,umax,m/s流体流速,u,m/s雷诺数表示作用于流体微团的惯性力与粘性力之比。一般管道:Re<2300为层流状态;Re=2300~4000为过渡状态;Re>4000为紊流状态;Re>10000为完全紊流状态;流体密度,ρ,kg/m³流体粘度,μ,Pa*s流道当量直径,d,mReynolds number,Re1/𝛼=150/𝐶_2=3.5/𝑑 (1−𝜀)/ ^3 𝜀Re=𝜌𝑑𝑢/𝜇22233150(1)7(1)4PuuLddergun equation403.225806680-0.03188570.500915260.46902954porous media resistance factorReynolds numberBlake-Kozeny方程;Burke-Plummer方程;方程。流型判断数据,Reε吸附剂装填密度,ρ,kg/m³中间变量1中间变量2流化速度,umax,m/s雷诺数表示作用于流体微团的惯性力与粘性力之比。一般管道:Re<2300为层流状态;Re=2300~4000为过渡状态;Re>4000为紊流状态;Re>10000为完全紊流状态;1/𝛼=150/𝐶_2=3.5/𝑑 (1−𝜀)/ ^3 𝜀22233150(1)7(1)4PuuLdd