脉冲法推导CSTR的RTD 对示踪剂作物料衡衡算 wcorge Vo VR CA 边界条件为 C.=Co when 1=0 易解得：dCa=-1C f(t)=Le dt f()= C Cd F(t)=1-e/m 脉冲法推导CSTR的RTD 0 0 0 0 ( ) 0 R A A A A A d V C V C V C dt C C when t = − = = 边界条件为 / 0 A t tm A C e C − = A m A dC t C dt = − V0 CA0 VR CA V0 CA / ( ) 1 F t t tm e − = − 1 / ( ) t tm m f t e t − = 对示踪剂作物料衡算 易解得： 0 0 ( ) A A C f t C dt  = 