旋转管式膜分离器流型的研究  

Research on Pattern of Flow in Rotating Cylindrical Membrane Separator

作　　者：李碧仙[1] 陈文梅[1] 褚良银[1] 周先桃[1] 李珣[1] 庄犹俊[1] 曹兰波[1] 

机构地区：[1]四川大学,四川成都610065

出　　处：《流体机械》2005年第1期7-10,共4页Fluid Machinery

基　　金：教育部高等学校博士学科点专项基金项目 (2 0 0 0 0 616)

摘　　要：采用三相异步电动机的输入电磁转速与三相异步电动机的实际转速之差的变化来表征两旋转圆筒间流场特性的参数。主要研究了清水介质时无轴向流和有轴向流条件下流型的划分 ,并将无轴向流时的流型分成了 6种 :Couette层流 ,层流泰勒涡 ,层流波涡 ,层流调制波涡、湍流泰勒涡和湍流 ;有轴向流时的流型分成了 4种 :Couette层流、层流泰勒涡、湍流泰勒涡和完全湍流。并且验证了流型转变的滞后特性。The patterns with axial flow and without axial flow were mainly studied.Results showed that six patterns without axial flow exist,which are:couette flow,taylor vortex flow,wavy vortex flow,modulated waves,turbulent taylor vortices,turbulence flow,and that four patterns with axial flow exist,which are:purely laminar flow,laminar flow plus taylor vortexes,turbulent flow plus taylor vortexes,purely turbulent flow. And the hysteresis of flow transforms was verified.

关 键 词：旋转管式膜 同心旋转圆筒 流型 轴向流 

分 类 号：TQ028.8[化学工程]