撞击流反应器流场的有限元分析初探

Initial Discussion of Finite Element Analysis for Flow Field in Impingement Stream Reactor

撞击流已被证明是强化相间热质传递最有效的方法之一 ,作为一种新型的反应器———浸没循环撞击流反应器 ,在液相和液固相反应极具应用开发潜力。本文用有限元软件ANSYS/FLOTRAN对其三维流场进行模拟和分析。结果表明SCISR流场中各参数关于y轴完全对称 ;撞击区速度和压力都较大 ,撞击区静压高 ,且在驻点达到最大值。

Usingimpinging flow has been proved to beone of the most effective methods totrans ferhea tbetwee ntwos treng thenedp hases.Asanewt ypeo freactor,immers edcy cleimping ingstr eamr eactor has grea tpotential ityinappli cationf orreac tion betwe enliqu idandl iquid(orsoli dliquid)phases.Inthispaper,thef init eelements oftwa reAN-SYS/FLOT RANwasu sedtoim itateandanalyzeth e3Dimpingem entflo wfield.Ithasbeenshownintheres ultsthateve rypa rame tersinS CISRflowfieldarecompletely symmetr icalwithy axis; thebothvelo inthei mpi nging zone,andthest aticpr ess urere aches them axi mumvalue at one point in this zone.