BEHAVIOR FOR NON-BUOYANT CIRCULAR SURFACE JETS IN COFLOWING STEAMS BY NUMERICAL SIMULATION

(整期优先)网络出版时间:1998-01-11
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Athree-dimensionalmathematicalmodelforcalculatingthesteadyflowofcircularnon-buoyantturbulentsurfaceinacoflowingchannelispresentedinthispaper.Forclosingthecontrolequations,theκ-εturbulencemodelisusedinthemathematicalmodel.Thewall-functionmethodisemployedtotreatthewallboundaryconditionatthebottomplane.TheclosedcontrolequationsarediscretizedbyusingHybridFiniteAnalyticMethod(HFAM)onanon-uniformstaggeredgridsystem.Thenumericalresultsareobtainedfordifferentratioofthejetvelocitytothecoflowingvelocity.Thecomparisonwithexperimentaldatashowsgoodagreement.