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1 个结果
  • 简介:Aboundaryelementmethodforsimulatingthermocapillaryconvectioninatwo-layerimmisciblefluidsystemwithflatandfreeinterfacehasbeendeveloped.Thedivergence.theoremisappliedtothenon-linearconvectivevolumeintegraloftheboundaryelementformulationwiththepressurepenaltyfunction.Consequently.velocitygradientsareeliminatedandthecompleteformulationiswrittenintermsofvelocity,Thisavoidsthedifficultyofconvectivediscretzationsandprovidesconsiderablereductionsinstorageandcomputationalrequirementswhileimprovingaccuracy,Inthispaper,wegivetheinfluenceofdifferentparameters(Marangoninumber,Reynoldsnumber)onthermocapillaryconvectionincavitywithtwo-layerimmiscibelfluids,Asshownbythenumericalresults.whenthephysicalparametersbetweenliquidencapsulantandmeltarechosenappropriately.thedetrimentalflowinthebottommeltlayercanbegreatlysuppressed.Theinfluenceofthefreeinterfaceonthermocapillaryconvectionisalsoshown.

  • 标签: 热毛细管对流 双层流体 模拟 热对流