Ansys电机热Fluent分析设置.ppt

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1、电机热（FLUENT）分析设置本教程用于演示Fluent3D如何进行电机流体-热分析。本教程可以配合《电机电磁、热耦合分析流程》使用。准备软件：ANSYSWorkbenchR16及FLUENTR16.1Fluent中的网格和几何GeneralSolver>Type:Pressure-BasedSolver>VelocityFormulation:AbsoluteSolver>Time:SteadyModelsEnergy–onViscous>Model:K-epsilon(2eqn)Viscous>K-epsilonModel:RealizableViscous>Near

2、-wallTreatment:Non-EquilibriumWallFunctionsMaterials右键点击Fluid>air点击FluentDatabase选择water-liquid(h2o)点击Copy同样方法在Solid下面添加以下材料：aluminum、copper、steel右键点击Solid>New…Name>glueProperties>Density:1Properties>Cp:1Properties>ThermalConductivity:0.2点击Change/Create同样方法建立以下名称材料：glue27、insulation_la

3、yer、insulation_paper、magnet、silicon_steel材料属性如下：glue27>1kg/m3、1j/kg-k、0.2w/m-k;insulation_layer>1kg/m3、1j/kg-k、0.1w/m-k;insulation_paper>1kg/m3、1j/kg-k、0.1w/m-k;magnet>1kg/m3、1j/kg-k、7.7w/m-k;silicon_steel>1kg/m3、1j/kg-k、cyl-orthotropic2CellZoneConditions(f_rotor)MaterialName>airFrameMoti

4、onRotation-AxisDirection>001RotationalVelocity>2500rpm3CellZoneConditions(f_stator)MaterialName>air4CellZoneConditions(f_wj)MaterialName>water-liquid5CellZoneConditions(s_bearing_1、s_bearing_2、s_bearing_3、s_bearing_4、s_jacket_r、s_shaft、s_shaft_r、s_steel_sheet)MaterialName>steel6CellZoneCo

5、nditions(s_cable、s_cap_r、s_clip_r、s_shell)MaterialName>aluminum7CellZoneConditions(s_glue、s_gs_r)MaterialName>glue278CellZoneConditions(s_magnet_r)MaterialName>magnet9CellZoneConditions(s_winding)MaterialName>copperSourceterms1source>1244805w/m310CellZoneConditions(s_stator)MaterialName>s

6、ilicon_steel11BoundaryConditions(inlet)Type>velocity-inletMomentum>velocityMagnitude=0.453m/sTurbulence>SpecificationMethod=IntensityandViscosityRatio;TurbulentIntensity=5%;TurbulentViscosityRatio=10Thermal>Temperature=319K12BoundaryConditions(outlet)Type>pressure-outletMomentum>GaugePres

7、sure=0Turbulence>SpecificationMethod=IntensityandViscosityRatio;TurbulentIntensity=5%;TurbulentViscosityRatio=10Thermal>Temperature=322K13BoundaryConditions(固体外表面)w_bearing_4>Thermal:Convection;HeatTransferCoefficient50w/m2k;FreeStreamTemperature312K;以下边界条与以上相同：w_sh