Ansys电机热(Fluent)分析设置.ppt

1、1,电机热（FLUENT）分析设置 本教程用于演示Fluent 3D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：ANSYS Workbench R16及 FLUENT R16.,Fluent中的网格和几何,2,General Solver Type: Pressure-Based Solver Velocity Formulation: Absolute Solver Time: Steady Models Energy on Viscous Model: K-epsilon (2eqn) Viscous K-epsilon Model: Realiz

2、able Viscous Near-wall Treatment: Non-Equilibrium Wall Functions Materials 右键点击Fluid air 点击Fluent Database 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 glue Properties Density: 1 Properties Cp: 1 Properties Thermal Conductivity: 0.2 点击Change/Create 同样方法建立以下

3、名称材料：glue27、insulation_layer、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-orthotropic,3,Cell Zone Conditions (f_rotor)

4、Material Name air Frame Motion Rotation-Axis Direction 0 0 1 Rotational Velocity 2500 rpm,4,Cell Zone Conditions (f_stator) Material Name air,5,Cell Zone Conditions (f_wj) Material Name water-liquid,6,Cell Zone Conditions (s_bearing_1、s_bearing_2、s_bearing_3、s_bearing_4、s_jacket_r、s_shaft、s_shaft_r、

5、s_steel_sheet) Material Name steel,7,Cell Zone Conditions (s_cable、s_cap_r、s_clip_r、s_shell) Material Name aluminum,8,Cell Zone Conditions (s_glue、s_gs_r) Material Name glue27,9,Cell Zone Conditions (s_magnet_r) Material Name magnet,10,Cell Zone Conditions (s_winding) Material Name copper Source ter

6、ms 1 source 1244805w/m3,11,Cell Zone Conditions (s_stator) Material Name silicon_steel,12,Boundary Conditions(inlet) Type velocity-inlet Momentum velocity Magnitude = 0.453m/s Turbulence Specification Method = Intensity and Viscosity Ratio; Turbulent Intensity = 5%; Turbulent Viscosity Ratio = 10 Th

7、ermal Temperature = 319 K,13,Boundary Conditions(outlet) Type pressure-outlet Momentum GaugePressure = 0 Turbulence Specification Method = Intensity and Viscosity Ratio; Turbulent Intensity = 5%; Turbulent Viscosity Ratio = 10 Thermal Temperature = 322 K,14,Boundary Conditions(固体外表面) w_bearing_4 The

8、rmal: Convection; Heat Transfer Coefficient 50 w/m2k; Free Stream Temperature 312K; 以下边界条与以上相同：w_shell2_outer；w_shell3_outer; w_shell_attach_outer; w_shaft:33 Thermal: Convection; Heat Transfer Coefficient 8 w/m2k; Free Stream Temperature 312K; w_shell3_inner:49 Thermal: Heat Flux; Heat Flux 0w/m2;

9、Heat Generation Rate 0 w/m3 w_winding Thermal: Coupled; Wall Thickness: 0.1 mm; Material Name: glue.,15,Boundary Conditions(流体外表面) w_wj,16,Boundary Conditions(流固耦合界面-固体) w_bearing_1；w_bearing_1:38; w_bearing_2; w_bearing_2:39; w_bearing_3; w_bearing_3:40; w_cable; w_cable:32; w_cap; w_cap#ic; w_cap#

10、jacket; w_clip; w_clip#jacket; w_clip#shaft; w_glue; w_glue#stator; w_gs#cap; w_gs#ss; w_ic#cap; w_ic#gs; w_ic#jacket; w_ic#ss; w_ic_rotor; w_jacket; w_shaft; w_shaft#cap; w_shaft#jacket; w_shaft:34; w_shaft:35; w_shaft:36; w_shaft:37; w_shaft_r; w_shell1_inner; w_shell1_inner:41; w_shell1_inner:42;

11、 w_shell1_inner:43; w_shell1_inner:44; w_shell1_inner:45; w_shell1_inner:46; w_shell1_inner:47; w_shell2_inner#mix_stator1; w_shell2_inner#mix_stator_fluid1; w_shell3_inner ; w_shell3_inner:48 ; w_shell3_inner:50; w_shell_attach_inner; w_ss#cap; w_stator; w_steel_sheet; w_winding#glue; w_wj:31;w_180

12、-shadow; w_184; w_185;,17,Boundary Conditions(流固耦合界面-流体) w_bearing_1-shadow；w_bearing_1:38-shadow; w_bearing_2-shadow; w_bearing_2:39-shadow; w_bearing_3-shadow; w_bearing_3:40-shadow; w_cable-shadow; w_cable:32-shadow; w_cap-shadow; w_cap#ic-shadow; w_cap#jacket-shadow; w_clip-shadow; w_clip#jacket

13、-shadow; w_clip#shaft-shadow; w_glue-shadow; w_glue#stator-shadow; w_gs#cap-shadow; w_gs#ss-shadow; w_ic#cap-shadow; w_ic#gs-shadow; w_ic#jacket-shadow; w_ic#ss-shadow; w_ic_rotor-shadow; w_jacket-shadow; w_shaft-shadow; w_shaft#cap-shadow; w_shaft#jacket-shadow; w_shaft:34-shadow; w_shaft:35-shadow

14、; w_shaft:36-shadow; w_shaft:37-shadow; w_shaft_r-shadow; w_shell1_inner-shadow; w_shell1_inner:41-shadow; w_shell1_inner:42-shadow; w_shell1_inner:43-shadow; w_shell1_inner:44-shadow; w_shell1_inner:45-shadow; w_shell1_inner:46-shadow; w_shell1_inner:47-shadow; w_shell2_inner#mix_stator1-shadow; w_

15、shell2_inner#mix_stator_fluid1-shadow; w_shell3_inner-shadow ; w_shell3_inner:48-shadow; w_shell3_inner:50-shadow; w_shell_attach_inne-shadowr; w_ss#cap; w_stator-shadow; w_steel_sheet-shadow; w_winding#glue-shadow; w_wj:31-shadow;w_180; w_184-shadow; w_185-shadow;,18,Mesh interfaces 右键点击Mesh interf

16、ace new Mesh Interface intf_fluid Interface Zone 1 intf_big_inner Interface Zone 2 intf_big_outer 点击Create,19,Mesh interfaces 右键点击Mesh interface new Mesh Interface intf_bearing Interface Zone 1 intf_big_inner_bearing Interface Zone 2 intf_big_outer _bearing2 Interface Options Coupled Wall 点击Create,20,Mesh interfaces 右键点击Mesh interface new Mesh Interface intf_shaft Interface Zone 1 intf_big_inner_shaft Interface Zone 2 intf_big_outer _bearing1; intf_big_outer_shaft Interface Options Coupled Wall 点击Create,21,Solution Methods Pressure-Velocity Coupling scheme Simple Spatial Discret