Ansys电机热(Fluent)分析设置.ppt
文本预览下载声明
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.
1
Fluent中的网格和几何
General
Solver Type: Pressure-Based
Solver Velocity Formulation: Absolute
Solver Time: Steady
Models
Energy – on
Viscous Model: K-epsilon (2eqn)
Viscous K-epsilon Model: Realizable
Viscous Near-wall Treatment: Non-Equilibrium Wall Functions
Materials
右键点击Fluid air
点击Fluent Database
选择water-liquid(h2ol)
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
2
Cell Zone Conditions (f_rotor)
Material Name air
Frame Motion
Rotation-Axis Direction 0 0 1
Rotational Velocity 2500 rpm
3
Cell Zone Conditions (f_stator)
Material Name air
4
Cell Zone Conditions (f_wj)
Material Name water-liquid
5
Cell Zone Conditions (s_bearing_1、s_bearing_2、s_bearing_3、s_bearing_4、s_jacket_r、s_shaft、s_shaft_r、s_steel_sheet)
Material Name steel
6
Cell Zone Conditions (s_cable、s_cap_r、s_clip_r、s_shell)
Material Name aluminum
7
Cell Zone Conditions (s_glue、s_gs_r)
Material Name glue27
8
Cell Zone Conditions (s_magnet_r)
Material Name magnet
9
Cell Zone Conditions (s_winding)
Material Name copper
Source terms
1 source 1244805w/m3
10
Cell Zone Conditions (s_stator)
Material Name silicon_steel
11
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
Thermal Temperature = 319 K
12
Boundary Conditions(outlet)
Type pressure-outlet
Momentum GaugePressure = 0
Turbulence Specification Method = Intensity and Viscosi
显示全部