Comsol_(finished)

(ADDING AIR)

.

1 Home, AddMaterial ( .Materials Add Material.)

2Add Material, Built-In. .

Air Add to Component 1.Add Material.

3ModelBuilder Materials,Air.

4Graphics, Zoom Extents .

5(Domain 1), ..

(ADDING FLUID FLOW)

. 1

. Component 1Add Physics .

Advanced Topics | 91

2Add Physics Fluid Flow>Single-Phase Flow, . . Laminar Flow

Add to Component. Laminar Flow ’ Component 1 ModelBuilder.Add Physics.

3Graphics

Transparency . ,Wireframe Rendering .

.,.

, ,(Domain 1) Electric Currents (ec).

92 | Advanced Topics

4ModelBuilder,Electric Currents (ec) .

,.

, .

5Model Builder, . Heat Transfer in Solids .

Heat Transfer in Fluids.

6 (Domain 1), .’ .

Advanced Topics | 93

7Heat Transfer in Fluids settings Model Inputs,Velocity field (spf/ fp1) Velocity field.

Pressure (spf/ fp1) Absolute pressure.

Laminar Flow ’ .

, .

8Model Builder, . Heat Transfer in Solids ., , Temperature

Temperature Model Builder.

94 | Advanced Topics

9, Boundary 2,Selection list.

293.15 K,.

(,

(Transparency)

Wireframe Rendering).

,

10 Model Builder, . . Heat Transfer in Solids .Outflow. Outflow Model Builder.

Advanced Topics | 95

11 ,, Boundary 5,.,,, .

, , Electric Potential 1 Ground 1 ,

. , Electric Potential 1 Ground 1 Model Builder, ,.

. ,, , .

96 | Advanced Topics

1LaminarFlow . LaminarFlow settings, Clear Selection .

2 (Domain 1), Selection.

, “Air”, , Materials,Air. Material Contents, , , .

. 54.

3Model Builder, . Laminar Flow

Inlet . Inlet Model Builder.

Advanced Topics | 97

4 ၖၩၺၘ(Boundary 2), .

5Inlet

Velocity U ,Vin, Normal inflow velocity.

6. .

Laminar Flow

Outlet . (Boundary5),

Selection list., ,,.

,.

98 | Advanced Topics

7. LaminarFlow Symmetry.Symmetry .

8( 1, 3, 4, 48),Selection list. , , ,.

busbar_box_I.mph,Air material LaminarFlow interface .

ၡၙၢၕၩၺၘၡၜၩ,PasteSelection.

1,3,4,48 Paste Selection . OKSelection list.

(COARSENING THE MESH)

, . ’.

1 Model Builder, Mesh 1 Size .

Advanced Topics | 99

2Size settings Element Size, Predefined ,Normal.

3Build All . ( (Transparency))

, ,.

, ’ , ’ , .

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(SOLVING FOR FLUID FLOW AND JOULE HEATING)

ၥၟၔၕၞၢၗၢ’. .

100 | Advanced Topics