Name:


Ls:

Ws:


Power:


xs:

ys:


Thermal interface material

Material Thickness

Thermal Conductivity


Junction to case thermal resistance Rth-jc

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Cancel

xT:

yT:


Enter a postive valve to move up or to the right and a negative valve to move down or to the left
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The heat sink height and length are fixed in the demo version. The full version allows you to vary all the parameters shown in the demo version as well as save and retrieve analyses files. Select a sample analysis below to get started.

Natural Convection Cooled Heat Sink
Fan Cooled Heat Sink
Start from Scratch
Options

Select default and results units:

Length:

Temperature:

Weight:

Velocity:

Volumetric Flow Rate:

Pressure:

Power:

Thermal Conductivity:

Thermal Resistance:

Dimensions/Optimization

Dimensions

 [Number of fins]

Optimization Parameters

Minimize the source temperature by changing:

b: min     max

t: min     max

s: min     max

Material

Predefined Materials:

Thermal conductivity:

Air Flow

Ambient Temperature:

Radiation

Emissivity:

Natural convection

Forced convection

Approach velocity:

Volumetric flow rate:

Fan Curve:

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Clear Data

Note: All the air flow is assumed to flow parallel to and between the fins.

Power Source
Add Power Source
Move
Delete

Select all

Calculate

Dimensions/Materials
Height (H) []:
Length (L) []:
Width (W) []:
Base Thickness (b) []:
Fin Thickness (t) []:
Number of fins:
Fin Spacing (s) []:
Material Thermal Conductivity []:
Material:
Air Flow/Radiation
Ambient Temperature []:
Heat Transfer Mode:
Emissivity:
Orientation:
Convection []:
Radiation []:
Approach Velocity []:
Flow Rate []:
Pressure Drop []:
Power Source