Natural Convection for Rectangular Heat Sinks

Model Specifications
Baseplate has fins on one surface (Single) or on two opposing surfaces (Back-to-Back)
Unknown value to be determined by the solution
Uses one-D fin mode to approximate effects of temperature variation in the fins
Special case where no heat transfer occurs on the back surface of the baseplate

Maximum Outer Dimensions
What is this?
Depth
H + tp [mm]

Length
L [mm]

Width
W [mm]
Input Values and Results
Baseplate Thickness
tp [mm]

Fin Length
H [mm]

Number of Fins

Contact
Conductance
hc [W/m2 oC]

Heat Flow
Q [W]

Ambient
Temperature
Ta [ oC]

Fin Spacing
b [mm]
Fin Thickness
t [mm]

Number of Digits

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Last Updated April, 1998