Natural Convection for Annular Heat Sinks

Model Specifications
Place cursor over option for brief explanation
Select whether the fins are round or rectangular
Unknown value to be determined by the solution
Uses one-D fin mode to approximate effects of temperature variation in the fins
Include effects of radiation to a large black enclosure

Maximum Outer Dimensions
What is this?
Outer Diameter
D [mm]

Overall Length
L [mm]

Input Values and Results
Inner Diameter
d [mm]

Ambient
Temperature
Ta [ oC]

Contact
Conductance
hc [W/m2 oC]

Heat Flow
Q [W]

Fin Thickness
t [mm]
Fin Spacing
b [mm]
Number of Fins

Number of Digits

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Last Updated April, 1998