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Heat Sink Convection with Fins Calculator

Heat Transfer Design and Engineering

Heat Transfer by Convection of a Heat Sink with Fins Calculator and Equations

Fins are used to increase heat transfer area and provide a cooling effect.

However, if h*A / P*k is greater than 1.00 the fins will insulate and prevent heat flow.

h = air film convective coefficient
A = exposed surface area of the fins.
P = perimeter of the fins.
k = fin material conductivity coefficient.

Heat Transfer by Convection of a Heat Sink with Fins Calculator and Equations

References:

  • Heat Transfer, A Practical approach 2nd Edition, Yunus A. Cengal
  • Introduction to Engineering Heat Transfer, R. Kutty


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