Copper fins, 2.1 cm long and 2.1 mm in diameter, are attached to a base plate at 75 °C. A fan blows air through and around this fins at 29 °C providing an average convection coefficient of 21 W m-2 K-1. Estimate the heat dissipated through each of these fins, in milliwatt (mW). Assume negligible heat transfer though the tips. The conductivity of copper may be taken to be 400 W m-1 K-1.

Copper fins, 2.1 cm long and 2.1 mm in diameter, are attached to a base plate at 75 °C. A fan blows air through and around this fins at 29 °C providing an average convection coefficient of 21 W m-2 K-1. Estimate the heat dissipated through each of these fins, in milliwatt (mW). Assume negligible heat transfer though the tips. The conductivity of copper may be taken to be 400 W m-1 K-1.

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)

8th Edition

ISBN:9781305387102

Author:Kreith, Frank; Manglik, Raj M.

Publisher:Kreith, Frank; Manglik, Raj M.

Chapter3: Transient Heat Conduction

Section: Chapter Questions

Problem 3.13P

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