Question

Obtain relations for the characteristic lengths of a large plane wall of thickness $2 L$, a very long cylinder of radius $r_o$, and a sphere of radius $r_o$.

   Obtain relations for the characteristic lengths of a large plane wall of thickness $2 L$, a very long cylinder of radius $r_o$, and a sphere of radius $r_o$.

Introduction To Thermodynamics and Heat Transfer

Introduction To Thermodynamics and Heat Transfer

Yunus A. Cengel 1st Edition

Chapter 11, Problem 12

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The characteristic length is a parameter that represents the ratio of the volume of a body to its surface area. It's defined as: $L_c = \frac{V}{A}$ where V is the volume and A is the surface area. Show more…

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Obtain relations for the characteristic lengths of a large plane wall of thickness $2 L$, a very long cylinder of radius $r_o$, and a sphere of radius $r_o$.

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