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Transport Phenomena

Problem 2.255

Solve the foregoing problem for the case of two concentric spheres of radii \(R_{1}\) and \(R_{2}\) and temperatures \(T_{1}\) and \(T_{2}\).

Reveal Answer
T=T1+T2−T11/R1−1/R2(1R1−1r)T=T_{1}+\frac{T_{2}-T_{1}}{1 / R_{1}-1 / R_{2}}\left(\frac{1}{R_{1}}-\frac{1}{r}\right)
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