Compare the coefficients predicted by the Donohue equation [Eq. (15.6)] with those found from Eq. (12.63) for

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Compare the coefficients predicted by the Donohue equation [Eq. (15.6)] with those found from Eq. (12.63) for flow normal to a single cylinder. Can the difference be reconciled by considering the maximum and average mass velocities in the shell side of the exchanger? 100 using

Eq. 15.6

The Donohue equation is 0.6 0.33 0.14 h.D. - 0.2 (D.G.) ** (H)** (1) *** k k (15.6)

Eq. 12.63

h.D. (Cpl kj kj 0.52 2.56 (D.G) RM = 0.35 +0.56( (12.63)

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Unit Operations Of Chemical Engineering

ISBN: 9780072848236

7th Edition

Authors: Warren McCabe, Julian Smith, Peter Harriott

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