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Air at 45C flows parallel to a 25 cm by 20 cm square plate made of naphthalene. The superficial velocity of the air is 0.5

Air at 45C flows parallel to a 25 cm by 20 cm square plate made of naphthalene. The superficial velocity of the air is 0.5 m/s flowing parallel to the longer side. The diffusivity of naphthene in air at 45C is 6.92 10-6 m2/s and the vapor pressure of solid naphthalene is 0.555 mm Hg.

a. Calculate the mass transfer coefficient using:

i. Reynolds Analogy

ii. Taylor-Prandtl Analogy

iii. Von Karman Analogy

iv. Chilton-Colburn J-Factor Analogy

v. Correlations

b. Using the mass transfer coefficient from correlations, determine the sublimation rate of naphthalene from the plate.

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