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thank you b) Air at 55C is flowing parallel to a flat plate coated with naphthalene. The plate is 1.5m long and the air velocity

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b) Air at 55C is flowing parallel to a flat plate coated with naphthalene. The plate is 1.5m long and the air velocity is 0.23m/s. The diffusivity and solubility of naphthalene in air at 25C is 2.46106m2/s and 0.02948kgmol/m3 respectively. Calculate the mass transfer rate of naphthalene (assume y1=1 ). The properties of air are given as follows: Viscosity at 55C=1.93105Pa.S; Density at 55C=1.113kg/m3 (10 marks)

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