Eddy diffusion calculation A stream of air at 100 kPa and 300 K is flowing on the top surface of a thin flat sheet of solid naphthalene of length 0.2 m with a velocity of 20 m/sec. The other data are: Mass diffusivity of naphthalene vapor in air = 6*106 m²/sec • Kinematic viscosity of air = 1.5 * 105 m²/sec Concentration of naphthalene at the air-solid naphthalene interface = 1*105 kmol/m³ Sh = 0.664 Re/Sc¹/3 where Re, = Lvp " Calculate: (a) The overage mass transfer coefficient over the flat plate (b) The rate of loss of naphthalene from the surface per unit width

Eddy diffusion calculation A stream of air at 100 kPa and 300 K is flowing on the top surface of a thin flat sheet of solid naphthalene of length 0.2 m with a velocity of 20 m/sec. The other data are: Mass diffusivity of naphthalene vapor in air = 6106 m²/sec • Kinematic viscosity of air = 1.5 105 m²/sec Concentration of naphthalene at the air-solid naphthalene interface = 1*105 kmol/m³ Sh = 0.664 Re/Sc¹/3 where Re, = Lvp " Calculate: (a) The overage mass transfer coefficient over the flat plate (b) The rate of loss of naphthalene from the surface per unit width

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)

8th Edition

ISBN:9781305387102

Author:Kreith, Frank; Manglik, Raj M.

Publisher:Kreith, Frank; Manglik, Raj M.

Chapter9: Heat Transfer With Phase Change

Section: Chapter Questions

Problem 9.26P

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