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Calculate the mass transfer coefficient and molar flux for flow of a fluid over a flat plate. Part A . Pure water at 5 0
Calculate the mass transfer coefficient and molar flux for flow of a fluid over a flat plate. Part A Pure water at is flowing parallel over a flat plate of solid benzoic acid that is long at a velocity of The benzoic acid is dissolving and diffusing into the water at steadystate. The density of water at is the viscosity is and the solubility of benzoic acid in water is The diffusivity of benzoic acid in water at is and the viscosity of water at is s Calculate the mass transfer coefficient and the molar flux of benzoic acid Part B Pure dry air at is flowing parallel over a volume of liquid water with a length with a velocity of The water, which completely wets the surface that is blotting paper, is diffusing into the air at steady state. The density of air at is the viscosity is and the vapor pressure of water is atm. The diffusivity of water vapor in air at is The total pressure of the system can be assumed to be constant at atm. Calculate the mass transfer coefficient and the molar flux of water Part C A sphere of naphthalene inch in diameter is placed in air at flowing with a velocity of The vapor pressure of solid naphthalene is and the diffusivity of naphthalene in air and at is Determine the mass transfer coefficient : in lbmol:atm and the mass transfer flux of naphthalene to air and the total mass evaporated WA in Ibmolhr in this stagnant air at and atm. Data: Properties air atm and are: Density Viscosity
Calculate the mass transfer coefficient and molar flux for flow of a fluid over a flat plate.
Part A Pure water at is flowing parallel over a flat plate of solid benzoic acid that is long at a velocity of The benzoic acid is dissolving and diffusing into the water at steadystate. The density of water at is the viscosity is and the solubility of benzoic acid in water is The diffusivity of benzoic acid in water at is and the viscosity of water at is s Calculate the mass transfer coefficient and the molar flux of benzoic acid
Part B Pure dry air at is flowing parallel over a volume of liquid water with a length with a velocity of The water, which completely wets the surface that is blotting paper, is diffusing into the air at steady state. The density of air at is the viscosity is and the vapor pressure of water is atm. The diffusivity of water vapor in air at is The total pressure of the system can be assumed to be constant at atm. Calculate the mass transfer coefficient and the molar flux of water
Part C
A sphere of naphthalene inch in diameter is placed in air at flowing with a velocity of The vapor pressure of solid naphthalene is and the diffusivity of naphthalene in air and at is Determine the mass transfer coefficient : in lbmol:atm and the mass transfer flux of naphthalene to air and the total mass evaporated WA in Ibmolhr in this stagnant air at and atm.
Data:
Properties air atm and are:
Density
Viscosity
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