Hydrogen at a pressure of 2 atm flows within a tube
Chapter 14, Problem 14.21(choose chapter or problem)
Hydrogen at a pressure of 2 atm flows within a tube ofdiameter 40 mm and wall thickness 0.5 mm. The outersurface is exposed to a gas stream for which the hydro-gen partial pressure is 0.1 atm. The mass diffusivityand solubility of hydrogen in the tube material are1.8?10?11m2/s and 160 kmol/m3?atm, respectively.When the system is at 500 K, what is the rate of hydro-gen transfer through the tube per unit length (kg/s?m)
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