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Hydrogen at 1.0 MPa is to be stored at 400oCin outer space, in a
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Hydrogen at 1.0 MPa is to be stored at 400oCin outer space, in a thin wall (0.1 mm) spherical iron tank of 0.1 m radius.Please calculate the rate of pressure drop (MPa/s) as a result of diffusion of hydrogen through the wall.TakeD=10-8m2/s,and assume that the concentration of hydrogen in the iron at either side of the wall is the equilibrium solubility given by theequationcH(p) = 10-5p1/2gmH/gmFe (pin MPa)

 







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This question was answered on: Feb 21, 2020

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