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A pressure vessel is being designed to hold compressed methane to fuel a liquid rocket motor...

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Mechanical Engineering

A pressure vessel is being designed to hold compressed methaneto fuel a liquid rocket motor at a maximum pressure of 50 bar. Ifthe methane is to be stored at 40 bar, -18 C, determine the masscontained in a 10 m3 tank using the following assumptions:

a) The ideal gas equation of state.

b) The van der Waals equation of state.

c) Using CoolProp. Comment on the accuracy of each.

Answer & Explanation Solved by verified expert
4.2 Ratings (786 Votes)
SOLUTION a Ideal gas equation is PV n RT P 40 x 105 Pa 40 x 102 kpa R 8314 JmoleK V 10m3 T 18 273 255K so that n PVRT n 40 x102 x108314 x 255 n 1886 mol n mMolecular weight of Methane Molecular    See Answer
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