Design a spherical tank, with a wall thickness of 2 cm that will assure that no more than 50 kg of hydrogen will be lost per year. The tank, which will operate at 500 °C, can be made of nickel, aluminum, copper, or iron. The diffusion coefficient of hydrogen and the cost per kg for each available material is listed here. (Assume that the tank capacity is 15 kg) Material D0 (cm2 /s) Q (cal/mol) Cost ($/kg) Nickel 0.0055 8900 9.0 Aluminium 0.16 10340 1.32 Copper 0.011 9380 2.43 Iron (BCC) 0.0012 3600 0.33

Design a spherical tank, with a wall thickness of 2 cm that will assure that no more than 50 kg of hydrogen will be lost per year. The tank, which will operate at 500 °C, can be made of nickel, aluminum, copper, or iron. The diffusion coefficient of hydrogen and the cost per kg for each available material is listed here. (Assume that the tank capacity is 15 kg) Material D0 (cm2 /s) Q (cal/mol) Cost ($/kg) Nickel 0.0055 8900 9.0 Aluminium 0.16 10340 1.32 Copper 0.011 9380 2.43 Iron (BCC) 0.0012 3600 0.33

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 9.29P

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