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.

Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
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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.

Diffusion Data
Do (cm/s)
Cost (S/kg)
Q (cal/mol)
8,900
10,340
| 9,380
3,600
Material
Nickel
0.0055
9.0
Aluminium
0.16
1.32
Сорper
Iron (BCC)
0.011
2.43
0.0012
0.33
Transcribed Image Text:Diffusion Data Do (cm/s) Cost (S/kg) Q (cal/mol) 8,900 10,340 | 9,380 3,600 Material Nickel 0.0055 9.0 Aluminium 0.16 1.32 Сорper Iron (BCC) 0.011 2.43 0.0012 0.33
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