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2. Design a spherical tank, with a wall thickness of 2.5 cm that will ensure that no more than 45 kg of hydrogen will be lost per year. The tank, which will operate at 500 °C, can be made from nickel, aluminum, copper, or iron (BCC). The diffusion coefficient of hydrogen and the cost per pound for each available material is listed in Table 1. Material Do (m2/s) Q (J/mol) Cost ($/kg) Nickel 5.5 x 10-7 37.2 16.09 Aluminium 1.6 x 10-5 43.2 2.66 Copper 1.1 x 10-6 39.3 9.48 Iron (BCC) 1.2 × 10-7 15.1 0.45 Table 1: Diffusion data for hydrogen at 500 °C and the cost of material.

2. Design a spherical tank, with a wall thickness of 2.5 cm that will ensure that no more than 45 kg of hydrogen will be lost per year. The tank, which will operate at 500 °C, can be made from nickel, aluminum, copper, or iron (BCC). The diffusion coefficient of hydrogen and the cost per pound for each available material is listed in Table 1. Material Do (m2/s) Q (J/mol) Cost ($/kg) Nickel 5.5 x 10-7 37.2 16.09 Aluminium 1.6 x 10-5 43.2 2.66 Copper 1.1 x 10-6 39.3 9.48 Iron (BCC) 1.2 × 10-7 15.1 0.45 Table 1: Diffusion data for hydrogen at 500 °C and the cost of material.

Introduction to Chemical Engineering Thermodynamics
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
Chapter1: Introduction
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2. Design a spherical tank, with a wall thickness of 2.5 cm that will ensure that no more than 45 kg of hydrogen will be lost per year. The tank, which will operate at 500 °C, can be made from nickel, aluminum, copper, or iron (BCC). The diffusion coefficient of hydrogen and the cost per pound for each available material is listed in Table 1. Material Do (m2/s) Q (J/mol) Cost ($/kg) Nickel 5.5 x 10-7 37.2 16.09 Aluminium 1.6 x 10-5 43.2 2.66 Copper 1.1 x 10-6 39.3 9.48 Iron (BCC) 1.2 × 10-7 15.1 0.45 Table 1: Diffusion data for hydrogen at 500 °C and the cost of material.
Transcribed Image Text:2. Design a spherical tank, with a wall thickness of 2.5 cm that will ensure that no more than 45 kg of hydrogen will be lost per year. The tank, which will operate at 500 °C, can be made from nickel, aluminum, copper, or iron (BCC). The diffusion coefficient of hydrogen and the cost per pound for each available material is listed in Table 1. Material Do (m2/s) Q (J/mol) Cost ($/kg) Nickel 5.5 x 10-7 37.2 16.09 Aluminium 1.6 x 10-5 43.2 2.66 Copper 1.1 x 10-6 39.3 9.48 Iron (BCC) 1.2 × 10-7 15.1 0.45 Table 1: Diffusion data for hydrogen at 500 °C and the cost of material.
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