Chegg. Study TEXTBOOK SOLUTIONS EXPERT Q&A; Search Heat And Mass Transfer |(5th

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Chegg. Study TEXTBOOK SOLUTIONS EXPERT Q&A; Search Heat And Mass Transfer |(5th Edition) Chapter 5, Problem 159P Show all steps: ON ?? Problem Design a fire-resistant safety box whose outer dimensions are 0.5 m x 0.5 m x 0.5 m that will protect its combustible contents from fire which may last up to 2 h. Assume the box will be exposed to an environment at an average temperature of 700°C with a combined heat transfer coefficient of 70 W/m2-K and the temperature inside the box must be below 150°C at the end of 2 h. The cavity of the box must be as large as possible while meeting the design constraints, and the insulation material selected must withstand the high temperatures to which it will be exposed. Cost, durability, and strength are also important considerations in the selection of insulation materials ciciet of 0 Wim2 K and the temperature inside the box must be Step-by-step solution There is no solution to this problem yet. Get help from a Chegg subject expert.

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Sorry bro. Tried a lot but can't figure out the answer.

I think you can just find aa manual somewhere or the other.

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