Question: Problem 4 : An electronic device is contained in a cylinder 1 0 cm in diameter and 3 0 cm long. It operates inside an

Problem 4: An electronic device is contained in a cylinder 10 cm in diameter and 30 cm long. It operates
inside an unpressurized module of an orbiting space station. The device dissipates 60 W , and its
temperature must not exceed 80C when the module walls are at -80C. What value of emittance should
be specified for the surface coating of the cylinder?
Problem 4 : An electronic device is contained in

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