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A nuclear fuel element is in the form of long solid cylindrical rod (k=0.85 W/mK) of...

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Mechanical Engineering

A nuclear fuel element is in the form of long solidcylindrical rod (k=0.85 W/mK) of diameter 14 mm is generating heatat an uniform rate of 0.45×108 W/m3 because of nuclear fission.Heat is transfer to pressurized cooling water at 300 0C and surfaceheat transfer coefficient is 4500 W/m2k. calculate the maximumtemperature in the fuel rod in the system. What is the change inTmax if the fuel element is encapsulated in a thin metal claddingof thickness 0.5 mm. Neglect thermal resistance of thecladding.

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