Physics, 04.10.2019 21:30, tybreyonnaHco7855

Ahot pipe 10.16 cm od and 50. long passes through a 40 c engines room. the temperature of the pipe surface is close to 150c. the pipe has a leyer of 2.45cm thick of polyurethane foam (kf=0.04w/m-k), and a protecting 2mm thick clean polished aluminium foil (kf=204.2 w/m-k, e=0). the heat transfer coefficient by convection to the air is 10 w/m2-k:

a) what is the total heat rate loss?

b) what is the temperature of the external aluminium surface?

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Ahot pipe 10.16 cm od and 50. long passes through a 40 c engines room. the temperature of the pipe s...