A spent fuel rod is placed in a canister. A vacuum pump is used to remove all air and establish…

A spent fuel rod is placed in a canister. A vacuum pump is
used to remove all air and establish vacuum in the canister. The surface
temperature of the rod must not exceed 392 F (200 C) when the temperature of
the ambient is at 40 C (104 F). For a heat transfer coefficient of 1.5
Btu/h·ft2 ·F (8.5 W/m2 ·C) find the canister wall temperature. Ignore
conduction heat transfer between the rod and the canister. _ = 0.6.