Solution Manual Heat And Mass Transfer Cengel 5th Edition Chapter 3 Link

Alternatively, the rate of heat transfer from the wire can also be calculated by:

The rate of heat transfer is:

Assuming $h=10W/m^{2}K$,

$\dot{Q}=10 \times \pi \times 0.08 \times 5 \times (150-20)=3719W$ Alternatively, the rate of heat transfer from the

$T_{c}=T_{s}+\frac{P}{4\pi kL}$