Solution Manual Heat And Mass Transfer Cengel 5th Edition Chapter 3 !!hot!! 💯 Must Try

$\dot{Q} {conv}=\dot{Q} {net}-\dot{Q} {rad}-\dot{Q} {evap}$

$\dot{Q}=\frac{T_{s}-T_{\infty}}{\frac{1}{2\pi kL}ln(\frac{r_{o}+t}{r_{o}})}$

$\dot{Q}_{cond}=0.0006 \times 1005 \times (20-32)=-1.806W$