Subsequent, you would probably apply this boundary problem and clear up for Fourier's 2nd Regulation to obtain the internal temperature distribution. Assuming no interior warmth technology, the answer is ρ C p ( ∂ T ∂ t + v → ▽ T ) = k ▽ T displaystyle rho C_ p ( partial T around partial t + overrightarrow v bigtriangledown T)=kbigtriang