Convective Transport Equations Summary General boundary layer equations Ou Ov -0 ox dy --1OP *v6 u u =0 8x ay pox 02 atat [-aS (ou +V ax a 2 Nusselt number for heat transfer coefficient in the thermal boundary layer Nu= hL=f.ReL.Pr) Local k Nu= =f(ReL.Pr) kr Average Empirical evaluation of Nusselt number involves correlations incorporating Re and Pr Local heat flux is:where h is the q"-h(Ts-T)local heat transfer coefficient• General boundary layer equations • Nusselt number for heat transfer coefficient in the thermal boundary layer • Empirical evaluation of Nusselt number involves correlations incorporating Re and Pr Convective Transport Equations Summary  0      y v x u 2 2 1 y u x P y u v x u u                0   y P 2 2 2                  y u y c T y T v x T u p     Re ,Pr Average ,Re ,Pr Local * L f L f f k h L Nu f x k h L Nu     • Local heat flux is: where h is the local heat transfer coef icient q   h(T T ) s