Review boundary layer equations for heat transfer For heat transfer(conservation of energy) +1 Ox usually small,except for high speed or highly viscous flow Ou 1op 02u Momentum +V 8x ay p ox equation Begin to see where the momentum and heat transfer analogy is going..... OTOT 1a2T* Ox' +v dy' 2 *u* ou" Op' 1∂2u u +v 十 Or" ay ReL ayReview boundary layer equations for heat transfer • For heat transfer (conservation of energy) usually small, except for high speed or highly viscous flow Begin to see where the momentum and heat transfer analogy is going ….. 2 2 2                  y u y c T y T v x T u p   2 * 2 * * * * * * * * * Re 1 y u x P y u v x u u L             Re Pr 1 2 * 2 * * * * * * * y T y T v x T u L          2 2 1 y u x P y u v x u u               Momentum equation