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---- External Forced Convection

— skin friction coefficient / Fanning friction factor w =shear stress at the wall = ( )at y=0 dy du ... local convective heat transfer coefficient ( ) ( / ) ( ) 0 = − − ∂ ∂ = − ≡ ∞ = ∞ T T k T y T T q h w f y w x x ( ) =0.99 − − T T∞ T T w w L 以下之定義...

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