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Newton law of cooling and cooling collision.

  • Physics -

    I don't know what you mean by "cooling collision".

    His "law of cooling" of a surface is an approximation,

    q = A*h*(T - Tw), where

    A is the area
    T is the fluid temperature in the "free stream"
    h is the "film coefficient" which depends upon velocity, geometry and temperatures
    Tw is the wall temperature

    Values of h are usually calculated from dimensional analysis of experimental data.

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