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Mechanical Engineering

Ahmed Diaa

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  1. It depends whether it is a design process or ratting process ......for Design process you want to find the area so you must know the following :;:; Hot fluid mass flow rate . Heat capacity and temperatures (in and out ).cold fluid mass flowrate ..heat capacity and temperatures too .and you need to know the over all heat transfer coefficient. For ratting ;:;:: You must know the area the mass flow rate ..the heat capacity and the overall heat transfer coefficient . ...trying to know the output temperatures and that is called ratting . Remember that you must define the type of the heat exchanger first Ahmed diaa
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