Method for determining pressure drop of air flowing through constant-area passages for arbitrary heat-input distributions

Benjamin Pinkel, Robert N. Noyes, Michael F. Valerino
naca-tn-2186
Sep 1950


A method is presented that enable convenient determination of the pressure drop sustained by air flowing at high subsonic speeds in a constant-area passage under the simultaneous influence of friction and heat addition. The method is applicable for arbitrary heat-flux distribution along the flow-passage length. Air-pressure-drop working charts based on the method developed are presented.

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