Chart for simplifying calculations of pressure drop of a high-speed compressible fluid under simultaneous action of friction and heat transfer - application to combustion-chamber cooling passages

Merwin Sibulkin, William K. Koffel
naca-tn-2067
Mar 1950


A method for calculating the pressure drop of a high-speed compressible fluid in a constant-area duct under the simultaneous action of friction and heat transfer is developed. The method is based on the assumption of an exponential longitudinal temperature distribution.

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