Becker, John V Baals, Donald D
naca-report-773
1943
An analysis has been made by the NACA of the effects of heat and compressibility in the flow through the internal systems of aircraft. Equations and charts are developed whereby the flow characteristics at key stations in a typical internal system may be readily obtained.
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http://naca.central.cranfield.ac.uk/reports/1943/naca-report-773.pdf