Provisional symbols and definitions for aircraft turbines

NACA Subcommitte on Turbines
naca-tn-1508
Mar 1949


In order to establish uniform and consistent turbine terminology for presenting results of investigations conducted by various laboratories, the NACA Subcommittee on Turbines has prepared a nomenclature with definitions of various turbine parameters and a consistent set of physical constants.

An Adobe Acrobat (PDF) file of the entire report:
http://naca.central.cranfield.ac.uk/reports/1949/naca-tn-1508.pdf