In addition to earlier work, in this paper the validation of a lifting surface theory for advanced, single rotation propellers is extended by a comparison with experiments carried out in the Brite-EuRam project SNAAP (Study of Noise and Aerodynamics of Advanced Propellers) of the European Union. In general an acceptable agreement between theory and experiment is found, even at the highest forward speed of Mach = 0.78 where the propeller tip operates supersonically, the Inclusion of the suction analogy, which accounts for the leading edge separation vortex, essentially improves the predictions at high aerodynamic loading.
Comparison of Measured and Predicted Noise of the Brite-EuRam SNAAP Advanced Propellers
1997
20 pages
Report
Keine Angabe
Englisch
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