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INFLUENCE OF UNSTEADY AERODYNAMIC MODELS ON AEROMECHANICAL STABILITY IN GROUND RESONANCE.
Peretz Friedmann P.,
Published in
1986
Volume: 31
   
Issue: 1
Pages: 65 - 74
Abstract
The aeromechanical stability of a helicopter in ground resonance was analyzed, using five different aerodynamic models in the coupled rotor/fuselage analysis. The sensitivity of the results to changes in aerodynamic modeling was examined. The theoretical results were compared with experimental data, and conclusions are drawn regarding the role of aerodynamic modeling on this aeromechanical stability problem. The aerodynamic model which provided the best overall correlation with the experimental data was identified.
About the journal
JournalJournal of the American Helicopter Society
ISSN00028711