Explanation is advanced for cause of vibration in rotary wing systems in forward flight based on fact that down-wash is greater in rear of swept disk than in front part; estimate of magnitude of down-wash variation at different forward speeds is made.
Periodic aerodynamic forces on rotors in forward flight
J Aeronautical Sciences
Journal of the Aeronautical Sciences ; 11 , n 4 ; p 339-342
1944
4 pages
Bibliography
Article (Journal)
English
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Aerodynamic Geometry Optimization of Coaxial Rigid Rotors in Forward Flight
British Library Conference Proceedings | 2018
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