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Response, Loads and Stability of Rotors With Interconnected Blades

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Abstract:

An isolated rotor with blades interconnected through viscoelastic elements is analyzed for response, loads and stability in moment trim under forward flight conditions. A conceptual model of a multibladed rotor with rigid flap and lag motions is considered. Although the interconnecting elements are placed in the in‐plane direction, considerable coupling between the flap‐lag motions of the blades can occur in certain ranges of interblade element stiffness. Interblade coupling can yield significant changes in the response, loads and stability which are dependent on the interblade element and rotor parameters.

Document Type: Research Article

DOI: http://dx.doi.org/10.4050/JAHS.41.283

Affiliations: Helicopter Design Bureau, Hindustan Aeronautics Ltd., Bangalore 560017, India

Publication date: October 1, 1996

More about this publication?
  • The Journal of the American Helicopter Society is the world's only scientific journal dedicated to vertical flight technology. It is a peer-reviewed technical journal published quarterly by AHS International and presents innovative papers covering the state-of-the-art in all disciplines of rotorcraft design, research and development. (Please note that AHS members receive significant discounts on articles and subscriptions.)

    Journal subscribers who are AHS members log in here if you are not already logged in.

    Authors can find submission guidelines and related information on the AHS website.

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