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Design of helicopter rotor blades for optimum dynamic characteristicsThe mass and stiffness distributions for helicopter rotor blades are tailored in such a way to give a predetermined placement of blade natural frequencies. The optimal design is pursued with respect of minimum weight, sufficient inertia, and reasonable dynamic characteristics. Finite element techniques are used as a tool. Rotor types include hingeless, articulated, and teetering.
Document ID
19850022731
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Peters, D. A. (Washington Univ. Saint Louis, MO, United States)
Ko, T. (Washington Univ. Saint Louis, MO, United States)
Korn, A. (Univ. of Southern Illinois Edwardsville, United States)
Rossow, M. P. (Univ. of Southern Illinois Edwardsville, United States)
Date Acquired
September 5, 2013
Publication Date
January 17, 1985
Subject Category
Aircraft Design, Testing And Performance
Report/Patent Number
NAS 1.26:176076
NASA-CR-176076
Accession Number
85N31044
Funding Number(s)
CONTRACT_GRANT: NAG1-250
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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