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Stability derivatives for bodies of revolution at subsonic speedsThe paper considers a rigid pointed body of revolution in a steady uniform subsonic flow. The body performs harmonic small-amplitude pitching oscillations around its zero angle of attack position. The body is assumed to be smooth and sufficiently slender so that the small perturbation concept can be applied. The basis of the method used, following Revell (1960), is the relation of a body-fixed perturbation potential to the general velocity potential. Normal force distributions as well as total force and moment coefficients are calculated for parabolic spindles and the numerical results show good agreement between Revell's second-order slender body theory and the present theory for the static stability derivatives of the parabolic spindles.
Document ID
19760048221
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Liu, D. D.
(Northrop Corp. Hawthorne, Calif., United States)
Platzer, M. F.
(U.S. Naval Postgraduate School Monterey, Calif., United States)
Ruo, S. Y.
(Lockheed-Georgia Co. Marietta, Ga., United States)
Date Acquired
August 8, 2013
Publication Date
February 1, 1976
Publication Information
Publication: AIAA Journal
Volume: 14
Subject Category
Aerodynamics
Accession Number
76A31187
Funding Number(s)
CONTRACT_GRANT: NAS8-20082
Distribution Limits
Public
Copyright
Other

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