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Flutter analysis of advanced turbopropellersThe two-dimensional subsonic cascade unsteady aerodynamic theory of Jones and Rao (1975) has been modified to account for the variable sweep angles of the blades of advanced turbopropellers. The aerodynamics and the structural modal properties have been formally integrated to determine the generalized aerodynamic coefficients matrix for the blade modes. Modal flutter analysis has been conducted for two SR-5 five- and ten-blade propellers, and analytical results have been found to be in very good agreement with wind tunnel test data.
Document ID
19830048606
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Elchuri, V. (Textron Bell Aerospace Co. Buffalo, NY, United States)
Smith, G. C. C. (Bell Aerospace Textron Buffalo, NY, United States)
Date Acquired
August 11, 2013
Publication Date
January 1, 1983
Subject Category
Structural Mechanics
Report/Patent Number
AIAA PAPER 83-0846
Report Number: AIAA PAPER 83-0846
Meeting Information
Meeting: Structures, Structural Dynamics and Materials Conference
Location: Lake Tahoe, NV
Start Date: May 2, 1983
End Date: May 4, 1983
Accession Number
83A29824
Funding Number(s)
CONTRACT_GRANT: NAS3-22533
Distribution Limits
Public
Copyright
Other

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