NDLI: Forward-swept fan flutter calculated using turbo code

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Forward-swept fan flutter calculated using turbo code

Content Provider	NASA Technical Reports Server (NTRS)
Author	Stefko, George L. Bakhle, Milind A. Srivastava, Rakesh
Copyright Year	2003
Description	Flutter, a self-excited dynamic instability arising because of fluid structure interaction, can be a significant design problem for rotor blades in gas turbines. Blade shapes influenced by noise-reduction requirements increase the likelihood of flutter in modern blade designs. Validated numerical methods provide designers an invaluable tool to calculate and avoid the flutter instability during the design phase. Toward this objective, a flutter analysis code, TURBO, was developed and validated by researchers from the NASA Glenn Research Center and other researchers working under grants and contracts with Glenn. The TURBO code, which is based on unsteady three-dimensional Reynolds-averaged Navier-Stokes equations was used to calculate the observed flutter of a forward-swept fan. The forward-swept experimental fan, designed to reduce noise, showed flutter at part-speed conditions during wind tunnel tests.
File Size	119981
Page Count	3
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_20050214872
Archival Resource Key	ark:/13960/t7tn25s0v
Language	English
Publisher Date	2003-03-01
Access Restriction	Open
Subject Keyword	Numerical Analysis Navier-stokes Equation Gas Turbines Wind Tunnel Tests Reynolds Averaging Flutter Flutter Analysis Design Analysis Reynolds Equation Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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