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Record Details

Record 44 of 29381
Selected topics in experimental aeroelasticity at the NASA Langley Research Center
Author and Affiliation:
Ricketts, R. H.(NASA Material and Structures Div., Washington, DC, United States)
Abstract: The results of selected studies that have been conducted by the NASA Langley Research Center in the last three years are presented. The topics presented focus primarily on the ever-important transonic flight regime and include the following: body-freedom flutter of a forward-swept-wing configuration with and without relaxed static stability; instabilities associated with a new tilt-rotor vehicle; effects of winglets, supercritical airfoils, and spanwise curvature on wing flutter; wind-tunnel investigation of a flutter-like oscillation on a high-aspect-ratio flight research wing; results of wing-tunnel demonstration of the NASA decoupler pylon concept for passive suppression of wing/store flutter; and, new flutter testing methods which include testing at cryogenic temperatures for full scale Reynolds number simulation, subcritical response techniques for predicting onset of flutter, and a two-degree-of-freedom mount system for testing side-wall-mounted models.
Publication Date: Jan 01, 1985
Document ID:
19860048505
(Acquired Nov 28, 1995)
Accession Number: 86A33243
Subject Category: AIRCRAFT DESIGN, TESTING AND PERFORMANCE
Document Type: Conference Paper
Publication Information: (SEE A86-33226)
Publisher Information: Germany
Financial Sponsor: NASA; United States
Organization Source: NASA; Washington, DC, United States
Description: 13p; In English
Distribution Limits: Unclassified; Publicly available; Unlimited
Rights: Copyright
NASA Terms: AEROELASTICITY; TRANSONIC FLOW; TRANSONIC FLUTTER; WIND TUNNEL TESTS; AERODYNAMIC CONFIGURATIONS; EXTERNAL STORES; REYNOLDS NUMBER; ROTORS; SIMULATION; STATIC STABILITY; SWEPT FORWARD WINGS
Imprint And Other Notes: IN: International Symposium on Aeroelasticity and Structural Dynamics, 2nd, Aachen, West Germany, April 1-3, 1985, Collected Papers (A86-33226 14-01). Bonn, Deutsche Gesellschaft fuer Luft- und Raumfahrt, 1985, p. 244-256. Previously announced in STAR as N85-30364.
Availability Source: Other Sources
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