Original title: Some experimentally determined properties of a profile in case of self-excited oscillations in subsonic flow
Authors: Vlček, Václav ; Zolotarev, Igor ; Kozánek, Jan ; Šidlof, Petr ; Štěpán, M.
Document type: Papers
Conference/Event: DYMAMESI 2017, Cracow (PL), 20170228
Year: 2017
Language: eng
Abstract: In the wind tunnel of the Institute of Thermomechanics of the AS CR,v .v. i., experiments were realized with the profile NACA0015 in the presence of the self-excited oscillation. The oscillation of the profile with pitch and plunge degrees of freedom was excited by the subsonic air flow. The plunge support had the same elasticity for all experiments, the pitch support had seven different values of elasticity. Within experiments different types of self-excited vibration (flutter, stall flutter, deep stall flutter) were realized. Range of Mach numbers were M=0.08–0.45, when the chord length is used as the characteristic dimension of the profile. The frequency and amplitude characteristics of the oscillating profile were experimentally determined.\n
Keywords: aeroelasciticy; airfoil; dynamic stall; limit cycle oscillations; self -excited vibrations; stall flutter
Project no.: StrategieAV21/3
Funding provider: AV ČR
Host item entry: DYMAMESI 2017, ISBN 978-80-87012-62-8

Institution: Institute of Thermomechanics AS ČR (web)
Document availability information: Fulltext is available at the institute of the Academy of Sciences.
Original record: http://hdl.handle.net/11104/0273610

Permalink: http://www.nusl.cz/ntk/nusl-363520


The record appears in these collections:
Research > Institutes ASCR > Institute of Thermomechanics
Conference materials > Papers
 Record created 2017-08-31, last modified 2021-11-24


No fulltext
  • Export as DC, NUŠL, RIS
  • Share