Transonic streamline of symmetric wing under the influence unilateral oscillations characterized by the spectrum of two frequencies

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Abstract

Forced high-frequency vibrations of the airfoil surface part with the amplitude almost equal to the sound velocity can change significantly the lift force of the symmetric profile streamlined at zero angle of attack. The oscillation consists of two harmonics. The ratio of harmonics frequencies values is equal to 2. The present work shows that the aerodynamic properties depend significantly on the specific energy contribution of each frequency.

Original languageEnglish
Article number012117
Number of pages6
JournalJournal of Physics: Conference Series
Volume894
Issue number1
DOIs
Publication statusPublished - 22 Oct 2017

Keywords

  • FLOW

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