Experimental study of disturbances generated by the surface vibrations of a localized region in the boundary layer of the swept-wing

A. M. Pavlenko, M. M. Katasonov, V. V. Kozlov, A. M. Sorokin

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Abstract

The origin and evolution of hydrodynamic perturbations generated by three-dimensional vibrating surface in the swept wing boundary layer under conditions of low turbulence of the incoming flow is experimentally investigated in a subsonic wind tunnel. The results are obtained using the hot-wire anemometry. It is found, that vibrator's work produce perturbations named streaky structures consisting of a localized longitudinal structure and wave packets on its fronts. Separation of laminar boundary layer induces the growth of wave packet followed by near-wall flow turbulization. The influence of the pressure gradient and the secondary flow on the evolution of simulated disturbances is studied in detail.

Original languageEnglish
Title of host publication19th International Conference on the Methods of Aerophysical Research, ICMAR 2018
EditorsVasily Fomin
PublisherAmerican Institute of Physics Inc.
Number of pages7
ISBN (Electronic)9780735417472
DOIs
Publication statusPublished - 2 Nov 2018
Externally publishedYes
Event19th International Conference on the Methods of Aerophysical Research, ICMAR 2018 - Akademgorodok, Novosibirsk, Russian Federation
Duration: 13 Aug 201819 Aug 2018

Publication series

NameAIP Conference Proceedings
Volume2027
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Conference

Conference19th International Conference on the Methods of Aerophysical Research, ICMAR 2018
CountryRussian Federation
CityAkademgorodok, Novosibirsk
Period13.08.201819.08.2018

Keywords

  • EVOLUTION
  • NONSWEPT
  • WAVE-PACKETS

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