Generation of localized disturbances by surface vibrations behind the ledge in the laminar flow

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

Результат исследования: Публикации в книгах, отчётах, сборниках, трудах конференцийстатья в сборнике материалов конференциинаучнаярецензирование

Аннотация

The occurrence and development of hydrodynamic perturbations generated by low-frequency vibrations of a local section of a streamlined surface in a separated flow behind a rectangular ledge on a flat plate are investigated in the wind tunnel. The results were obtained by the hot-wire anemometry method at a low subsonic flow velocity. It is established that vibrations of the wall generate perturbations of the separation zone, which are streaky structures, and accompanying wave packets of oscillations. The separation of the laminar boundary layer promotes the growth of wave packets with subsequent turbulence of the wall flow.

Язык оригиналаанглийский
Название основной публикацииProceedings of the XXV Conference on High-Energy Processes in Condensed Matter, HEPCM 2017
Подзаголовок основной публикацииDedicated to the 60th Anniversary of the Khristianovich Institute of Theoretical and Applied Mechanics SB RAS
Редакторы Fomin
ИздательAmerican Institute of Physics Inc.
Число страниц8
Том1893
ISBN (электронное издание)9780735415782
DOI
СостояниеОпубликовано - 26 окт 2017
Событие25th Conference on High-Energy Processes in Condensed Matter, HEPCM 2017 - Novosibirsk, Российская Федерация
Продолжительность: 5 июн 20179 июн 2017

Серия публикаций

НазваниеAIP Conference Proceedings
ИздательAMER INST PHYSICS
Том1893
ISSN (печатное издание)0094-243X

Конференция

Конференция25th Conference on High-Energy Processes in Condensed Matter, HEPCM 2017
СтранаРоссийская Федерация
ГородNovosibirsk
Период05.06.201709.06.2017

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    Pavlenko, A. M., Katasonov, M. M., Kozlov, V. V., & Dovgal, A. V. (2017). Generation of localized disturbances by surface vibrations behind the ledge in the laminar flow. В Fomin (Ред.), Proceedings of the XXV Conference on High-Energy Processes in Condensed Matter, HEPCM 2017: Dedicated to the 60th Anniversary of the Khristianovich Institute of Theoretical and Applied Mechanics SB RAS (Том 1893). [030097] (AIP Conference Proceedings; Том 1893). American Institute of Physics Inc.. https://doi.org/10.1063/1.5007555