Applying phase averaging technique to analysis of unsteady twin vortex structure observed in tangential vortex chamber

Результат исследования: Научные публикации в периодических изданияхстатья по материалам конференции

Аннотация

This paper is devoted to experimental investigation of formation of precessing vortices pair in a vortex chamber with a cylindrical working area. Flow structure was registered by means of a high-speed visualization technique. Quantitative measurements characterizing the vortex properties were carried out using a 2D particle image velocimetry (PIV) technique synchronized with wall pressure measurements. The results show that two symmetrical precessing helical vortices are present downstream of the tangential nozzles.The phase- averaged analysis confirms the presence of large-scale twin vortex structure that visualized by small air bubbles dissolved in water.

Язык оригиналаанглийский
Номер статьи012042
Число страниц5
ЖурналJournal of Physics: Conference Series
Том1382
Номер выпуска1
DOI
СостояниеОпубликовано - 28 ноя 2019
Событие3th Siberian Thermophysical Seminar, STS 2019 - Novosibirsk, Российская Федерация
Продолжительность: 27 авг 201929 авг 2019

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