КФУ. Карточка публикации. Viscous near-wall flow in a wake of circular cylinder at moderate Reynolds numbers

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VISCOUS NEAR-WALL FLOW IN A WAKE OF CIRCULAR CYLINDER AT MODERATE REYNOLDS NUMBERS

Форма представления

Статьи в зарубежных журналах и сборниках

Год публикации

2017

Язык

английский

Авторы, сотрудники КФУ

Мазо Александр Бенцианович, автор

Другие авторы

Молочников Валерий Михайлович, автор

Авторы, аспиранты КФУ

Охотников Дмитрий Иванович, автор

Библиографическое описание на языке оригинала

D.I. Okhotnikov, V.М. Molochnikov, А.B. Маzо, А.V. Маlyukov, А.Е. Goltsman, I.I. Saushin. Viscous near-wall flow in a wake of circular cylinder at moderate Reynolds numbers // Thermophysics and Aeromechanics, 2017, Vol. 24, No. 6. P.873-882

Аннотация

Here we present the results of experimental investigation of a cross flow around a circular cylinder mounted near the wall of a channel with rectangular cross section. The experiments were carried out in the range of Reynolds numbers corresponding to the transition to turbulence in a wake of the cylinder. Flow visualization and SIV-measurements of instantaneous velocity fields were carried out. Evolution of the flow pattern behind the cylinder and formation of the regular vortex structures were analyzed. It is shown that in the case of flow around the cylinder, there is no spiral motion of fluid from the side walls of the channel towards its symmetry plane, typical of the flow around a spanwise rib located on the channel wall. The laminar-turbulent transition in the wake of the cylinder is caused by the shear layer instability.

Ключевые слова

circular cylinder, channel, visualization, SIV-measurements, separation region, shear layer, loss of stability, transition to turbulence, velocity profiles, root-mean-square velocity fluctuations

Название журнала

Thermophysics and Aeromechanics

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https://repository.kpfu.ru/?p_id=176403

Полная запись метаданных

Поле DC	Значение	Язык
dc.contributor.author	Мазо Александр Бенцианович	ru_RU
dc.contributor.author	Молочников Валерий Михайлович	ru_RU
dc.contributor.author	Охотников Дмитрий Иванович	ru_RU
dc.date.accessioned	2017-01-01T00:00:00Z	ru_RU
dc.date.available	2017-01-01T00:00:00Z	ru_RU
dc.date.issued	2017	ru_RU
dc.identifier.citation	D.I. Okhotnikov, V.М. Molochnikov, А.B. Маzо, А.V. Маlyukov, А.Е. Goltsman, I.I. Saushin. Viscous near-wall flow in a wake of circular cylinder at moderate Reynolds numbers // Thermophysics and Aeromechanics, 2017, Vol. 24, No. 6. P.873-882	ru_RU
dc.identifier.uri	https://repository.kpfu.ru/?p_id=176403	ru_RU
dc.description.abstract	Thermophysics and Aeromechanics	ru_RU
dc.description.abstract	Here we present the results of experimental investigation of a cross flow around a circular cylinder mounted near the wall of a channel with rectangular cross section. The experiments were carried out in the range of Reynolds numbers corresponding to the transition to turbulence in a wake of the cylinder. Flow visualization and SIV-measurements of instantaneous velocity fields were carried out. Evolution of the flow pattern behind the cylinder and formation of the regular vortex structures were analyzed. It is shown that in the case of flow around the cylinder, there is no spiral motion of fluid from the side walls of the channel towards its symmetry plane, typical of the flow around a spanwise rib located on the channel wall. The laminar-turbulent transition in the wake of the cylinder is caused by the shear layer instability.	ru_RU
dc.language.iso	ru	ru_RU
dc.subject	circular cylinder	ru_RU
dc.subject	channel	ru_RU
dc.subject	visualization	ru_RU
dc.subject	SIV-measurements	ru_RU
dc.subject	separation region	ru_RU
dc.subject	shear layer	ru_RU
dc.subject	loss of stability	ru_RU
dc.subject	transition to turbulence	ru_RU
dc.subject	velocity profiles	ru_RU
dc.subject	root-mean-square velocity fluctuations	ru_RU
dc.title	Viscous near-wall flow in a wake of circular cylinder at moderate Reynolds numbers	ru_RU
dc.type	Статьи в зарубежных журналах и сборниках	ru_RU