Two scenarios of the development of instability in intense swirling flow

I.V. Naumov; V.L. Okulov; Jens Nørkær Sørensen

doi:10.1134/S1063785007090180

Two scenarios of the development of instability in intense swirling flow

I.V. Naumov, V.L. Okulov, Jens Nørkær Sørensen

Research output: Contribution to journal › Journal article › Research › peer-review

Abstract

The development of instability in a flow generated in a cylindrical cavity with a rotating endwall has been studied. Both possible scenarios of the development of instability, according to which the amplitude of velocity pulsation grows or decays with increasing swirl of the flow, have been observed for the first time. It is established that these processes depend on the appearance of secondary perturbations and on their relative frequency.

Original language	English
Journal	Technical Physics Letters
Volume	33
Issue number	9
Pages (from-to)	775-778
ISSN	1063-7850
DOIs	https://doi.org/10.1134/S1063785007090180
Publication status	Published - 2007

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title = "Two scenarios of the development of instability in intense swirling flow",

abstract = "The development of instability in a flow generated in a cylindrical cavity with a rotating endwall has been studied. Both possible scenarios of the development of instability, according to which the amplitude of velocity pulsation grows or decays with increasing swirl of the flow, have been observed for the first time. It is established that these processes depend on the appearance of secondary perturbations and on their relative frequency.",

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AU - Naumov, I.V.

AU - Okulov, V.L.

AU - Sørensen, Jens Nørkær

PY - 2007

Y1 - 2007

N2 - The development of instability in a flow generated in a cylindrical cavity with a rotating endwall has been studied. Both possible scenarios of the development of instability, according to which the amplitude of velocity pulsation grows or decays with increasing swirl of the flow, have been observed for the first time. It is established that these processes depend on the appearance of secondary perturbations and on their relative frequency.

AB - The development of instability in a flow generated in a cylindrical cavity with a rotating endwall has been studied. Both possible scenarios of the development of instability, according to which the amplitude of velocity pulsation grows or decays with increasing swirl of the flow, have been observed for the first time. It is established that these processes depend on the appearance of secondary perturbations and on their relative frequency.

U2 - 10.1134/S1063785007090180

DO - 10.1134/S1063785007090180

M3 - Journal article

SN - 1063-7850

VL - 33

SP - 775

EP - 778

JO - Technical Physics Letters

JF - Technical Physics Letters

IS - 9

ER -

Two scenarios of the development of instability in intense swirling flow

Abstract

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