Turbulence stripe in transitional channel flow with/without system rotation

Takahiro Tsukahara; Yasuo Kawaguchi; Hiroshi Kawamura; Nils Tillmark; P. Henrik Alfredsson

doi:10.1007/978-90-481-3723-7_68

Turbulence stripe in transitional channel flow with/without system rotation

Takahiro Tsukahara, Yasuo Kawaguchi, Hiroshi Kawamura, Nils Tillmark, P. Henrik Alfredsson

Department of Mechanical and Aerospace Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

28 Citations (Scopus)

Abstract

We report direct numerical simulations and experiments conducted in two types of plane channel flows-plane Poiseuille flow and plane Couette flows without/ with system rotation-considering the subcritical-transition regime with using large aspect-ratio computational domains and channels. Both flows give rise to coexisting laminar and turbulent equilibrium regions in the form of oblique stripes, which are tilted by a certain angle with respect to the mean flow. When subjected to a stabilizing rotation, the Couette turbulence is locally quenched and exhibits the stripe pattern as similar to non-rotating cases. In this context, the turbulence stripe can be seen as an intrinsic phenomenon in the reverse transition in a channel flow.

Original language	English
Title of host publication	7th IUTAM Symposium on Laminar-Turbulent Transition - Proceedings of the 7th IUTAM Symposium on Laminar-Turbulent Transition
Publisher	Springer Verlag
Pages	421-426
Number of pages	6
ISBN (Print)	9789048137220
DOIs	https://doi.org/10.1007/978-90-481-3723-7_68
Publication status	Published - 2010
Event	7th IUTAM Symposium on Laminar-Turbulent Transition - Stockholm, Sweden Duration: 23 Jun 2009 → 26 Jun 2009

Publication series

Name	IUTAM Bookseries
Volume	18
ISSN (Print)	1875-3507

Conference

Conference	7th IUTAM Symposium on Laminar-Turbulent Transition
Country/Territory	Sweden
City	Stockholm
Period	23/06/09 → 26/06/09

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10.1007/978-90-481-3723-7_68

Cite this

Tsukahara, T., Kawaguchi, Y., Kawamura, H., Tillmark, N., & Alfredsson, P. H. (2010). Turbulence stripe in transitional channel flow with/without system rotation. In 7th IUTAM Symposium on Laminar-Turbulent Transition - Proceedings of the 7th IUTAM Symposium on Laminar-Turbulent Transition (pp. 421-426). (IUTAM Bookseries; Vol. 18). Springer Verlag. https://doi.org/10.1007/978-90-481-3723-7_68

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abstract = "We report direct numerical simulations and experiments conducted in two types of plane channel flows-plane Poiseuille flow and plane Couette flows without/ with system rotation-considering the subcritical-transition regime with using large aspect-ratio computational domains and channels. Both flows give rise to coexisting laminar and turbulent equilibrium regions in the form of oblique stripes, which are tilted by a certain angle with respect to the mean flow. When subjected to a stabilizing rotation, the Couette turbulence is locally quenched and exhibits the stripe pattern as similar to non-rotating cases. In this context, the turbulence stripe can be seen as an intrinsic phenomenon in the reverse transition in a channel flow.",

author = "Takahiro Tsukahara and Yasuo Kawaguchi and Hiroshi Kawamura and Nils Tillmark and Alfredsson, {P. Henrik}",

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Tsukahara, T, Kawaguchi, Y, Kawamura, H, Tillmark, N & Alfredsson, PH 2010, Turbulence stripe in transitional channel flow with/without system rotation. in 7th IUTAM Symposium on Laminar-Turbulent Transition - Proceedings of the 7th IUTAM Symposium on Laminar-Turbulent Transition. IUTAM Bookseries, vol. 18, Springer Verlag, pp. 421-426, 7th IUTAM Symposium on Laminar-Turbulent Transition, Stockholm, Sweden, 23/06/09. https://doi.org/10.1007/978-90-481-3723-7_68

Turbulence stripe in transitional channel flow with/without system rotation. / Tsukahara, Takahiro; Kawaguchi, Yasuo; Kawamura, Hiroshi et al.
7th IUTAM Symposium on Laminar-Turbulent Transition - Proceedings of the 7th IUTAM Symposium on Laminar-Turbulent Transition. Springer Verlag, 2010. p. 421-426 (IUTAM Bookseries; Vol. 18).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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T1 - Turbulence stripe in transitional channel flow with/without system rotation

AU - Tsukahara, Takahiro

AU - Kawaguchi, Yasuo

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AU - Tillmark, Nils

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PY - 2010

Y1 - 2010

N2 - We report direct numerical simulations and experiments conducted in two types of plane channel flows-plane Poiseuille flow and plane Couette flows without/ with system rotation-considering the subcritical-transition regime with using large aspect-ratio computational domains and channels. Both flows give rise to coexisting laminar and turbulent equilibrium regions in the form of oblique stripes, which are tilted by a certain angle with respect to the mean flow. When subjected to a stabilizing rotation, the Couette turbulence is locally quenched and exhibits the stripe pattern as similar to non-rotating cases. In this context, the turbulence stripe can be seen as an intrinsic phenomenon in the reverse transition in a channel flow.

AB - We report direct numerical simulations and experiments conducted in two types of plane channel flows-plane Poiseuille flow and plane Couette flows without/ with system rotation-considering the subcritical-transition regime with using large aspect-ratio computational domains and channels. Both flows give rise to coexisting laminar and turbulent equilibrium regions in the form of oblique stripes, which are tilted by a certain angle with respect to the mean flow. When subjected to a stabilizing rotation, the Couette turbulence is locally quenched and exhibits the stripe pattern as similar to non-rotating cases. In this context, the turbulence stripe can be seen as an intrinsic phenomenon in the reverse transition in a channel flow.

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BT - 7th IUTAM Symposium on Laminar-Turbulent Transition - Proceedings of the 7th IUTAM Symposium on Laminar-Turbulent Transition

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T2 - 7th IUTAM Symposium on Laminar-Turbulent Transition

Y2 - 23 June 2009 through 26 June 2009

ER -

Turbulence stripe in transitional channel flow with/without system rotation

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