Reduction of Ekman circulation within Taylor-Couette flow

M. J. Burin; H. Ji; E. Schartman; R. Cutler; P. Heitzenroeder; W. Liu; L. Morris; S. Raftopolous

doi:10.1007/s00348-006-0132-y

Reduction of Ekman circulation within Taylor-Couette flow

M. J. Burin, H. Ji, E. Schartman, R. Cutler, P. Heitzenroeder, W. Liu, L. Morris, S. Raftopolous

Astrophysical Sciences

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32 Scopus citations

Abstract

We demonstrate experimentally that independently rotating intermediary end-rings between the cylinders of a Taylor-Couette apparatus can be utilized to reduce friction-driven secondary flow, i.e. Ekman circulation. This allows for velocity profiles in a device of small aspect ratio to be less constrained by 'end effects', so that the resulting wide-gap flows can be made to have a radial distribution of circumferential velocity that resembles a narrow-gap Couette solution.

Original language	English (US)
Pages (from-to)	962-966
Number of pages	5
Journal	Experiments in Fluids
Volume	40
Issue number	6
DOIs	https://doi.org/10.1007/s00348-006-0132-y
State	Published - Jun 2006

All Science Journal Classification (ASJC) codes

Computational Mechanics
Mechanics of Materials
General Physics and Astronomy
Fluid Flow and Transfer Processes

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10.1007/s00348-006-0132-y

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AU - Burin, M. J.

AU - Ji, H.

AU - Schartman, E.

AU - Cutler, R.

AU - Heitzenroeder, P.

AU - Liu, W.

AU - Morris, L.

AU - Raftopolous, S.

PY - 2006/6

Y1 - 2006/6

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AB - We demonstrate experimentally that independently rotating intermediary end-rings between the cylinders of a Taylor-Couette apparatus can be utilized to reduce friction-driven secondary flow, i.e. Ekman circulation. This allows for velocity profiles in a device of small aspect ratio to be less constrained by 'end effects', so that the resulting wide-gap flows can be made to have a radial distribution of circumferential velocity that resembles a narrow-gap Couette solution.

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JO - Experiments in Fluids

JF - Experiments in Fluids

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Reduction of Ekman circulation within Taylor-Couette flow

Abstract

All Science Journal Classification (ASJC) codes

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