Delaying transition in Taylor-Couette flow with axial motion of the inner cylinder

Arel Y. Weisberg; Ioannis G. Kevrekidis; Alexander J. Smits

doi:10.1017/S0022112097006630

Delaying transition in Taylor-Couette flow with axial motion of the inner cylinder

Arel Y. Weisberg, Ioannis G. Kevrekidis, Alexander J. Smits

Research output: Contribution to journal › Article › peer-review

25 Scopus citations

Abstract

Periodic axial motion of the inner cylinder in Taylor Couette flow is used to delay transition to Taylor vortices. The outer cylinder is fixed. The marginal stability diagram of Taylor-Couette flow with simultaneous periodic axial motion of the inner cylinder is determined using flow visualization. For the range of parameters studied, the degree of enhanced stability is found to be greater than that predicted by Hu & Kelly (1995), and differences in the scaling with axial Reynolds number are found. The discrepancies are attributed to essential differences between the base flow in the open system considered by Hu & Kelly, where mass is conserved over one period of oscillation, and the base flow in the enclosed experimental apparatus, where mass is conserved at all sections at all times.

Original language	English (US)
Pages (from-to)	141-151
Number of pages	11
Journal	Journal of Fluid Mechanics
Volume	348
DOIs	https://doi.org/10.1017/S0022112097006630
State	Published - Oct 10 1997

All Science Journal Classification (ASJC) codes

Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

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title = "Delaying transition in Taylor-Couette flow with axial motion of the inner cylinder",

abstract = "Periodic axial motion of the inner cylinder in Taylor Couette flow is used to delay transition to Taylor vortices. The outer cylinder is fixed. The marginal stability diagram of Taylor-Couette flow with simultaneous periodic axial motion of the inner cylinder is determined using flow visualization. For the range of parameters studied, the degree of enhanced stability is found to be greater than that predicted by Hu & Kelly (1995), and differences in the scaling with axial Reynolds number are found. The discrepancies are attributed to essential differences between the base flow in the open system considered by Hu & Kelly, where mass is conserved over one period of oscillation, and the base flow in the enclosed experimental apparatus, where mass is conserved at all sections at all times.",

author = "Weisberg, {Arel Y.} and Kevrekidis, {Ioannis G.} and Smits, {Alexander J.}",

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AU - Weisberg, Arel Y.

AU - Kevrekidis, Ioannis G.

AU - Smits, Alexander J.

PY - 1997/10/10

Y1 - 1997/10/10

N2 - Periodic axial motion of the inner cylinder in Taylor Couette flow is used to delay transition to Taylor vortices. The outer cylinder is fixed. The marginal stability diagram of Taylor-Couette flow with simultaneous periodic axial motion of the inner cylinder is determined using flow visualization. For the range of parameters studied, the degree of enhanced stability is found to be greater than that predicted by Hu & Kelly (1995), and differences in the scaling with axial Reynolds number are found. The discrepancies are attributed to essential differences between the base flow in the open system considered by Hu & Kelly, where mass is conserved over one period of oscillation, and the base flow in the enclosed experimental apparatus, where mass is conserved at all sections at all times.

AB - Periodic axial motion of the inner cylinder in Taylor Couette flow is used to delay transition to Taylor vortices. The outer cylinder is fixed. The marginal stability diagram of Taylor-Couette flow with simultaneous periodic axial motion of the inner cylinder is determined using flow visualization. For the range of parameters studied, the degree of enhanced stability is found to be greater than that predicted by Hu & Kelly (1995), and differences in the scaling with axial Reynolds number are found. The discrepancies are attributed to essential differences between the base flow in the open system considered by Hu & Kelly, where mass is conserved over one period of oscillation, and the base flow in the enclosed experimental apparatus, where mass is conserved at all sections at all times.

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Delaying transition in Taylor-Couette flow with axial motion of the inner cylinder

Abstract

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