Boundary-Layer Transition And The Behaviour Of Spiral Vortices On Rotating Spheres

Y. Kohama; R. Kobayashi

doi:10.1017/S0022112083002335

Boundary-Layer Transition And The Behaviour Of Spiral Vortices On Rotating Spheres

Y. Kohama, R. Kobayashi

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

53 Citations (Scopus)

Abstract

The mechanism of boundary-layer transition and the behaviour of spiral vortices on spheres rotating in otherwise undisturbed fluid were investigated experimentally. Critical and transition Reynolds numbers which determine the laminar-turbulent transition regime on the sphere surface were measured. In addition the number of spiral vortices on the sphere and the direction of the vortex axis were clarified.

Original language	English
Pages (from-to)	153-164
Number of pages	12
Journal	Journal of Fluid Mechanics
Volume	137
DOIs	https://doi.org/10.1017/S0022112083002335
Publication status	Published - 1983 Dec

ASJC Scopus subject areas

Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

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abstract = "The mechanism of boundary-layer transition and the behaviour of spiral vortices on spheres rotating in otherwise undisturbed fluid were investigated experimentally. Critical and transition Reynolds numbers which determine the laminar-turbulent transition regime on the sphere surface were measured. In addition the number of spiral vortices on the sphere and the direction of the vortex axis were clarified.",

author = "Y. Kohama and R. Kobayashi",

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AB - The mechanism of boundary-layer transition and the behaviour of spiral vortices on spheres rotating in otherwise undisturbed fluid were investigated experimentally. Critical and transition Reynolds numbers which determine the laminar-turbulent transition regime on the sphere surface were measured. In addition the number of spiral vortices on the sphere and the direction of the vortex axis were clarified.

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