Seid Zarti

Seid Zarti
Agriculture school · Home Economics

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3
Publications
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Publications

Publications (3)
Article
Flow visualization and outer cylinder torque measurements have been used to investigate the influence of axial misalignment on the development of sub-critical vortices and Taylor vortices in the flow between eccentric rotating cylinders.Misalignment is shown to reduce the critical Taylor number when the cylinders are eccentric. It also gives rise t...
Article
The effect of eccentricity ratio on the appearance of Taylor vortices, the transition to wavy vortex flow, and subsequent changes in azimuthal wave-number in the flow between a rotating inner cylinder and a stationary outer cylinder was investigated by torque measurements and visual observations. The variation of the critical Taylor number with ecc...
Article
Visual observations and outer and inner cylinder torque measurements have been used to determine the variation of critical Taylor number with eccentricity ratio, employing a wide range of cylinder radius ratios. The ratio of the critical Taylor number at any eccentricity ratio to the concentric value is shown to be virtually independent of radius r...