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On the characteristics and stability of the wakes of cylinders with a triangular cross-section

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thesis
posted on 19.11.2019 by ZHI YUEN NG
Fluid flowing past a cylindrical structure can change the way it moves upon contact with the cylinder. Abrupt changes in their dynamics occur through transitions and can elicit a response from the cylinder through oscillations and larger air resistance, amongst other responses, which may be detrimental to engineering structures if overlooked or underestimated. This thesis investigates the causes of such transitions when the cylinder presents sharp corners to- or is asymmetrically aligned with the flow. The results here demonstrates when such transitions may occur and the fast transition to wake turbulence thereafter, and how the structure might react to it.

History

Campus location

Australia

Principal supervisor

Greg Sheard

Additional supervisor 1

Tony Vo

Year of Award

2019

Department, School or Centre

Mechanical and Aerospace Engineering

Course

Doctor of Philosophy

Degree Type

DOCTORATE

Exports

Exports