Hydrodynamic characteristics of a streamwise oscillating circular cylinder

Xiaoying Ju

Research output: ThesisDoctoral Thesis

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Abstract

The hydrodynamic forces and wake characteristics of a forced streamwise oscillating circular cylinder were investigated numerically over a large parameter space of oscillation amplitude and frequency. Specifically, the wake synchronisation modes for a near-wall oscillating cylinder, the far-wake characteristics of an isolated oscillating cylinder, and the boundary-layer transition for an oscillating cylinder in still fluid are examined. A number of new flow phenomena, e.g. period doubling and transition to quasi-periodic within the primary synchronisation region, are observed and the corresponding physical mechanisms are explored.
Original languageEnglish
QualificationDoctor of Philosophy
Awarding Institution
  • The University of Western Australia
Supervisors/Advisors
  • An, Hongwei, Supervisor
  • Cheng, Liang, Supervisor
  • Draper, Scott, Supervisor
  • Tong, Feifei, Supervisor
Thesis sponsors
Award date1 Sep 2020
DOIs
Publication statusUnpublished - 2020

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