Frequency response of a liquid sloshing in a rotating, laterally oscillating, cylindrical vessel

Eisaku Yokose, Yusuke Saito, Tatsuo Sawada

Research output: Contribution to journalConference article

Abstract

We have investigated the free-surface fluctuations of liquid in a rotating, laterally oscillating, cylindrical vessel. In the experiments, we changed independently both the lateral forcing frequency f and the rotation frequency of the cylinder. We measured the time-dependent fluid-dynamic pressure instead of the free surface fluctuations. From an FFT analysis of the dynamic pressure, we obtained two significant frequencies: f-and f +. They are associated, respectively, with waves that rotate in the same direction, and in the opposite direction, relative to the rotation of the vessel. We also examined these results using linearized wave theory.

Original languageEnglish
Article number15003
JournalMATEC Web of Conferences
Volume211
DOIs
Publication statusPublished - 2018 Oct 10
Event14th International Conference on Vibration Engineering and Technology of Machinery, VETOMAC 2018 - Lisbon, Portugal
Duration: 2018 Sep 102018 Sep 13

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Liquid sloshing
Frequency response
Fluid dynamics
Fast Fourier transforms
Liquids
Experiments
Direction compound

ASJC Scopus subject areas

  • Chemistry(all)
  • Materials Science(all)
  • Engineering(all)

Cite this

Frequency response of a liquid sloshing in a rotating, laterally oscillating, cylindrical vessel. / Yokose, Eisaku; Saito, Yusuke; Sawada, Tatsuo.

In: MATEC Web of Conferences, Vol. 211, 15003, 10.10.2018.

Research output: Contribution to journalConference article

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AB - We have investigated the free-surface fluctuations of liquid in a rotating, laterally oscillating, cylindrical vessel. In the experiments, we changed independently both the lateral forcing frequency f and the rotation frequency of the cylinder. We measured the time-dependent fluid-dynamic pressure instead of the free surface fluctuations. From an FFT analysis of the dynamic pressure, we obtained two significant frequencies: f-and f +. They are associated, respectively, with waves that rotate in the same direction, and in the opposite direction, relative to the rotation of the vessel. We also examined these results using linearized wave theory.

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