Influence of End Plates on Rotational Oscillations of a Rectangular Cylinder

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Abstract

Oscillations of rectangular cylinder elastically suspended in an air-flow were studied experimentally. The amplitude of oscillations measured at various cylinder lengths was shown to be affected by changes in incoming flow velocity and also by the presence or absence of end plates restricting the flow of air through the ends of the cylinder. Steady-state oscillation amplitude increases with an increase in cylinder aspect ratio. In the presence of end plates, the oscillation amplitude linearly depends on the Strouhal number. At the cylinder aspect ratio of five, the presence or absence of end plates on the cylinder has no effect on the oscillation amplitude.
Original languageEnglish
Title of host publicationTopical Problems of Fluid Mechanics 2020
EditorsDavid Šimurda, Tomáš Bodnár
Place of PublicationPrague
Pages200-205
DOIs
StatePublished - Feb 2020
EventTopical Problems of Fluid Mechanics 2020 - Прага, Czech Republic
Duration: 19 Feb 202021 Feb 2020
http://www2.it.cas.cz/fm/im/im/proceedings/2020

Conference

ConferenceTopical Problems of Fluid Mechanics 2020
CountryCzech Republic
CityПрага
Period19/02/2021/02/20
Internet address

Keywords

  • wind tunnel
  • steady oscillations
  • AMPLITUDE
  • end plates

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