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PIV measurements of velocity fields in glottis on a physical vocal fold model

  • P. Šidlof
  • , Olivier Doaré
  • , Olivier Cadot
  • , Antoine Chaigne
  • , Jaromír Horáček
  • Institute of Thermomechanics of the Academy of Sciences of the Czech Republic

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

1 Citation (Scopus)

Abstract

The velocity fields along a self-vibrating physical model of vocal folds were studied experimentally. The shape of the vocal folds was specified according to data measured on excised human larynges in phonation position. The model was fabricated in 1:4 scale as a silicone body vibrating in the wall of a plexiglass wind tunnel. The model is not excited externally and oscillates only due to coupling with the flow. In addition to acoustic, subglottal pressure and impact intensity measurements, flow velocity fields were recorded in the coronal plane using particle image velocimetry, in the domain immediately above glottis. Analysis of the PIV images taken within 25 phases of one vibration cycle gives good insight into the dynamics of the supraglottal flow.

Original languageEnglish
Title of host publication5th International Workshop on Models and Analysis of Vocal Emissions for Biomedical Applications, MAVEBA 2007
PublisherFirenze University Press
ISBN (Electronic)9788884536747
Publication statusPublished - 1 Jan 2007
Event5th International Workshop on Models and Analysis of Vocal Emissions for Biomedical Applications, MAVEBA 2007 - Florence, Italy
Duration: 13 Dec 200715 Dec 2007

Publication series

Name5th International Workshop on Models and Analysis of Vocal Emissions for Biomedical Applications, MAVEBA 2007

Conference

Conference5th International Workshop on Models and Analysis of Vocal Emissions for Biomedical Applications, MAVEBA 2007
Country/TerritoryItaly
CityFlorence
Period13/12/0715/12/07

Keywords

  • Glottal flow
  • PIV
  • Physical model

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