Ändra sökning
RefereraExporteraLänk till posten
Permanent länk

Direktlänk
Referera
Referensformat
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Annat format
Fler format
Språk
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Annat språk
Fler språk
Utmatningsformat
  • html
  • text
  • asciidoc
  • rtf
Quantification of the false vocal-folds effects on the intra-glottal pressures using large eddy simulation
KTH, Skolan för teknikvetenskap (SCI), Mekanik. KTH, Skolan för teknikvetenskap (SCI), Centra, Linné Flow Center, FLOW.ORCID-id: 0000-0001-7330-6965
Otolaryngology, Head & Neck Surgery, University of Cincinnati-Medical Center.
Aerospace Engineering, University of Cincinnati.
2013 (Engelska)Ingår i: Proceedings of Meetings on Acoustics: Volume 19, 2013, Acoustical Society of America (ASA), 2013, s. 1-8Konferensbidrag, Publicerat paper (Refereegranskat)
Abstract [en]

During the closing phase of the phonation cycle the true vocal-folds (TVF) have a convergent-divergent shape. The negative pressures generated by the flow through the glottal passage are producing closing forces acting on the TVFs. They can affect both vocal-fold vibration and voice production, since they can accelerate the closing phase. Large Eddy Simulation approach is used to investigate the intra-glottal forces generated solely by the flow during the closing phase. The influence of the gap between the false vocal-folds (FVFs) and the location of FVFs with respect to the TVFs are analyzed. Based on anatomical measurements, four different widths between the FVFs and two different distances between the true and false vocal-folds are investigated for the same trans-laryngeal pressure. The TVFs gap is kept constant. All cases exhibit a non-symmetric flow behavior in the mid-frontal plane. As the distance between the FVFs is decrease beyond a threshold value (still greater than glottal width), there is an increase in the magnitude of the closing forces acting on the TVFs. On the divergent slope of the glottis, these forces were found for some of the cases to be up to four times greater in magnitude as compared with the Baseline case.

Ort, förlag, år, upplaga, sidor
Acoustical Society of America (ASA), 2013. s. 1-8
Serie
Proceedings of Meetings on Acoustics, ISSN 1939-800X ; 19
Nyckelord [en]
Closing force, Closing phase, Flow behaviors, Flowthrough, Glottal width, Large eddy, Negative pressures, Voice production
Nationell ämneskategori
Strömningsmekanik och akustik Oto-rino-laryngologi
Identifikatorer
URN: urn:nbn:se:kth:diva-124155DOI: 10.1121/1.4799796Scopus ID: 2-s2.0-84878989900OAI: oai:DiVA.org:kth-124155DiVA, id: diva2:633222
Konferens
21st International Congress on Acoustics, ICA 2013 - 165th Meeting of the Acoustical Society of America; Montreal, QC; Canada; 2 June 2013 through 7 June 2013
Anmärkning

QC 20131121

Tillgänglig från: 2013-06-26 Skapad: 2013-06-26 Senast uppdaterad: 2017-04-28Bibliografiskt granskad

Open Access i DiVA

Fulltext saknas i DiVA

Övriga länkar

Förlagets fulltextScopus

Personposter BETA

Mihaescu, Mihai

Sök vidare i DiVA

Av författaren/redaktören
Mihaescu, Mihai
Av organisationen
MekanikLinné Flow Center, FLOW
Strömningsmekanik och akustikOto-rino-laryngologi

Sök vidare utanför DiVA

GoogleGoogle Scholar

doi
urn-nbn

Altmetricpoäng

doi
urn-nbn
Totalt: 55 träffar
RefereraExporteraLänk till posten
Permanent länk

Direktlänk
Referera
Referensformat
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Annat format
Fler format
Språk
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Annat språk
Fler språk
Utmatningsformat
  • html
  • text
  • asciidoc
  • rtf