| Impact of wall rotation on supraglottal jet stability in voiced speech. | |
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MedLine Citation:
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PMID: 21428469 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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Supraglottal jet variability was investigated in a scaled-up flow facility incorporating driven vocal fold models with and without wall rotation. Principle component analysis was performed on the experimental supraglottal flow fields to ascertain the roll of glottal wall motion on the development of the supraglottal jet. It is shown that intraglottal flow asymmetries that develop due to wall rotation are not the primary mechanism for generating large-scale cycle-to-cycle deflection of the supraglottal jet. However, wall rotation does decrease the energy content of the first mode, redistributing it to the higher modes through an increase in unstructured flow variability. |
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Authors:
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Byron D Erath; Michael W Plesniak |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: The Journal of the Acoustical Society of America Volume: 129 ISSN: 1520-8524 ISO Abbreviation: J. Acoust. Soc. Am. Publication Date: 2011 Mar |
Date Detail:
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Created Date: 2011-03-24 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 7503051 Medline TA: J Acoust Soc Am Country: United States |
Other Details:
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Languages: eng Pagination: EL64 Citation Subset: IM |
Affiliation:
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Department of Mechanical and Aerospace Engineering, The George Washington University, 801 22nd Street Northwest, Washington, D.C.20052 erath@gwu.edu, plesniak@gwu.edu. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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