| Investigations on the balloon as an impulse source. | |
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MedLine Citation:
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PMID: 21302978 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Measurements of impulses produced by bursting balloons are presented. Various sizes of balloons were popped with a mechanical device in an anechoic chamber and recorded with a spherical microphone array. The power responses and directivity of the balloons are analyzed. Results indicate that power responses have two emphasized frequencies which depend on balloon size and inflation level. Larger balloons radiated more energy and higher inflation levels resulted in stronger high frequency content. Balloon directivity patterns are stable over repetitions. However, balloons do not radiate omnidirectionally. The degree of omnidirectionality improves with balloon size and for midrange frequencies. |
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Authors:
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Jukka Pätynen; Brian F G Katz; Tapio Lokki |
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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: - Publication Date: 2011 Jan |
Date Detail:
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Created Date: 2011-2-9 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 7503051 Medline TA: J Acoust Soc Am Country: - |
Other Details:
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Languages: ENG Pagination: EL27 Citation Subset: - |
Affiliation:
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Aalto University School of Science and Technology, Department of Media Technology, P.O. Box 15400, FI-00076 Aalto, Finland jukka.patynen@tml.hut.fi. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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