Visualization of pyroshock wave reduction by insulator using a laser shock based simulation method

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dc.contributor.authorJung, Byung-Hakko
dc.contributor.authorKim, Yong-Woonko
dc.contributor.authorLee, Jung-Ryulko
dc.contributor.authorKim, Dong Seongko
dc.date.accessioned2019-05-02T02:50:27Z-
dc.date.available2019-05-02T02:50:27Z-
dc.date.created2019-04-29-
dc.date.created2019-04-29-
dc.date.issued2019-04-
dc.identifier.citationMEASUREMENT, v.137, pp.302 - 311-
dc.identifier.issn0263-2241-
dc.identifier.urihttp://hdl.handle.net/10203/261709-
dc.description.abstractVarious pyro-devices are used in space structures because of their high power-to-weight ratio, high reliability, and compact size. However, when a pyro-device fires, it generates a strong, high-frequency shock wave called a pyroshock wave, which causes high-frequency-sensitive electronic equipment to malfunction. Therefore, it is important to analyze and minimize pyroshock waves near electronic equipment to prevent damage. In this paper, we propose a shock wave scanning method by a Q-switched laser to analyze shock reduction and visualize shock wave propagation in a real-world complex structure. This technique was applied to evaluate and visualize the shock reduction by rubber insulators mounted in a configuration such that a pyroshock wave is transferred and propagated via a butyl rubber mount to an electronic component mounting panel. An average of 20% in the mean acceleration differences in shock response spectra between an actual pyroshock wave and a laser-simulated pyroshock wave was achieved. The use of the butyl rubber mount reduced the shock wave by 75%, and the reduced pyroshock propagation was quantitatively visualized. (C) 2019 Elsevier Ltd. All rights reserved.-
dc.languageEnglish-
dc.publisherELSEVIER SCI LTD-
dc.titleVisualization of pyroshock wave reduction by insulator using a laser shock based simulation method-
dc.typeArticle-
dc.identifier.wosid000464553200028-
dc.identifier.scopusid2-s2.0-85060871607-
dc.type.rimsART-
dc.citation.volume137-
dc.citation.beginningpage302-
dc.citation.endingpage311-
dc.citation.publicationnameMEASUREMENT-
dc.identifier.doi10.1016/j.measurement.2019.01.046-
dc.contributor.localauthorLee, Jung-Ryul-
dc.contributor.nonIdAuthorJung, Byung-Hak-
dc.contributor.nonIdAuthorKim, Yong-Woon-
dc.contributor.nonIdAuthorKim, Dong Seong-
dc.description.isOpenAccessN-
dc.type.journalArticleArticle-
dc.subject.keywordAuthorPyroshock visualization-
dc.subject.keywordAuthorLaser shock simulation method-
dc.subject.keywordAuthorShock insulator-
dc.subject.keywordAuthorSpace structure-
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AE-Journal Papers(저널논문)
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