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[{"key": "dc.contributor.author", "value": "Afflekt, Kristian", "language": null, "element": "contributor", "qualifier": "author", "schema": "dc"}, {"key": "dc.date.accessioned", "value": "2010-10-07T15:48:32Z", "language": null, "element": "date", "qualifier": "accessioned", "schema": "dc"}, {"key": "dc.date.available", "value": "2010-10-07T15:48:32Z", "language": null, "element": "date", "qualifier": "available", "schema": "dc"}, {"key": "dc.date.issued", "value": "2010", "language": null, "element": "date", "qualifier": "issued", "schema": "dc"}, {"key": "dc.identifier.other", "value": "oai:jykdok.linneanet.fi:1137572", "language": null, "element": "identifier", "qualifier": "other", "schema": "dc"}, {"key": "dc.identifier.uri", "value": "https://jyx.jyu.fi/handle/123456789/25464", "language": null, "element": "identifier", "qualifier": "uri", "schema": "dc"}, {"key": "dc.description.abstract", "value": "T\u00e4ss\u00e4 pro gradu -tutkielmassa k\u00e4sitell\u00e4\u00e4n nesteen viskositeetin ominaisuuksia\nja erityisesti pietsos\u00e4hk\u00f6her\u00e4tteisiin komponentteihin perustuvia\ntapoja mitata nesteen viskositeettia s\u00e4hk\u00f6isesti. Motivaationa tutkielman\ntekoon oli l\u00f6yt\u00e4\u00e4 menetelm\u00e4, jolla voidaan mitata nesteiden viskositeettia\nluotettavasti.\nNesteiden viskositeetti aiheuttaa v\u00e4r\u00e4htelij\u00f6ihin s\u00e4hk\u00f6isen vastuksen, jolloin\ntaajuuden, impedanssin ja vaihekulman resonanssiarvoja tarkastelemalla\nvoidaan viskositeettia mitata.\nTeoriaosuudessa keskityttiin viskositeetin ominaisuuksien lis\u00e4ksi suorakaiteen\nmuotoisen palkin, CMBP, v\u00e4r\u00e4htelydynamiikkaan v\u00e4r\u00e4htelev\u00e4 pallo\n-mallin ja simulaatiotulosten avulla. Kokeellisessa osiossa tutkittiin vertailun\nvuoksi my\u00f6s \u00e4\u00e4nen tuottamiseen tarkoitetun taipuvan pietsokalvon\ntoimintaa nesteiden viskositeetin mittaamisessa. Referenssinestein\u00e4 tutkimuksessa\noli moottori\u00f6ljy, hydrauli\u00f6ljy ja muutama silikoni\u00f6ljy, joiden viskositeettialue\noli v\u00e4lill\u00e4 10-380 mPas.\nTulosanalyysiss\u00e4 tarkasteltiin neuroverkkomenetelm\u00e4n toimivuutta analysointikeinona.\nMenetelm\u00e4\u00e4 voidaan soveltaa moniparametristen tulosten\nanalyysiin. T\u00e4ss\u00e4 tutkimuksessa neuroverkkomenetelm\u00e4\u00e4 sovellettiin\ntaajuus-, impedanssi- ja vaihekulma-analyysiin ja menetelm\u00e4 osoitti toimivuutensa\nainakin t\u00e4ss\u00e4 tapauksessa.\nJohtop\u00e4\u00e4t\u00f6ksen\u00e4 voidaan sanoa, ett\u00e4 molemmat tutkitut komponentit soveltuvat\nnesteiden ominaisuuksien mittaamiseen ja tutkitut analysointimenetelm\u00e4t\novat my\u00f6s toimivia t\u00e4ss\u00e4 k\u00e4ytt\u00f6tarkoituksessa.\nJatkotutkimuksena mittaustarkkuutta tulisi tutkia ja kehitt\u00e4\u00e4, ja komponenttien\nkest\u00e4vyytt\u00e4 ja stabiilisuutta ajan kuluessa l\u00e4mp\u00f6tilan vaihdellessa\ntulisi my\u00f6s tutkia.", "language": "", "element": "description", "qualifier": "abstract", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Submitted using Plone Publishing form by Kristian Afflekt (krialaff) on 2010-10-07 15:48:30.622498. Form: Pro gradu -lomake (1 tekij\u00e4) (https://kirjasto.jyu.fi/julkaisut/julkaisulomakkeet/pro-gradu-lomake-1-tekijae). JyX data:", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Submitted by jyx lomake-julkaisija (jyx-julkaisija@noreply.fi) on 2010-10-07T15:48:32Z\nNo. of bitstreams: 2\nURN:NBN:fi:jyu-201010072969.pdf: 5130831 bytes, checksum: 9d786bea73e25118c6ac548632fca1fa (MD5)\nlicense.html: 5014 bytes, checksum: 25e4234889c87ebf732cfdd761f0f757 (MD5)", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.description.provenance", "value": "Made available in DSpace on 2010-10-07T15:48:32Z (GMT). No. of bitstreams: 2\nURN:NBN:fi:jyu-201010072969.pdf: 5130831 bytes, checksum: 9d786bea73e25118c6ac548632fca1fa (MD5)\nlicense.html: 5014 bytes, checksum: 25e4234889c87ebf732cfdd761f0f757 (MD5)\n Previous issue date: 2010", "language": "en", "element": "description", "qualifier": "provenance", "schema": "dc"}, {"key": "dc.format.extent", "value": "77 sivua", "language": null, "element": "format", "qualifier": "extent", "schema": "dc"}, {"key": "dc.format.mimetype", "value": "application/pdf", "language": null, "element": "format", "qualifier": "mimetype", "schema": "dc"}, {"key": "dc.language.iso", "value": "fin", "language": null, "element": "language", "qualifier": "iso", "schema": "dc"}, {"key": "dc.rights", "value": "In Copyright", "language": "en", "element": "rights", "qualifier": null, "schema": "dc"}, {"key": "dc.subject.other", "value": "pietsos\u00e4hk\u00f6her\u00e4tteinen v\u00e4r\u00e4htelij\u00e4", "language": null, "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "taipuva pietsokalvo", "language": null, "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "viskositeettisensori", "language": null, "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.subject.other", "value": "neuroverkkomenetelm\u00e4", "language": null, "element": "subject", "qualifier": "other", "schema": "dc"}, {"key": "dc.title", "value": "Viskositeetin mittaaminen pietsos\u00e4hk\u00f6her\u00e4tteisell\u00e4 v\u00e4r\u00e4htelij\u00e4ll\u00e4", "language": null, "element": "title", "qualifier": null, "schema": "dc"}, {"key": "dc.type", "value": "master thesis", "language": null, "element": "type", "qualifier": null, "schema": "dc"}, {"key": "dc.identifier.urn", "value": "URN:NBN:fi:jyu-201010072969", "language": null, "element": "identifier", "qualifier": "urn", "schema": "dc"}, {"key": "dc.type.dcmitype", "value": "Text", "language": "en", "element": "type", "qualifier": "dcmitype", "schema": "dc"}, {"key": "dc.type.ontasot", "value": "Pro gradu -tutkielma", "language": "fi", "element": "type", "qualifier": "ontasot", "schema": "dc"}, {"key": "dc.type.ontasot", "value": "Master\u2019s thesis", "language": "en", "element": "type", "qualifier": "ontasot", "schema": "dc"}, {"key": "dc.contributor.faculty", "value": "Matemaattis-luonnontieteellinen tiedekunta", "language": "fi", "element": "contributor", "qualifier": "faculty", "schema": "dc"}, {"key": "dc.contributor.faculty", "value": "Faculty of Sciences", "language": "en", "element": "contributor", "qualifier": "faculty", "schema": "dc"}, {"key": "dc.contributor.department", "value": "Fysiikan laitos", "language": "fi", "element": "contributor", "qualifier": "department", "schema": "dc"}, {"key": "dc.contributor.department", "value": "Department of Physics", "language": "en", "element": "contributor", "qualifier": "department", "schema": "dc"}, {"key": "dc.contributor.organization", "value": "University of Jyv\u00e4skyl\u00e4", "language": "en", "element": "contributor", "qualifier": "organization", "schema": "dc"}, {"key": "dc.contributor.organization", "value": "Jyv\u00e4skyl\u00e4n yliopisto", "language": "fi", "element": "contributor", "qualifier": "organization", "schema": "dc"}, {"key": "dc.subject.discipline", "value": "Soveltava fysiikka", "language": "fi", "element": "subject", "qualifier": "discipline", "schema": "dc"}, {"key": "dc.subject.discipline", "value": "Applied Physics", "language": "en", "element": "subject", "qualifier": "discipline", "schema": "dc"}, {"key": "dc.type.coar", "value": "http://purl.org/coar/resource_type/c_bdcc", "language": null, "element": "type", "qualifier": "coar", "schema": "dc"}, {"key": "dc.rights.accesslevel", "value": "openAccess", "language": "fi", "element": "rights", "qualifier": "accesslevel", "schema": "dc"}, {"key": "dc.type.publication", "value": "masterThesis", "language": null, "element": "type", "qualifier": "publication", "schema": "dc"}, {"key": "dc.subject.oppiainekoodi", "value": "4023", "language": null, "element": "subject", "qualifier": "oppiainekoodi", "schema": "dc"}, {"key": "dc.subject.yso", "value": "viskositeetti", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.subject.yso", "value": "mittaus", "language": null, "element": "subject", "qualifier": "yso", "schema": "dc"}, {"key": "dc.format.content", "value": "fulltext", "language": null, "element": "format", "qualifier": "content", "schema": "dc"}, {"key": "dc.rights.url", "value": "https://rightsstatements.org/page/InC/1.0/", "language": null, "element": "rights", "qualifier": "url", "schema": "dc"}, {"key": "dc.type.okm", "value": "G2", "language": null, "element": "type", "qualifier": "okm", "schema": "dc"}]
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