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Razvoj vetrovnika namenjenaga vizualizaciji aeroakustičnih virov hrupa : magistrsko delo magistrskega študijskega programa II. stopnje StrojništvoCerkovnik, NejcNamen magistrskega dela je spoznavanje teorije aeroakustike, zasnova, izgradnja in testiranje laboratorijskega preizkuševališča. Slednje bo omogočilo nadaljnje raziskave na področju aeroakustike, ... psihoakustike in bazičnega razumevanja nastanka turbulence ter z njo povezanega hrupa. Pri snovanju aeroakustičnega pretočnega kanala je bilo potrebno posebej zasnovati testni del, pogonski del, izbrati primerno akustično izolacijo, zagotoviti natančnost meritev. Razviti in napisati je bilo potrebno programsko opremo za lociranje izvorov zvoka in izris akustične slike. Z uporabo analitičnega in numeričnega pristopa, so bili najprej zasnovani posamezni deli preizkuševališča. Pristopa sta bila med seboj primerjana in sta pokazala močno ujemanje. Po pridobitvi uporovne karakteristike je bil izbran tudi pogonski stroj preizkuševališča in akustična izolacija. Vzporedno je tekel razvoj algoritma lociranja virov aerodinamičnega hrupa s pomočjo beamforming-a. Po izgraditvi so bile v testnem delu izvedene meritve, ki so bile primerjane z akustično kamero. Rezultati kažejo na dobro ujemanje rezultatov, hkrati pa že postavljajo nova vprašanja, povezana z nastankom aerodinamičnega hrupa.Type of material - master's thesis ; adult, seriousPublication and manufacture - Ljubljana : [N. Cerkovnik], 2022Language - slovenianCOBISS.SI-ID - 120858371
Author
Cerkovnik, Nejc
Other authors
Prezelj, Jurij, strojnik
Topics
magistrske naloge |
akustika |
aeroakustika |
beamforming |
akustična kamera |
laboratorijsko preizkuševališče |
zvok |
aerodinamični hrup |
master thesis |
acoustic |
aeroacoustics |
acoustic camera |
laboratory testing facility |
sound
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Library/institution |
City | Acronym | For loan | Other holdings |
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Faculty of Mechanical Engineering, Ljubljana | Ljubljana | FSLJ |
reading room 1 cop.
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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DRS, in which the journal is indexed
Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Cerkovnik, Nejc | 58029 |
Prezelj, Jurij, strojnik | 20857 |
Source: Personal bibliographies
and: SICRIS
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