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Vizualizacijska metoda merjenja deformacije lopatic aksialnih ventilatorjevEberlinc, Matjaž ...Lopatice ventilatorja se zaradi sil, ki delujejo nanje, med obratovanjem deformirajo. Stacionarne deformacije in fluktuacije lopatičnega vrha - temena - okoli ravnotezne lege omogočajo oceno ... obremenitve lopatice na lokaciji pritrditve - v korenu - in oceno vpliva deformacije na aerodinamske lastnosti ventilatorja. V prispevku je predstavljena metodologija merjenja deformacije lopatice aksialnih ventilatorjev, zasnovane na računalniško podprti vizualizaciji. Preizkus je bil izveden na aksialnem ventilatorju z osnovno in spremenjeno izvedbo vpetja lopatic. Merjenje je bilo opravljeno na za to namenjenem preizkuševališču na Fakulteti za strojništvo Univerze v Ljubljani, kjer smo s kamero zajemali digitalizirane posnetke v izbranih časovnih intervalih. Deformacije ventilatorske lopatice so bile merjene v optimalni obratovalni točki ventilatorja za oba opazovana primera vpetja lopatic. Na temenu profila lopatice so bili vrednoteni odmiki izbranih točk - markerjev - glede na referenčno toèko na ohišju ventilatorja. V okolju programske opreme MatLab je bil izdelan program prepoznavanja markerjev in izračunavanja deformacij lopatic rotorja ventilatorja. Z razvito vizualizacijsko metodo je bila izvedena primerjalna analiza obeh načinov vpetja lopatic v pestu ventilatorja. Potrjena je bila primernost uporabljene eksperimentalne metode, ki omogoča enostavno in zanesljivo zaznavanje deformacij rotorskih lopatic.Source: Ventil : revija za fluidno tehniko in avtomatizacijo = journal for fluid power and automation. - ISSN 1318-7279 (Letn. 13, št. 2, apr. 2007, str. 94-101)Type of material - article, component partPublish date - 2007Language - slovenianCOBISS.SI-ID - 9994523
Author
Eberlinc, Matjaž |
Hočevar, Marko, strojnik, 1972- |
Pivk, Stanislav |
Širok, Brane
Topics
aksialni ventilatorji |
lopatice |
deformacije |
vizualizacija
source: Ventil : revija za fluidno tehniko in avtomatizacijo = journal for fluid power and automation. - ISSN 1318-7279 (Letn. 13, št. 2, apr. 2007, str. 94-101)
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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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Eberlinc, Matjaž | 27661 |
Hočevar, Marko, strojnik, 1972- | 18836 |
Pivk, Stanislav | |
Širok, Brane | 09286 |
Source: Personal bibliographies
and: SICRIS
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