Faculty of Mechanical Engineering, Lj. (FSLJ)
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Časovno odvisna simulacija, vizualizacija in meritve kavitacije z metodo PIV-LIF na različnih osamljenih profilih = Transient simulation, visualization and PIV-LIF measurements of the cavitation on different hydrofoil configurationsDular, Matevž ...Prispevek obravnava numerično in preizkusno studijo kavitirajočega toka okrog različnih osamljenih profilov. Za simulacijo neustaljenega toka je bil uporabljen programski paket Fluent. Dvofazni tok ... smo opisali z vpeljavo homogenega toka mešanice. Za popis nastanka in kolapsa kavitacijskega oblaka je bil uporabljen kavitacijski model, utemeljen na poenostavljeni Rayleigh-Plessetovi enačbi dinamike mehurčka. Narejene so bile trirazsežne simulacije kavitirajočega toka v različnih razmerah za dva osamljena profila. Za dva profila smo posneli slike kavitacijskih struktur v različnih razmerah. Za doloèitev hitrostnega polja zunaj in znotraj kavitacijskega oblaka smo uporabili metodo PIV-LIF. Izmerili smo frekvence trganja kavitacijskega oblaka. Numerièno napovedane porazdelitve deleza pare in hitrostnega polja smo primerjali s preizkusnimi rezultati. Narejena je bila primerjava s preizkusi doloèenih in numerièno napovedanih povpreènih dolzin kavitacijske strukture vzdolz profila. Primerjali smo tudi numerièno napovedane in s preizkusi doloèene frekvence trganja kavitacijskega oblaka. V vseh primerih smo dobili dobro ujemanje med rezultati preizkusov in simulacij. Poleg tega je simulacija pravilno napovedala nastanek značilne podkvaste kavitacijske strukture.Source: Strojniški vestnik = Journal of mechanical engineering. - ISSN 0039-2480 (Letn. 51, št. 1, 2005, str. 13-27)Type of material - article, component partPublish date - 2005Language - slovenian, englishCOBISS.SI-ID - 8034587
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source: Strojniški vestnik = Journal of mechanical engineering. - ISSN 0039-2480 (Letn. 51, št. 1, 2005, str. 13-27)
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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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Dular, Matevž | 23471 |
Bachert, Rudolf | ![]() |
Širok, Brane | 09286 |
Stoffel, Bernd | ![]() |
Source: Personal bibliographies
and: SICRIS
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