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Temperaturni učinki pri rasti in kolapsu kavitacijskega mehurčka : diplomska naloga univerzitetnega študijaRovan, JakaPojav kavitacije, ki je karakteriziran z nastajanjem in kondenzacijo pare, je pogosto opažen v hidravličnih strojih. Povzroča vibracije, erozijo površin, povečanje hidrodinamičnega upora, spremembe v ... kinematiki toka, hrup, toplotne in svetlobne učinke. Kavitacijo navadno lahko obravnavamo kot izotermni pojav, vendar pa so temperaturne spremembe v nekaterih primerih nezanemarljive. Naloga prikazuje prva neposredna merjenja temperaturnih učinkov pri rasti in kolapsu kavitacijskega mehurčka. Za nastanek mehurčka je bila uporabljena metoda hitre ustavitve cevi, ki je primerna predvsem zato, ker pri meritvah v sistem ne dodajamo energije iz zunanjega vira. Temperaturni učinek med rastjo in kolapsom kavitacijskega mehurčka smo posneli s hitro termo kamero, ki prav tako nima temperaturnega vpliva na tekočino. Poleg termo kamere smo uporabili še dve hitri kameri, s katerima smo posneli rast in kolaps mehurčka. Eksperimentalno pridobljene razultate smo primerjali s teoretičnimi izračuni temperaturnih učinkov.Type of material - undergraduate thesis ; adult, seriousPublication and manufacture - Ljubljana : [J. Rovan], 2012Language - slovenianCOBISS.SI-ID - 12362779
Author
Rovan, Jaka
Other authors
Dular, Matevž |
Širok, Brane
Topics
diplomske naloge |
kavitacija |
mehurčki |
kolaps |
mikro curek |
temperaturni učinek |
cavitation |
bubbles |
collapse |
microjet |
thermodynamic effect
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Library | Call number – location, accession no. ... | Copy status |
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Faculty of Mechanical Engineering, Lj. | U 6026 IN: 40006026 |
available - reading room |
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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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Rovan, Jaka | ![]() |
Dular, Matevž | 23471 |
Širok, Brane | 09286 |
Source: Personal bibliographies
and: SICRIS
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