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Časovno odvisno vrednotenje kavitacijske erozije : diplomsko delo visokošolskega strokovnega študijskega programa I. stopnje strojništvoJenič, GregorPojav kavitacije, ki je karakteriziran z nastajanjem in kondenzacijo pare, je pogosto opaţen vhidravličnih strojih. Povzroča vibracije, povečanje hidrodinamičnega upora, spremembe vkinematiki toka, ... hrup, toplotne in svetlobne učinke ter verjetno najpomembnejše kavitacijsko erozijo.V postajo smo vgradili testni del, kjer se je generirala kavitacija. Testni del je bil narejen izpleksi stekla. Tako smo kavitacijo lahko nemoteno opazovali s hitro kamero. Preučevali smonastanek in kolaps mehurčkov ter nastale poškodbe na aluminijasti foliji. Posnetke, ki jih jenaredila hitra kamera, smo na koncu analizirali s pomočjo programske opreme Matlab.Rezultati meritev so potrdili, da se velikost kavitacije povečuje z višanjem hitrostjo tekočine vsistemu. Poleg tega na njo vpliva tudi tlak. Če tlak v sistemu povečujemo, se kavitacijazmanjšuje, če ga zmanjšujemo, pa se velikost kavitacije povečuje.Type of material - undergraduate thesis ; adult, seriousPublication and manufacture - Ljubljana : [G. Jenič], 2014Language - slovenianCOBISS.SI-ID - 13359643
Author
Jenič, Gregor
Other authors
Dular, Matevž |
Širok, Brane
Topics
diplomske naloge |
kavitacija |
kavitacijska erozija |
kolaps |
poškodbe |
implozija |
mehurčki |
cavitation |
erosion |
collapse |
implosion |
damage |
bubbles
Library | Call number – location, accession no. ... | Copy status |
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Faculty of Mechanical Engineering, Lj. | VS 86 IN: 60000086 |
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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Jenič, Gregor | |
Dular, Matevž | 23471 |
Širok, Brane | 09286 |
Source: Personal bibliographies
and: SICRIS
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