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Fenomenološko modeliranje obdelave z lednim abrazivnim vodnim curkom v industrijskih procesih rezanja : doktorsko deloJerman, Marko, strojnikKadar pri postopku obdelave z abrazivnim vodnim curkom (AVC) mineralni abraziv zamenjamo z ledenimi zrni, ustvarimo ledni abrazivni vodni curek (LAVC). Glavna prednost tehnologije je čistost postopka ... in nizke temperature obdelave. V okviru disertacije smo razvijali prototip stroja za obdelavo z LAVC in na različnih stopnjah razvoja prototipa na njem izvajali eksperimente, s katerimi smo popisovali fenomene procesa. Na ta način smo določevali mesta segrevanja vode v sistemu in merili, kako ohlajanje vode vpliva na učinkovitost in kakovost obdelave z vodnim curkom. Na podlagi rezultatov smo z metodo dimenzijske analize postavili semi-empirični model za napovedovanje učinkovitosti in kakovosti obdelave z upoštevanjem temperature curka. Z uporabo numerične analize smo ugotavljali temperaturne razmere znotraj vodne šobe, na podlagi katerih smo sklepali o temperaturnih pogojih, katerim so izpostavljena ledena zrna. Model smo validirali s pomočjo eksperimentov in literature. V sklopu raziskav smo razvili optično metodo za zasledovanje razpada vodnega curka, na podlagi katere smo ocenjevali vpliv spreminjanja parametrov na kakovost curka. Izdelali smo napravo za izdelavo ledenih zrn, ki smo jih uporabili kot abraziv. Na podlagi raziskav smo izdelali prototip stroja za rezanje z LAVC in izvedli prve poskuse rezanja.Type of material - dissertation ; adult, seriousPublication and manufacture - Ljubljana : [M. Jerman], 2016Language - slovenianCOBISS.SI-ID - 14542107
Author
Jerman, Marko, strojnik
Other authors
Junkar, Mihael |
Orbanić, Henri
Topics
Rezanje |
Disertacije |
abrazivni vodni curek |
ledni abrazivni vodni curek |
ledeni abraziv |
merjenje temperatur |
modeliranje |
dimenzijska analiza |
dimenzijska analiza |
disertacije |
abrasive water jet |
ice abrasive water jet |
ice abrasive |
temperature measurement |
modelling |
dimensionless analysis |
dimensionless analysis |
dissertations
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Library | Call number – location, accession no. ... | Copy status |
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National and University Library, Ljubljana | GS II 725806 glavno skladišče | available - reading room |
Faculty of Mechanical Engineering, Lj. | Dr JERMAN M. Fenomenološko IN: 00059477 |
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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Jerman, Marko, strojnik | 33239 |
Junkar, Mihael | 09006 |
Orbanić, Henri | 23469 |
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