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Določitev optimalnih procesnih parametrov za proizvodnjo lednega abraziva : diplomska naloga visokošolskega strokovnega študijskega programa I. stopnje strojništvoSevšek, LukaPri rezanju z lednim abrazivnim vodnim curkom je odnašanje materiala posledica velike kinetične energije vodnega curka in ledenih zrn, ki so v curku. Tehnologija rezanja z lednim abrazivnim curkom je ... še v razvojni fazi in se trenutno uporablja le v laboratorijskem okolju. Ledni abraziv proizvajamo z razprševanjem vode skozi šobe v izolirano posodo, v katero dovajamo tekoči dušik. Za rezanje je pomembna velikost zrn, ki jo določata pretok vode in tlak zraka, ki razbije tok nastalih kapljic. Določiti želimo takšne pretoke in tlake, ki zagotavljajo ledena zrna pretežno velikosti 0,4, 0,5 in 0,6 mm. Glede na dosedanje izkušnje z generiranjem ledenih zrn smo proizvajali ledena zrna pri različnih pretokih vode in tlakih zraka. Pridobljena zrna smo sejali preko serije sit in s tehtanjem določili deleže posameznih velikosti zrn. Pri enakem pretoku vode bi morala pri manjših vrednostih tlaka zraka nastajati večja ledena zrna, zaradi manjše razpršenosti curka vode. S povečanjem tlaka zraka, pa curek bolj razpršimo in s tem pridobivamo manjša zrna. Tega zastavljeni preizkusi pri izbranih parametrih niso jasno potrdili.Type of material - undergraduate thesis ; adult, seriousPublication and manufacture - Ljubljana : [L. Sevšek], 2015Language - slovenianCOBISS.SI-ID - 14202651
Author
Sevšek, Luka
Other authors
Lebar, Andrej, strojnik |
Valentinčič, Joško
Topics
diplomske naloge |
ledni abrazivni vodni curek |
lastnosti ledu |
ledena zrna |
določevanje granulacije zrn |
sejanje |
ice abrasive water jet |
properties of ice |
ice grains |
determination of ice granulation |
sieving
Library/institution |
City | Acronym | For loan | Other holdings |
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Faculty of Mechanical Engineering, Ljubljana | Ljubljana | FSLJ |
reading room 1 cop.
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Shelf entry
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Year | Impact factor | Edition | Category | Classification | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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DRS, in which the journal is indexed
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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Sevšek, Luka | 51435 |
Lebar, Andrej, strojnik | 12260 |
Valentinčič, Joško | 18553 |
Source: Personal bibliographies
and: SICRIS
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