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Modeliranje toka nenewtonskih disperznih sistemov : magistrska nalogaTernik, PrimožV pričujočem delu smo obravnavali modeliranje toka zmesi elektrofiltrskega pepela in vode. Nelinearno (nenewtonsko) viskozno obnašanje zmesi smo opisali z dvema reološkima modeloma, in sicer ... potenčnim zakonom ter Siskovim modelom. Neodvisno od sestave zmesi oz. masnega deleža elektrofiltrskega pepela v zmesi smo analizo reološkega obnašanja izvedli z eksperimentom s cevnim viskozimetrom. Rezultati eksperimentalnega dela so nam služili za določitev parametrov izbranih reoloških modelov kakor tudi za analizo merilne negotovosti. Primernost izbranih reoloških modelov je ananlizirana s primerjavo rezultatov eksperimentalnega dela in rezultatov, kot dobljenih z numeričnim modeliranjem toka zmesi v kapilarni cevi viskozimetra. Primerjava omenjenih rezultatov je služila tudi kot verifikacija numeričnega modeliranja. Z numeričnim modeliranjem toka zmesi v osnovnih elementih cevnega sistema smo določili koeficiente linijskih izgub za tok v cevi kakor tudi lokalne tlačne izgube za tok skozi nenadno simetrično razširitev in zožitev ter cevno koleno. Izvedena je tudi primerjava rezultatov numeričnega modeliranja toka nenewtonovske zmesi in rezultatov za primer, kot če bi omenjena zmes izkazovala linearno (newtonsko) viskozno obnašanje. Natačnost numeričnega modeliranja je izvedena za tok zmesi skozi cev s primerjavo numerično dobljenih in analitičnih rezultatov.Type of material - master's thesisPublication and manufacture - Maribor : [P. Ternik], 2002Language - slovenianCOBISS.SI-ID - 7206934
Author
Ternik, Primož
Other authors
Marn, Jure |
Škerget, Leopold
Topics
disperzni sistemi |
numerično modeliranje |
parametri |
flow modeling |
numerical modeling |
parameters
Library/institution |
City | Acronym | For loan | Other holdings |
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Library of Technical Faculties, Maribor | Maribor | KTFMB |
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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Ternik, Primož | 20235 |
Marn, Jure | 08584 |
Škerget, Leopold | 06428 |
Source: Personal bibliographies
and: SICRIS
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