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Title:Siskov model toka nenewtonskih tekočin z metodo končnih prostornin
Authors:ID Delić, Marjan (Author)
ID Marn, Jure (Author)
ID Žunič, Zoran (Author)
Files:URL http://www.dlib.si/details/URN:NBN:SI:doc-QV19UPYB
 
Language:Slovenian
Work type:Not categorized (r6)
Typology:1.01 - Original Scientific Article
Organization:FS - Faculty of Mechanical Engineering
Abstract:Analizirali smo primernost metode končnih prostornin za izračun tokovnih razmer v nestisljivi viskozni nenewtonski tekočini ob uporabi Siskovega modela. Prav tako smo analizirali natančnost numeričnih rezultatov v odvisnosti od gostote mreže. Metodo smo testirali na primeru gnanega toka v kotanji in primeru toka v kanalu z nenadno zožitvijo. Numerično dobljene rezultate smo primerjali z vrednostmi iz literature. Za reološki model smo uporabili modelne parametre, dobljene na podlagi preskusa s cevnim viskozimetrom.
Year of publishing:2002
Publisher:Association of Mechanical Engineers and Technicians of Slovenia et al.
Number of pages:str. 687-695
Numbering:Letn. 48, št. 12
PID:20.500.12556/DKUM-53152 New window
UDC:532.57:519.61/.64
ISSN on article:0039-2480
COBISS.SI-ID:5761819 New window
NUK URN:URN:SI:UM:DK:J6DZTBBW
Publication date in DKUM:10.07.2015
Views:846
Downloads:30
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Categories:Misc.
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Record is a part of a journal

Title:Strojniški vestnik
Shortened title:Stroj. vestn.
Publisher:Zveza strojnih inženirjev in tehnikov Slovenije [etc.], = Association of Mechanical Engineers and Technicians of Slovenia [etc.]
ISSN:0039-2480
COBISS.SI-ID:762116 New window

Secondary language

Language:English
Title:The Sisko model for non-Newtonian fluid flow using the finite volume method
Abstract:We have analyzed the suitability of the finite-volume method for calculating incompressible, viscous, non-Newtonian fluid flow where the Sisko model was used. In addition, convergence criteria are presented and the convergence depending on the mesh size was analyzed. The method was tested for the driven-cavity case and flow in a channel with a sudden contraction. The numerical solution was compared with the results evailable in the open literature. For the rheological model, parameters obtained from an experiment with a capillary viscometer were used.
Keywords:non-newtonian fluids, flow models, control-volume methods, rheological models


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