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Title:
Numerična simulacija toka goriva v vbrizgalni šobi
Authors:
ID
Šaše, Blaž
(Author)
ID
Kegl, Breda
(Mentor)
More about this mentor...
ID
Lešnik, Luka
(Comentor)
Files:
UN_Sase_Blaz_2017.pdf
(1,79 MB)
MD5: 34979872F6177C70D4DAD2AE90A581C1
PID:
20.500.12556/dkum/76d6fc47-1ab2-402d-93a5-ab3a6bd00128
Language:
Slovenian
Work type:
Bachelor thesis/paper
Typology:
2.11 - Undergraduate Thesis
Organization:
FS - Faculty of Mechanical Engineering
Abstract:
Namen diplomske naloge je bil raziskati tokovne razmere znotraj izvrtine za vbrizg goriva oziroma v vbrizgalni šobi pri uporabi računskih mrež različnih gostot. Izbrati smo morali pravo mrežo, zato smo preračune naredili na redki, srednji in gosti mreži. Diskretizacijo smo naredili z Richardsonovo ekstrapolacijo. Za nadaljnjo analizo smo izbrali srednjo mrežo, ki je podala kompromis med časom izračuna ter kvaliteto izračuna. To mrežo smo nato uporabili za simulacijo pri dveh različnih tlakih. Rezultate obeh tlakov smo primerjali na dveh robnih pogojih, simetriji in izstopu ter prikazali pri štirih različnih časih, kateri so najlepše prikazali spremembo vpadne faze.
Keywords:
dizel
,
kavitacija
,
programski paket FIRE
,
Richardsonova ekstrapolacija
,
vbrizgalne šobe
Place of publishing:
Maribor
Publisher:
[B. Šaše]
Year of publishing:
2017
PID:
20.500.12556/DKUM-68256
UDC:
621.436.038(043.2)
COBISS.SI-ID:
21041686
NUK URN:
URN:SI:UM:DK:LK8ULDYZ
Publication date in DKUM:
29.09.2017
Views:
1796
Downloads:
135
Metadata:
Categories:
KTFMB - FS
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:
ŠAŠE, Blaž, 2017,
Numerična simulacija toka goriva v vbrizgalni šobi
[online]. Bachelor’s thesis. Maribor : B. Šaše. [Accessed 23 January 2025]. Retrieved from: https://dk.um.si/IzpisGradiva.php?lang=eng&id=68256
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Licences
License:
CC BY-SA 4.0, Creative Commons Attribution-ShareAlike 4.0 International
Link:
http://creativecommons.org/licenses/by-sa/4.0/
Description:
This Creative Commons license is very similar to the regular Attribution license, but requires the release of all derivative works under this same license.
Licensing start date:
14.09.2017
Secondary language
Language:
English
Title:
Numerical simulation of fluid flow in the injection nozzle
Abstract:
The purpose of the thesis was to investigate the current conditions inside the fuel injector nozzle when using computational networks of different densities. We had to choose the right network, so we made calculations on the rare, medium and hosted network. Discretization was done with Richardson's extrapolation. For further analysis, we selected a medium network that compromised during the calculation time and the quality of the calculation. This network was then used for simulation at two different pressures. The results of the two pressures were compared on two boundary conditions, symmetry and outlet, and were shown at four different times, which best illustrated the change of the incident phase.
Keywords:
cavitation
,
diesel
,
software package FIRE
,
Richardon's extrapolation
,
injection nozzles
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