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Title:Določitev parametrov modela razprševanja in analiza tokovnih razmer v pretvorniku s selektivno katalitično redukcijo
Authors:ID Mlakar, Matija (Author)
ID Hriberšek, Matjaž (Mentor) More about this mentor... New window
ID Nahtigal, Anton (Comentor)
Files:.pdf MAG_Mlakar_Matija_2016.pdf (2,26 MB)
MD5: AB3F64E0861B4AE6F6FEB9DB4325BEE9
 
Language:Slovenian
Work type:Master's thesis/paper
Typology:2.09 - Master's Thesis
Organization:FS - Faculty of Mechanical Engineering
Abstract:Pred samim procesom simuliranja razmer v pretvorniku s selektivno katalitično redukcijo je bilo potrebno pridobiti podatke iz meritev, ki so bile narejene z PDA merilnim sistemom. Meritve v magistrski nalogi niso bile izvedene temveč so bili pridobljeni samo rezultati. Pridobljene meritve so bile nato uporabljene za določevanje parametrov razprševanja v programskem paketu AVL FIRE. Cilj določevanja parametrov je bil ta, da se zagotovi prileganje rezultatov simulacije na pridobljene meritve. Po uspešni določitvi parametrov sta bili narejeni dve CFD simulaciji. Prva je v geometriji vsebovala mešalo, ki skrbi za enakomerno porazdelitev NH3 pred vstopom v katalizator. V drugi simulaciji pa je bilo mešalo odstranjeno. Medsebojna primerjava rezultatov obeh simulacij je pokazala, da prinese mešalo v SCR sistem veliko več prednosti kot slabosti.
Keywords:CFD simulacija, določitev parametrov razprševanja, selektivna katalitična redukcija, analiza tokovnih razmer, mešalo
Place of publishing:Maribor
Publisher:[M. Mlakar]
Year of publishing:2016
PID:20.500.12556/DKUM-61975 New window
UDC:004.94:532.525(043.2)
COBISS.SI-ID:20413718 New window
NUK URN:URN:SI:UM:DK:OJRGJ6EN
Publication date in DKUM:07.10.2016
Views:1503
Downloads:162
Metadata:XML DC-XML DC-RDF
Categories:KTFMB - FS
:
MLAKAR, Matija, 2016, Določitev parametrov modela razprševanja in analiza tokovnih razmer v pretvorniku s selektivno katalitično redukcijo [online]. Master’s thesis. Maribor : M. Mlakar. [Accessed 23 March 2025]. Retrieved from: https://dk.um.si/IzpisGradiva.php?lang=eng&id=61975
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Secondary language

Language:English
Title:Spray parameter determination and flow analysis in a selective catalyst reduction converter
Abstract:Before CFD simulation of SCR could be setup data from measurements had to be obtained. Measurements were performed by colleges with PDA measuring technique and are not part of this masters theses. However PDA system is described. Measurements results were then used to determine spray parameters in CFD simulation which was made in AVL FIRE. With spray parameters set up in a way that simulation results fit to measurement data two simulations were made. First simulation contained mixer before catalyst which provides sufficient NH3 uniformity. In second simulation mixer was removed and results were compared. Final conclusion was that the benefits of mixer outweigh its flaws in SCR system.
Keywords:CFD simulation, spray parameter determination, selective catalytic reduction, flow analysis, mixer


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