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Title:Vpliv kontrolne enote in modela zgorevanja na tranzietno delovanje motorja
Authors:Cvikl, Aleš (Author)
Kegl, Breda (Mentor) More about this mentor... New window
Hribernik, Aleš (Co-mentor)
Files:.pdf MAG_Cvikl_Ales_2016.pdf (3,38 MB)
MD5: 3286E1D0C16BD36648143AF06C074850
 
Language:Slovenian
Work type:Master's thesis/paper (mb22)
Typology:2.09 - Master's Thesis
Organization:FS - Faculty of Mechanical Engineering
Abstract:Ena izmed glavnih težav osebnega dizelskega vozila so emisije in prav na tem področju se v bližnji prihodnosti obetajo morebitne spremembe. Zaradi visokih stroškov razvoja novih sistemov je sprva smiselno preveriti možnost zmanjšanja emisij zgolj s kontrolno enoto motorja. Tako je glavna ideja magistrskega dela prikaz izboljšanja izpusta emisij NOx pri hladnem zagonu, kjer je pretvorba emisij zaradi nizke temperature katalizatorja najslabša. Prikazano je, da lahko z zamikom vbrizga in vbrizganjem ogljikovodikov pred katalizator zmanjšamo izpust NOx pri hladnem zagonu z zgolj nekoliko povišano porabo goriva.
Keywords:EGR, emisije, SCR, UREA, NEDC, NOx
Year of publishing:2016
Publisher:[A. Cvikl]
Source:Maribor
UDC:621.436.068.7(043.2)
COBISS_ID:19549462 New window
NUK URN:URN:SI:UM:DK:11ONTACB
Views:613
Downloads:82
Metadata:XML RDF-CHPDL DC-XML DC-RDF
Categories:KTFMB - FS
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Secondary language

Language:English
Title:Influence of engine control unit and combustion model on transient behavior of engine
Abstract:One of the main issues of diesel passenger car are emissions and in the near future a lot of changes are expected in this area. Due to high costs of developing new systems it makes sense to investigate possibility to reduce emissions only with modifications of engine control unit. The main idea of the thesis is to show improvement of NOx emissions during cold start, where conversion is not sufficient due to low temperature of catalyst. It is shown that with injection delay and injection of hydrocarbons before catalyst it is possible to reduce NOx emission with slightly increased fuel consumption.
Keywords:EGR, emissions, SCR, URE, NEDC, NOx


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