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Title:Numerična simulacija procesa zgorevanja v dizelskem motorju ob uporabi različnih modelov zgorevanja
Authors:ID Šimić, Jan (Author)
ID Kegl, Breda (Mentor) More about this mentor... New window
ID Lešnik, Luka (Comentor)
Files:.pdf UNI_Simic_Jan_2014.pdf (1,68 MB)
MD5: A863AE4C38AB5E048DEF687A00193B92
 
Language:Slovenian
Work type:Bachelor thesis/paper
Typology:2.11 - Undergraduate Thesis
Organization:FS - Faculty of Mechanical Engineering
Abstract:Numerične simulacije nam lahko skrajšajo potreben čas za razvoj novega motorja ter zmanjšajo potrebno število eksperimentalnih testiranj. V predstavljenem diplomskem delu so bili testirani štirje matematični modeli (Vibe, 2-conski Vibe, Woschni/Anisits in AVL/MCC) za popis razmer zgorevanja v avtobusnem dizelskem motorju MAN. Dobljeni rezultati (numerične simulacije, tlak v valju motorja, sproščena toplota pri zgorevanju, moč in navor motorja ter specifična poraba goriva) so bili primerjani z eksperimentom. Na osnovi analize in primerjave dobljenih rezultatov je ugotovljeno, da veliko vlogo igrajo nastavitveni parametri v posameznih modelih in da je treba poiskati njihove optimalne vrednosti. Z optimalno izbranimi vrednostmi nastavitvenih parametrov je bilo doseženo najboljše ujemanje numeričnih rezultatov z eksperimentom z modelom AVL/MCC.
Keywords:Modeli zgorevanja, dizelski motorji, programski paket BOOST, karakteristike motorja, numerični izračun.
Place of publishing:Maribor
Publisher:[J. Šimić]
Year of publishing:2014
PID:20.500.12556/DKUM-45010 New window
UDC:519.6:621.436.1.019(043.2)
COBISS.SI-ID:18212374 New window
NUK URN:URN:SI:UM:DK:LSCUP19R
Publication date in DKUM:15.10.2014
Views:1743
Downloads:125
Metadata:XML DC-XML DC-RDF
Categories:KTFMB - FS
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Secondary language

Language:English
Title:Numerical simulation of combustion process in diesel engine by usage of different combustion models
Abstract:Numerical simulations can shorten the time required to develop a new engine and reduce the required number of experimental tests. In the present thesis were four numerical models on test (Vibe, Vibe 2-Zone, Woschni/Anisits and AVL MCC) for numerical simulation of combustion process in diesel bus engine MAN. The obtained results (numerical simulations, pressure in the cylinder, rate of heat released, power, torque and BSFC) were compared with the experiment. Based on the analysis and comparison of the results obtained have been found to play a major role in setting the parameters of individual models and the need to find their optimal values. The selected optimal values of configuration parameters were achieved best fit the numerical results with the experiment with the model AVL/MCC.
Keywords:Combustion models, diesel engine, software package BOOST, characteristics of the engine, numerical calculations.


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