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Title:Vpliv lastnosti goriv na karakteristike curka dizelskega motorja : diplomsko delo
Authors:ID Hanžel, Aljaž (Author)
ID Lešnik, Luka (Mentor) More about this mentor... New window
ID Vrečko, Igor (Mentor) More about this mentor... New window
ID Kegl, Breda (Comentor)
Files:.pdf UN_Hanzel_Aljaz_2022.pdf (2,04 MB)
MD5: 1A028C7FA5581B97B5A60D52BFD302FD
 
Language:Slovenian
Work type:Bachelor thesis/paper
Typology:2.11 - Undergraduate Thesis
Organization:FS - Faculty of Mechanical Engineering
Abstract:Ob vse večji energetski krizi ter neizogibnem dejstvu, da bo človeštvo slej ko prej porabilo zalogo nafte, se pojavlja vprašanje, kaj bo nadomestilo fosilna goriva. Biogoriva so eden izmed trenutno najpogostejših odgovorov na zastavljeno vprašanje. Namen tega dela je bilo pridobiti podatke o vplivu lastnosti biodizelskega goriva na tok v visokotlačni šobi ter na curek, ki se razvije ob vbrizgavanju v zgorevalni prostor motorja. Te podatke smo pridobili na podlagi numerične analize, ki smo jo izvedli v programskem okolju AVL FIRE. Te podatke smo primerjali s podatki enake analize, ki smo jo izvedli za klasično dizelsko gorivo. Opazili smo, da se višja dinamična viskoznost, gostota ter površinska napetost biogoriva odražajo na večji dolžini ter ožji širini curka goriva. Iz rezultatov je razvidno tudi, da uporaba biodizla privede do manjših kapljic goriva ter počasnejšega razvoja kavitacije v toku skozi izvrtino šobe.
Keywords:dizel, biogorivo, vpliv lastnosti goriva, lastnosti curka, lastnosti toka, numerična simulacija, programski paket AVL FIRE
Place of publishing:Maribor
Place of performance:Maribor
Publisher:[A. Hanžel]
Year of publishing:2022
Number of pages:1 spletni vir (1 datoteka PDF (IX, 33 f.))
PID:20.500.12556/DKUM-83071 New window
UDC:532.525:621.436.038(043.2)
COBISS.SI-ID:190060291 New window
Publication date in DKUM:05.10.2022
Views:790
Downloads:245
Metadata:XML DC-XML DC-RDF
Categories:KTFMB - FS
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Licences

License:CC BY-NC-ND 4.0, Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International
Link:http://creativecommons.org/licenses/by-nc-nd/4.0/
Description:The most restrictive Creative Commons license. This only allows people to download and share the work for no commercial gain and for no other purposes.
Licensing start date:15.09.2022

Secondary language

Language:English
Title:The influence of fuel properties on spray characteristics
Abstract:Due to ever growing energy crisis, and the inevitable fact that human kind wil use all of the Earths oil sooner or later. The question occurs. What will replace the fossil fuels? -Biofuels, is among the most popular aswers. The purpose of this work is to gather information on how the biofuels's chracteristics, influence the flow inside the highpressure injector, and on the spray characterics of fuel injected into diesel engine. The data was gathered based on numerical simulation which was preformed with AVL FIRE program. Same simulation was also preformed for conventional diesel fuel. The results have shown that biodiesel's higher dynamic viscosity, higher density and higher surface tension, reflect in a longer and narrower jet of fuel. Narrower angle of spray and smaller droplet diameter. And slower cavitation development inside the nozzle flow.
Keywords:diesel, biofuel, fuel properties influence, flow characteristics, spray characteristics, numerical simulation, AVL FIRE


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