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master's thesis
UTJECAJ VARIJABILNOG RAZVODA VENTILA NA KARAKTERISTIKE DIZELSKOG MOTORA
2023. urn:nbn:hr:190:569159
Kovačević, Leo
University of Rijeka
Faculty of Engineering

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Kovačević, L. (2023). UTJECAJ VARIJABILNOG RAZVODA VENTILA NA KARAKTERISTIKE DIZELSKOG MOTORA (Master's thesis). Rijeka: University of Rijeka, Faculty of Engineering. Retrieved from https://urn.nsk.hr/urn:nbn:hr:190:569159

Kovačević, Leo. "UTJECAJ VARIJABILNOG RAZVODA VENTILA NA KARAKTERISTIKE DIZELSKOG MOTORA." Master's thesis, University of Rijeka, Faculty of Engineering, 2023. https://urn.nsk.hr/urn:nbn:hr:190:569159

Kovačević, Leo. "UTJECAJ VARIJABILNOG RAZVODA VENTILA NA KARAKTERISTIKE DIZELSKOG MOTORA." Master's thesis, University of Rijeka, Faculty of Engineering, 2023. https://urn.nsk.hr/urn:nbn:hr:190:569159

Kovačević, L. (2023). 'UTJECAJ VARIJABILNOG RAZVODA VENTILA NA KARAKTERISTIKE DIZELSKOG MOTORA', Master's thesis, University of Rijeka, Faculty of Engineering, accessed 19 February 2025, https://urn.nsk.hr/urn:nbn:hr:190:569159

Kovačević L. UTJECAJ VARIJABILNOG RAZVODA VENTILA NA KARAKTERISTIKE DIZELSKOG MOTORA [Master's thesis]. Rijeka: University of Rijeka, Faculty of Engineering; 2023 [cited 2025 February 19] Available at: https://urn.nsk.hr/urn:nbn:hr:190:569159

L. Kovačević, "UTJECAJ VARIJABILNOG RAZVODA VENTILA NA KARAKTERISTIKE DIZELSKOG MOTORA", Master's thesis, University of Rijeka, Faculty of Engineering, Rijeka, 2023. Available at: https://urn.nsk.hr/urn:nbn:hr:190:569159

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Metadata
TitleUTJECAJ VARIJABILNOG RAZVODA VENTILA NA KARAKTERISTIKE DIZELSKOG MOTORA
Title (english)INFLUENCE OF VARIABLE VALVE TIMING ON DIESEL ENGINE CHARACTERISTICS
AuthorLeo Kovačević
MentorTomislav Mrakovčić (mentor)
MentorVedran Mrzljak (komentor)
Committee memberTomislav Mrakovčić (predsjednik povjerenstva)
Committee memberTomislav Senčić (član povjerenstva)
Committee memberVedran Mrzljak (član povjerenstva)
GranterUniversity of Rijeka
Faculty of Engineering
Rijeka
Defense date and country2023-09-12, Croatia
Scientific / art field,
discipline and subdiscipline		TECHNICAL SCIENCES
Mechanical Engineering
Abstract
Glavni izazovi na koje je usmjeren napredak motora posljednjih godina su potreba za smanjenjem potrošnje goriva i potreba za poštivanjem sve strožih zakonskih ograničenja emisija štetnih tvari u okoliš. Napredna tehnologija koja se koristi u tu svrhu je varijabilno upravljanje ventilima. U ovom diplomskom radu dan je pregled razvoja motora kroz povijest, princip rada motora s unutarnjim izgaranjem i osnovne veličine koljenastog mehanizma. Opisana je uloga razvodnog mehanizma i objašnjeni su principi i vrste varijabilnog upravljanja ventila. U konačnici je dana analiza varijabilnog upravljanja ventila u Engine Simulation računalnom programu na osnovne karakteristike šesterocilindričnog dizelskog motora s atmosferskim usisom koji je po konstrukciji sličan BMW M57D30 motoru. Analizom je dokazano da je varijabilnim upravljanjem razvoda ventila moguće postići bolje karakteristike motora u širem rasponu brzine vrtnje, nego li je to kod motora s fiksnim razvodom ventila.
Abstract (english)
The main challenges on which engine progress has been focused in recent years are the need to reduce fuel consumption and the need to comply with increasingly strict legal restrictions on emissions of harmful substances into the environment. The advanced technology used for this purpose is variable valve control. This thesis provides an overview of engine development throughout history, the working principle of an internal combustion engine and the basic sizes of the crank mechanism. The role of the timing mechanism is described and the principles and types of variable valve control are explained. Finally, an analysis of the variable valve control in the Engine Simulation computer program was given on the basic characteristics of a six-cylinder naturally aspirated diesel engine that is similar in design to the BMW M57D30 engine. The analysis proved that with variable valve timing control it is possible to achieve better engine characteristics in a wider range of rotation speed than with engines with fixed valve timing.
Keywords
Keywords (english)
Languagecroatian
URN:NBNurn:nbn:hr:190:569159
Study programmeTitle: Mechanical Engineering
Study programme type: university
Study level: graduate
Academic / professional title: magistar/magistra inženjer/inženjerka strojarstva (magistar/magistra inženjer/inženjerka strojarstva)
Type of resourceText
File originBorn digital
Access conditionsOpen access
Terms of useLicence Attribution 4.0 International (CC BY 4.0) icon
Created on2023-09-14 12:59:25