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master's thesis
Modeliranje, kalibracija i optimizacija Dieselovog motora s unutarnjim izgaranjem
Split: University of Split, Faculty of Electrical Engineering, Mechanical Engineering and Naval Architecture, 2022. urn:nbn:hr:179:712984
Dozan, Bože
University of Split
Faculty of Electrical Engineering, Mechanical Engineering and Naval Architecture
Department of Mechanical Engineering and Naval Architecture

Institutional repository: Repository of the Faculty of Electrical Engineering, Mechanical Engineering and Naval Architecture

Cite this document

Dozan, B. (2022). Modeliranje, kalibracija i optimizacija Dieselovog motora s unutarnjim izgaranjem (Master's thesis). Split: University of Split, Faculty of Electrical Engineering, Mechanical Engineering and Naval Architecture. Retrieved from https://urn.nsk.hr/urn:nbn:hr:179:712984

Dozan, Bože. "Modeliranje, kalibracija i optimizacija Dieselovog motora s unutarnjim izgaranjem." Master's thesis, University of Split, Faculty of Electrical Engineering, Mechanical Engineering and Naval Architecture, 2022. https://urn.nsk.hr/urn:nbn:hr:179:712984

Dozan, Bože. "Modeliranje, kalibracija i optimizacija Dieselovog motora s unutarnjim izgaranjem." Master's thesis, University of Split, Faculty of Electrical Engineering, Mechanical Engineering and Naval Architecture, 2022. https://urn.nsk.hr/urn:nbn:hr:179:712984

Dozan, B. (2022). 'Modeliranje, kalibracija i optimizacija Dieselovog motora s unutarnjim izgaranjem', Master's thesis, University of Split, Faculty of Electrical Engineering, Mechanical Engineering and Naval Architecture, accessed 07 November 2024, https://urn.nsk.hr/urn:nbn:hr:179:712984

Dozan B. Modeliranje, kalibracija i optimizacija Dieselovog motora s unutarnjim izgaranjem [Master's thesis]. Split: University of Split, Faculty of Electrical Engineering, Mechanical Engineering and Naval Architecture; 2022 [cited 2024 November 07] Available at: https://urn.nsk.hr/urn:nbn:hr:179:712984

B. Dozan, "Modeliranje, kalibracija i optimizacija Dieselovog motora s unutarnjim izgaranjem", Master's thesis, University of Split, Faculty of Electrical Engineering, Mechanical Engineering and Naval Architecture, Split, 2022. Available at: https://urn.nsk.hr/urn:nbn:hr:179:712984

Metadata
TitleModeliranje, kalibracija i optimizacija Dieselovog motora s unutarnjim izgaranjem
Title (english)Modeling, calibration and optimization of Diesel internal combustion engine
AuthorBože Dozan
MentorGojmir Radica https://orcid.org/0000-0001-8555-1503 (mentor)
GranterUniversity of Split
Faculty of Electrical Engineering, Mechanical Engineering and Naval Architecture
(Department of Mechanical Engineering and Naval Architecture)
Split
Defense date and country2022-09-13, Croatia
Scientific / art field,
discipline and subdiscipline		TECHNICAL SCIENCES
Mechanical Engineering
General Mechanical Engineering (Construction)
Abstract
Glavni ciljevi ovog rada bili su izrada modela realnog Dieselovog motora u programskom paketu Cruise M, kalibracija modela prema dostupnim proizvođačkim specifikacijama i indiciranim tlakovima mjerenim na probnom stolu te optimizacija radnih parametara u cilju dobivanja boljih performansi motora. U uvodnom dijelu opisane su teorijske osnove rada Dieselovih motora uz elemente koji se odnose upravo na predmetni motor. Uslijedio je opis multijet tehnologije (porijeklo oznake CDTI), kočnice na principu vrtložnih struja te postupka provedbe mjerenja indiciranih tlakova u cilindru zajedno s korištenim elektroničkim elementima. Cjelokupni sklop modeliran je u programu Cruise M, a svaka komponenta unutar modela detaljno je objašnjena zajedno s podacima potrebnim za njenu definiciju. Sa završetkom modeliranja preliminarno je pokrenuta simulacija pri zadanim opterećenjima motora kako bi se dobio iznos odstupanja rezultata od poznatih referenci i na taj način uočilo što je sve potrebno mijenjati za kalibraciju modela. U tu svrhu najvećim dijelom korištene su mape ubrizgavanja goriva i tlaka prednabijanja uz pojedinačne geometrijske karakteristike komponenti. Nakon uspješne kalibracije, model je optimiziran varijacijom početka i trajanja izgaranja te pomakom otvaranja i zatvaranja usisnog i ispušnog ventila za sve cilindre. Usporedba izlaznih karakteristika nakon kalibracije i nakon optimizacije u konačnici je prikazana i objašnjena za sva tri slučaja opterećenja motora, pri čemu se razmatraju snaga, okretni moment, specifična efektivna potrošnja goriva te ukupna učinkovitost bez mogućnosti praćenja štetnih emisija. Zaključno, optimizacija modela, pa tako i realnog predmetnog motora, u cilju poboljšanja značajnih vanjskih karakteristika motora, moguća je određivanjem optimalnih vrijednosti utjecajnih radnih parametara bez djelovanja složenih konstrukcijskih izmjena.
Abstract (english)
The main goals of this paper were the creation of the model of the real Diesel engine in the Cruise M software package, the calibration of the model according to the available manufacturer's specifications and the indicated pressures measured on the test bench, and the optimization of operating parameters in order to obtain better engine performances. In the introductory part, the theoretical basis of Diesel engine operation were described along with elements that relate to the engine in question. This was followed by a description of multijet technology (the origin of the CDTI designation), eddy current brake and the procedure of measuring the indicated pressures in the cylinder together with the electronic elements used. The entire assembly was modeled in the Cruise M program and each component within the model was explained in detail along with the data required for its definition. With the end of the modeling, a preliminary simulation was started at the given engine loads in order to obtain the amount of deviation of the results from the known references and to see what needed to be changed for the calibration of the model. For this purpose, maps of fuel injection and boost pressure were mostly used along with individual geometrical characteristics of the components. After successful calibration, the model was optimized by varying the start and duration of combustion and by shifting opening and closing of the intake and exhaust valves for all cylinders. Finally, the comparison of the output characteristics after calibration and after optimization was shown and explained for all three engine load cases considering power, torque, specific effective fuel consumption and overall efficiency without the possibility of monitoring harmful emissions. In conclusion, the optimization of the model, including the actual engine in question, in order to improve the significant external characteristics of the engine, is possible by determining the optimal values of the influential operating parameters without the effect of complex structural changes.
Keywords
Keywords (english)
Languagecroatian
URN:NBNurn:nbn:hr:179:712984
Study programmeTitle: Mechanical Engineering; specializations in: Structures and Energy Technology, Computer Aided Design and Engineering, Production Mechanical Engineering
Course: Structures and Energy Technology
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 conditionsAccess restricted to authenticated users
Terms of useLicence In copyright icon
Created on2023-05-03 12:15:49