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THE INFLUENCE OF FUEL THERMODYNAMICAL PROPERTIES AND INJECTION RATE ON INJECTOR CONTRACTION COEFFICIENT AND REYNOLDS NUMBER – NUMERICAL ANALYSIS


Mrzljak, Vedran; Senčić, Tomislav; Banovac, Anton
THE INFLUENCE OF FUEL THERMODYNAMICAL PROPERTIES AND INJECTION RATE ON INJECTOR CONTRACTION COEFFICIENT AND REYNOLDS NUMBER – NUMERICAL ANALYSIS // Proceedings of International Conference on Innovative Technologies, IN-TECH 2018 / Car, Zlatan ; Kudláček, Jan (ur.).
Zagreb: Faculty of Engineering, University of Rijeka, 2018. str. 17-20 (poster, međunarodna recenzija, cjeloviti rad (in extenso), znanstveni)


Naslov
THE INFLUENCE OF FUEL THERMODYNAMICAL PROPERTIES AND INJECTION RATE ON INJECTOR CONTRACTION COEFFICIENT AND REYNOLDS NUMBER – NUMERICAL ANALYSIS

Autori
Mrzljak, Vedran ; Senčić, Tomislav ; Banovac, Anton

Vrsta, podvrsta i kategorija rada
Radovi u zbornicima skupova, cjeloviti rad (in extenso), znanstveni

Izvornik
Proceedings of International Conference on Innovative Technologies, IN-TECH 2018 / Car, Zlatan ; Kudláček, Jan - Zagreb : Faculty of Engineering, University of Rijeka, 2018, 17-20

Skup
International Conference on Innovative Technologies, IN-TECH 2018

Mjesto i datum
Zagreb, Hrvatska, 05-07.09.2018

Vrsta sudjelovanja
Poster

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
Fuel properties ; Fuel injector ; Fuel contraction coefficient ; Reynolds number ; Numerical analysis

Sažetak
The influences of liquid fuel temperature, pressure and injection rate on fuel contraction coefficient and Reynolds number for a typical fuel injector were numerically investigated. Nozzle geometry parameters remained constant during the analysis. Calculations were performed with a standard diesel fuel D2. Increase in fuel injection rate causes an increase in the fuel contraction coefficient, while the increase in fuel pressure decreases fuel contraction coefficient. Increase in fuel temperature causes an increase in contraction coefficient. For the lower fuel pressures, an increase in the injection rate causes only slight increase in contraction coefficient for every observed fuel temperature, while at higher fuel pressures increase in the injection rate causes significant increase in contraction coefficient especially for lower fuel temperatures. The highest Reynolds numbers were obtained for the highest injection rates. Increase in fuel temperature causes an increase in Reynolds number for every fuel pressure, while an increase in fuel pressure causes decrease in Reynolds number for every fuel temperature.

Izvorni jezik
Engleski

Znanstvena područja
Strojarstvo



POVEZANOST RADA


Ustanove
Tehnički fakultet, Rijeka