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A NUMERICAL STUDY OF BOUNDARIES OF THE OPERATING RANGE OF THE HCCI COMBUSTION


Kozarac, Darko; Sjerić, Momir; Lulić, Zoran
A NUMERICAL STUDY OF BOUNDARIES OF THE OPERATING RANGE OF THE HCCI COMBUSTION // Programme and Proceedings EAEC 2011
Valencia: STA - sociedad de tecnicos de automocion, 2011. (poster, međunarodna recenzija, cjeloviti rad (in extenso), znanstveni)


Naslov
A NUMERICAL STUDY OF BOUNDARIES OF THE OPERATING RANGE OF THE HCCI COMBUSTION

Autori
Kozarac, Darko ; Sjerić, Momir ; Lulić, Zoran

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

Izvornik
Programme and Proceedings EAEC 2011 / - Valencia : STA - sociedad de tecnicos de automocion, 2011

Skup
13th EAEC European Automotive Congress, The Automobile in the Second Decade: Sharing all Energy Solutions

Mjesto i datum
Valencia, Španjolska, 13-16.06.2011

Vrsta sudjelovanja
Poster

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
HCCI; control model; double Vibe; combustion analysis

Sažetak
In order to support a development of HCCI engines a fast control oriented combustion model is under development. As a part of this development process a study of boundary conditions of the stable operating range is made. The purpose of this study is to define the method of defining the boundary of stable HCCI combustion, and a method of its calculation. In this work the boundary of stable combustion is defined with the temperature necessary for achieving stable combustion. This temperature will depend on several other operating factors: mass fraction of fuel, mass fraction of CP, engine speed and pressure. In the paper the individual influences of each of these operating factors on the previously mentioned temperature are analysed. From this analysis a function for the calculation of this temperature is derived. By using this function it is possible to define threshold for stable combustion at each operating point within the range of operating conditions used in this analysis.

Izvorni jezik
Engleski

Znanstvena područja
Strojarstvo



POVEZANOST RADA


Projekt / tema
120-2012298-1810 - Biogoriva - nužnost održive mobilnosti u Republici Hrvatskoj (Zoran Lulić, )

Ustanove
Fakultet strojarstva i brodogradnje, Zagreb