A numerical study of boundaries of the operating range of the HCCI combustion

Kozarac, Darko and Sjerić, Momir and Lulić, Zoran (2011) A numerical study of boundaries of the operating range of the HCCI combustion. = A numerical study of boundaries of the operating range of the HCCI combustion. In: 13th EAEC European Automotive Congress, The Automobile in the Second Decade: Sharing all Energy Solutions, 13-16.06.2011., Valencia, Španjolska.

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Official URL: http://bib.irb.hr/prikazi-rad?rad=533257

Abstract

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.

Item Type: Conference or Workshop Item (Lecture)
Keywords (Croatian): HCCI, control model, double Vibe, combustion analysis
Subjects: TECHNICAL SCIENCE > Mechanical Engineering
Divisions: 400 Department of IC Engines and Mechanical Handling Equipment > 410 Chair of IC Engines and Motor Vehicles
Indexed in Web of Science: No
Indexed in Current Contents: No
Date Deposited: 15 Apr 2016 10:52
Last Modified: 01 Mar 2017 09:57
URI: http://repozitorij.fsb.hr/id/eprint/5685

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