ANALYSIS OF REALIZATION OF STEPPED FUEL INJECTION WITHOUT CHANGING DESIGN OF COMMON RAIL INJECTOR
Journal Title: Mobility and Vehicle Mechanics - Year 2018, Vol 44, Issue 2
Abstract
A calculated-experimental analysis of realization of stepped front edge of injection rate (stepped injection) was carried out. Common rail injectors (CRI) of three most widely used designs took part in the research: CRI No 1 distinguished by its control valve with a locking cone and piston; CRI No 2 with a control valve unloaded from fuel pressure, channel on the piston and enlarged internal volume; CRI No 3 with a control valve having a flat lock and a needle which is not closing the drain channel when staying in the upper position. It is demonstrated that friction in the couple – control valve piston/guiding surface of the CRI No 1 hampers realization of stepped front edge of injection rate due to its smoothening. When using the CRI No 2, it is possible to obtain stepped injection only at low fuel pressure in common rail (pcr ≤ 50 MPa). The CRI No 3 ensure the stepped injection at different pressures up to pcr=200 MPa.
Authors and Affiliations
Mikhail G. Shatrov, Leonid N. Golubkov, Andrey U. Dunin, Pavel V. Dushkin, Andrey L. Yakovenko
Keywords
Related Articles
- EP ID EP538832
- DOI 10.24874/mvm.2018.44.02.01
- Views 97
- Downloads 0
A PRELIMINARY ASSESSMENT OF RESIDENTIAL APPLICATION OF INTERNAL COMBUSTION ENGINE BASED COGENERATION IN SERBIAN CLIMATIC CONDITIONS WITH BUILDING SIMULATION PROGRAM
In this paper the energetic and economic performance assessment of residential application of IC engine based cogeneration system in the Serbian climatic conditions using building energy simulation software was performed...
PLATFORM OSCILLATIONS UNDER THE INFLUENCE OF INTEGRATED WEAPON’S RECOIL FORCE
Oscillations of light wheeled vehicle’s centre of gravity, caused by firing weapon integrated on it, are studied through simulation of its axial and angular displacements. Dynamical model of system with three degrees of...
APPLICATION OF VARIOUS SIGNAL PROCESSING METHODS IN COMBUSTION ENGINES
Study of combustion process in engines often rely on various diagnosis techniques which are based on acquisition of in cylinder pressure. In this work various tests were conducted to analyse the working of a gasoline eng...
END-OF-LIFE VEHICLE DISPOSAL AND IT’S INFLUENCE TO THE ENVIRONMENT
Motor vehicle industry is nowadays exposed to numerous serious challenges, mostly related to its influence to environment. Motor vehicles during their life cycles affect the environment in several aspects: through consum...
ALTERNATIVE DESIGN FOR A SEMI – TRAILER TANK VEHICLE
The assessment of the design parameters of a semi-trailer tank vehicle is crucial and it is related to the three motions, namely longitudinal (driving and braking), lateral (guidance and steering), and vertical (suspensi...