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THE CALCULUS OF THE FUEL CONSUMPTION AND OF THE INJECTION DURATION FOR A SPARK IGNITION ENGINE

10.15660/AUOFMTE.2015-1.3148

Vasile BLAGA, Tudor MITRAN, Nicolae CHIOREANU, Alexandru RUS, George DRAGOMIR

vblaga.ar@gmail.com

Volume XXIV (XIV), 2015/1

In this paper is presented the calculus, designed by the authors, of the fuel supply scheme for a multipoint injection system. The calculated outputs are the fuel consumption and the injection duration depending on the rotational speed and on the environmental temperature. A a computer program was developed to determine the parameters of an SI engine in two cases: 1. the calculation of the injection parameters depending on the rotational speed (n) and on the air fuel ratio () for environmental temperatures t0=-35...+45 0C and environmental pressures p0=1·105 Pa; 2. the calculation of the injection parameters depending on the rotational speed (n) and on the environmental temperature t0 for an air-fuel ratio =1 and environmental pressures p0=1·105 Pa.

Keywords— electric pump, electronic injection, flow meter, air-fuel ratio

ISSN 1583-0691, CNCSIS "Clasa B+"