Advanced mathematical model of fuel supply operating process and results of calculations of fuel supply parameters for diesel engine running on composite rapeseed-mineral fuel

Author:

Averyanov Alexander,Rotanov Evgeniy,Vlasov Stanislav

Abstract

Results of theoretical studies are presented, their purpose was to assess the effect of heating of diesel composite fuel on cycle fuel supply and fuel pressure in the above-plunger space of a high-pressure fuel pump (HPFP). A refined mathematical model of the fuel supply process is described, which takes into account the concentration of rapeseed oil in composite rapeseed-mineral fuel and its physical properties, and theoretical justification of a method for determining the mean effective flow crosssection of nozzles and pressure fuel tubing is presented. The analysis results showed that with an increase in the concentration of rapeseed oil in composite diesel fuel and the revolution rate of HPFP camshaft at a temperature of 30 °C, a sharp decrease in the cycle fuel supply is observed which is smoother at heating. The same trend is observed with a change in the fuel pressure in the above-plunger space of HPFP.

Publisher

EDP Sciences

Reference9 articles.

1. Averyanov A.S., Ukhanov A.P., Dependence of diesel fuel apparatus oncomposition by percentage of composite fuel, Collection of materials of the All-russian scientific and practical conference of young scientists «Contribution of young scientists to innovative development of agroindustrial complex of Russia», pp. 29–30 (2009).

2. Averyanov A.S., Ukhanov A.P., Research of physical properties of composite rapeseed-mineral fuel at different temperatures, Collection of materials of the All- russianian scientific and practical conference of «Achievement and prospect of development of biotechnology», pp. 9–13 (2010).

3. Averyanov A.S., Rotanov E.G., Results of stand wear tests of plunge pair offuel pump of 4UTNM rapeseed-mineral and composite fuel, Collection of materials of the Allrussian scientific and practical conference of young scientists «Contribution of young scientists to innovative development of agroindustrial complex of Russia», pp. 273–274 (2011).

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