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Determination of Parameters and Characteristics of Injection in Fuel System of Accumulating Type at Cold Start of the Diesel Engine

  • V. V. ShishkovEmail author
  • E. A. Lazarev
Conference paper
Part of the Lecture Notes in Mechanical Engineering book series (LNME)

Abstract

To the accumulating type fuel system, a study of fuel delivery processes for low-temperature start-up conditions was performed. The quality deterioration of fuel atomization occurs as a result of the injection pressure decrease and the back pressure in the combustion chamber at low cranking speeds of the crankshaft. Lowering the temperature, increasing the viscosity of the fuel affects the quality of atomization. As a result of the enlargement of fuel droplets, a significant part of it falls on the cold walls of the combustion chamber. The authors estimated the influence of low temperatures and pressures in the high-pressure line of the system on the characteristics of fuel injection and atomization in the combustion chamber. To improve the quality of the distribution of fuel in the volume of the combustion chamber allows multiphase injection. Local fuel heating in the nozzle may have a great influence on the starting characteristics of the diesel. This contributes to a better distribution of fuel in the combustion chamber volume, crushing the fuel into smaller droplets, reducing the time for heating and evaporation of the fuel.

Keywords

Diesel Fuel system Cold start, fuel injection Fuel delivery parameters Electromagnetic nozzle 

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Copyright information

© Springer Nature Switzerland AG 2020

Authors and Affiliations

  1. 1.South Ural State UniversityChelyabinskRussia

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