Injector Tip Design Improvement of the Diesel Injectors

Paper #:
  • 2011-01-1397

Published:
  • 2011-04-12
Citation:
Marcov, V., Gladyshev, S., and Devianin, S., "Injector Tip Design Improvement of the Diesel Injectors," SAE Technical Paper 2011-01-1397, 2011, https://doi.org/10.4271/2011-01-1397.
Pages:
8
Abstract:
Parameters of the fuel economy and the exhaust gases pollution of the high-speed diesel engines, with unshared and half-shared combustion chambers, are predetermined by processes of fuel spray and fuel-air mixture creation. The parameters of these processes (fuel spraying and development of flame structure dynamic) appreciably depend from design features of a flowing part of the injector tips. The major parameters of the injector tips design are the spraying nozzles length and the ratio of the length these nozzles to their diameters. The experimental research of the D-245.12C type diesel engine has been carried out. Fuel injectors of the diesel engine were equipped with injector tips of different spray nozzles lengths. The experimental data show improvement fuel efficiency, reduction of emissions and smoke due to optimization of geometries in the injector tip.
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