Organization of Six-Cylinder Tractor Diesel Working Process
https://doi.org/10.21122/2227-1031-2021-20-5-427-433
Abstract
The purpose of the work is to consider the organization of the working process of six-cylinder diesel engines with a power of 116 and 156 kW and exhaust gas recirculation. The following systems and components were used in the experimental configurations of the engine: Common Rail BOSСH accumulator fuel injection system with an injection pressure of 140 MPa, equipped with electro-hydraulic injectors with seven-hole nozzle and a 500 mm3 hydraulic flow; direct fuel injection system with MOTORPAL fuel pump with a maximum injection pressure of 100 MPa, equipped with MOTORPAL and AZPI five-hole nozzle injectors; two combustion chambers with volumes of 55 and 56 cm3 and bowl diameters of 55.0 and 67.5 mm, respectively; cylinder heads providing a 3.0–4.0 swirl ratio for Common Rail system, 3.5–4.5 for mechanical injection system. The recirculation rate was set by gas throttling before the turbine using a rotary valve of an original design. The tests have been conducted at characteristic points of the NRSC cycle: minimum idle speed 800 rpm, maximum torque speed 1600 rpm, rated power speed 2100 rpm. It has been established that it is possible to achieve the standards of emissions of harmful substances: on the 116 kW diesel engine using of direct-action fuel equipment and a semi-open combustion chamber; on the 156 kW diesel using Common Rail fuel supply system of the Low Cost type and an open combustion chamber.
About the Authors
G. M. Kuharonak
Белорусский национальный технический университет
Belarus
Belarus
Address for correspondence: Kuharonak Georgy M. – Belаrusian National Technical University, 12, Ya. Kolasa str., 220013, Minsk, Republic of Belarus. Tel.: +375 17 292-81-86
kux@tut.by
M. Klesso
Minsk Motor Plant
Belarus
Belarus
Minsk
A. Predko
Minsk Motor Plant
Belarus
Belarus
Minsk
D. Telyuk
Minsk Motor Plant
Belarus
Belarus
Minsk
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Review
For citations:
Kuharonak G.M., Klesso M., Predko A., Telyuk D. Organization of Six-Cylinder Tractor Diesel Working Process. Science & Technique. 2021;20(5):427-433. https://doi.org/10.21122/2227-1031-2021-20-5-427-433
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