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Effect of nitrON® cetane-detergent additive to B7 fuel on energy parameters and exhaust gas composition of a 6Dg locomotive with a Caterpillar C27 engine
1
Mechanical Department, Cracow University of Technology, Poland
2
R&D Specialist, R&D Department, NITROERG S.A. Poland., Poland
Submission date: 2021-06-15
Final revision date: 2021-07-08
Acceptance date: 2021-07-09
Online publication date: 2021-08-01
Publication date: 2021-09-13
Corresponding author
Jerzy CISEK
Mechanical Department, Cracow University of Technology, Jana Pawla II 37, 31-864, Krakow, Poland
Mechanical Department, Cracow University of Technology, Jana Pawla II 37, 31-864, Krakow, Poland
Combustion Engines 2021,186(3), 51–58
KEYWORDS
TOPICS
ABSTRACT
In order to avoid the negative effects of increasing the amount of RME in the fuel, the nitrON® package was used, containing 3 different additives: stabilizing, washing and increasing the cetane number of the fuel. The tests were carried out with the use of the Caterpillar C27 engine of the 6Dg locomotive connected to a water resistor. The hourly engine fuel consumption (FC), NOx concentration and exhaust opacity were measured for 3 points of the F test, in accordance with UIC 624. The concentration of the nitrON® additive in the test fuel was 1500 ppm (v / v). For idling, the reduction in FC value was only 1.5% (in relation to the base fuel), but for a very high engine load and nominal rotational speed, the percentage reduction in FC was as high as 5%. The reduction of NOx concentration for idling (as a result of using nitrON®) was approx. 10%, while for high engine load, the percentage reduction of NOx concentration in the exhaust gas exceeded 15%.
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