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Journal of KONES
EN Numerical analysis results of influence of prechamber geometry in two stage combustion system SI engine on chosen engine work cycle parameters such as temperature and pressure are presented in the paper. Within the confines of calculations performed in KIVA-3V software, the modelling of processes oc[...]
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Bulletin of the Polish Academy of Sciences. Technical Sciences
2014 Vol. 62, nr 4 779--790
EN The results of theoretical analysis of a mixture formation process during the compression stroke in a prechamber of the IC (internal combustion) gas engine with the stratified mixtures two-stage combustion system were presented in the paper. The course of excess air-fuel ratio changes in prechamber [...]
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Chemical and Process Engineering
EN Lean mixture burning leads to a decrease in the temperature of the combustion process and it is one of the methods of limiting nitric oxide emissions. It also increases engine efficiency. An effective method to correct lean mixture combustion can be a two-stage system of stratified mixture combustio[...]
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Combustion Engines
2019 R. 58, nr 1 27--35
EN Today’s passenger car CNG engines are based on petrol engines which typically have restrictions preventing the exploitation of the full potential of methane based fuels, especially if they have to be operated also on petrol as a second fuel. Additionally, the use of threeway-catalysis limits the eng[...]
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Prace Naukowe Akademii im. Jana Długosza w Częstochowie. Edukacja Techniczna i Informatyczna
2010 T. 5 17-28
PL W pracy przedstawiono porównanie wyników modelowania obiegu silnika ZI zasilanego mieszanką homogeniczną i realizującego jednostopniowy system spalania z wynikami modelowania obiegu silnika ZI zasilanego mieszanką heterogeniczną i realizującego dwustopniowy system spalania. Do modelowania obiegu sil[...]
EN This paper compares numerical modelling results of SI engine work cycle powered by homogeneous mixture with single-stage combustion system and SI engine work cycle powered by heterogeneous mixture with two-stage combustion system. The numerical model of the engine work cycle was built using KIVA 3V [...]
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Combustion Engines
2019 R. 58, nr 1 36--41
EN The increase in ignitability consist a main aim of implementation of the turbulent jet ignition (TJI) in relation to the combustion of diluted charges. Such an ignition system has been introduced to the lean-burn CNG engine in the scope of GasOn-Project (Gas Only Internal Combustion Engines). In thi[...]
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Combustion Engines
2019 R. 58, nr 1 16--26
EN Searching for further reduction of fuel consumption simultaneously with the reduction of toxic compounds emission new systems for lean-mixture combustion for SI engines are being discussed by many manufacturers. Within the European GasOn-Project (Gas Only Internal Combustion Engines) the two-stage c[...]
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Journal of KONES
PL W pracy przedstawiono wyniki badań eksperymentalnych procesu spalania w maszynie pojedynczego sprężu. W badaniach zastosowano oryginalny system spalania, opracowany w Zakładzie Silników Lotniczych Politechniki Warszawskiej, w którym dokonano podziału komory spalania na komorę wstępną i główną. Syste[...]
EN The paper presents results of experimental investigation of combustion process in rapid compression machine. New combustion system for spark ignition engines, in which combustion chamber was divided into the prechamber and main chamber was applied. It is known as Jet Dispersion Combustion (JDC) beca[...]
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Journal of KONES
PL W artykule zaprezentowano fotografie Schlieren procesu spalania oraz wyniki pomiarów ciśnienia w cylindrze w eksperymentalnym czterocylindrowym czterosuwowym silniku z nowym systemem spalania. Nowy system spalania silnika z zapłonem iskrowym jest oryginalnym systemem, w którym komora spalania jest p[...]
EN In the study the high speed Schlieren photographs of combustion process and suitable pressure traces in cylinder, in experimental four cylinder four stroke internal combustion engine with the new combustion system, are presented. The new combustion system for spark ignition is the original system in[...]
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