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Wyszukujesz frazę "fuel injection rate" wg kryterium: Temat


Wyświetlanie 1-5 z 5
Tytuł:
Calculated injection times of divided fuel dose in a compression ignition engine
Autorzy:
Knefel, T.
Nowakowski, J.
Powiązania:
https://bibliotekanauki.pl/articles/133694.pdf
Data publikacji:
2017
Wydawca:
Polskie Towarzystwo Naukowe Silników Spalinowych
Tematy:
diesel engine
common rail injection system
indicator of injection
fuel injection rate
injection time
silnik spalinowy
układ wtryskowy Common Rail
indykator dawki wtrysku
przebieg wtrysku
czas wtrysku
Opis:
This study presents analyses concerning control processes of injection times of divided dose of fuel, starting from setting of injection time in controller up to moment of execution in compression ignition engine. Multiple injection doses were analyzed taking into consideration both sums of individual portions of doses as well as gaps between the doses. Studies were performed for various configurations of the doses, with different values of injection times and gaps between the injections. Measurements were performed for three measuring groups containing single-, two-, and five-portion doses. At constant values of time in a given group it have been applied variable injection pressures. The most important factors determining division of fuel dose were discussed.
Źródło:
Combustion Engines; 2017, 56, 2; 113-119
2300-9896
2658-1442
Pojawia się w:
Combustion Engines
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Static Model Study on the Characteristics of Coke Oven Gas Dome Injection in COREX Melter Gasifier
Autorzy:
Kou, Mingyin
Zhou, Heng
Wu, Shengli
Shen, Yansong
Powiązania:
https://bibliotekanauki.pl/articles/356304.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
coke oven gas injection
COREX melter gasifier
fuel rate
static model
Opis:
Coke oven gas (COG) dome injection in COREX melter gasifier is recognized as one of effective method to reduce the amount of solid fuel used for gasification. In this work, a static model was developed to study the characteristics when COG is injected from dome. The critical bosh gas and critical fuel rate in COREX melter gasifier under different melting rate and coke rate were discussed. The amount of COG injection from dome under the critical fuel rates was studied. The results shows that when the heat of bosh gas reaching the critical value, the decrement of fuel rate decreases with the increase of melting rate and increases with the increase of coke rate. Under the critical fuel rate, the total volume of COG increases with the increase of melting rate and coke rate. After the COG injection, the amount and reduction capacity of the generator gas can meet the needs of reduction in shaft furnace. The findings of this work can be used as a theoretical basis to guide plant operations for COG injection.
Źródło:
Archives of Metallurgy and Materials; 2020, 65, 1; 275-281
1733-3490
Pojawia się w:
Archives of Metallurgy and Materials
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Effect of biodiesel on the development of split injection characteristics
Autorzy:
Slavinskas, Stasys
Labeckas, Gvidonas
Mickevičius, Tomas
Powiązania:
https://bibliotekanauki.pl/articles/133371.pdf
Data publikacji:
2019
Wydawca:
Polskie Towarzystwo Naukowe Silników Spalinowych
Tematy:
split injection
injection rate
common rail injection system
diesel fuel
biodiesel fuel
wtrysk dzielony
dawka wtrysku
układ wtryskowy Common Rail
olej napędowy
biodiesel
Opis:
The paper presents the experimental test results of a common rail injection system operating with biodiesel and the diesel fuel. The three fuel split injection strategies were implemented to investigate the effects made by biodiesel and a fossil diesel fuel on the history of injector inlet pressure and the injection rate. In addition, the three intervals between split injections and the different injection pressures were used to obtain more information about the studied subjects. The obtained results showed that the peak mass injection rates of the main injection phase were slightly higher when using biodiesel than the respective values measured with the normal diesel fuel. Because the first injection phase activated the fuel pressure fluctuations along the high-pressure line and in front of the injector, the time-span between injections has an impact on the injector inlet pressure and thus the fuel injection rate during the second injection phase. Since the nozzle closes little later for biodiesel, the injector inlet pressure also occurred latter in the cycle.
Źródło:
Combustion Engines; 2019, 58, 2; 103-107
2300-9896
2658-1442
Pojawia się w:
Combustion Engines
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Experimental study on injection characteristics of diesel-bioethanol fuel blends
Autorzy:
Slavinskas, S.
Mickevičius, T.
Powiązania:
https://bibliotekanauki.pl/articles/132882.pdf
Data publikacji:
2015
Wydawca:
Polskie Towarzystwo Naukowe Silników Spalinowych
Tematy:
diesel fuel
ethanol-diesel blend
common rail injection system
injection rate
discharge coefficient
silnik Diesla
układ wtryskowy Common Rail
Opis:
This article presents the test results of injection processes of diesel-bioethanol fuel blends on a high pressure common rail injection system. The injection characteristics were analyzed using the injection rate measuring instrumentation. The injection rate, cycle injection quantity, injection delay and injection duration were analyzed across a range of injection pressure and injection energizing time. As the results show, the peak injection rate and delay of diesel-ethanol blends are lower compared to diesel fuel. The injection duration and discharge coefficients of diesel-ethanol blends were lower than those of diesel fuel. It was observed that fuel density and fuel viscosity have significant influence on the injection characteristics.
Źródło:
Combustion Engines; 2015, 54, 2; 28-32
2300-9896
2658-1442
Pojawia się w:
Combustion Engines
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Study on fuel injector with Hydraulic Amplifier (HADI) on the example of Mercedes-Benz Actros vehicle with OM 471.9 engine
Autorzy:
Mórawski, Ł
Trawiński, G.
Powiązania:
https://bibliotekanauki.pl/articles/242432.pdf
Data publikacji:
2018
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
diesel engine
common rail systems
fuel injectors
injection rate modulation
boot injection
silnik Diesla
system common rail
wtryskiwacze paliwa
modulacja szybkości wtrysku
rozruch silnika
Opis:
One of the recent trends in heavy-duty engines has been the introduction of common rail injector with hydraulic amplifier (HADI − Hydraulically Amplified Diesel Injector) capable of considerable fuel pressure injection increase in reference to fuel pressure prevailing in rail of common rail fuel system. An example of a solution of this type of injectors is the two-valve CRIN4 injectors manufactured by Bosch. They allow the control of the fuel flow rate during injection process and therefore have an impact on the combustion process. In this article, advantages related to their use are described, which allow the engines with such injectors to meet the limits of the admissible content of toxic compounds in the exhaust gases defined in the EURO VI standard. An experimental study of the operation of the Bosch IV generation common rail system was performed on the Mercedes-Benz Actros. During measurement engine load, engine speed, waveforms (electric currents) controlling operation of the selected injectors, fuel pressure in the rail and the control current of high pressure pump control valve (metering unit) were registered. Interpretations of recorded waveforms were made, indicating the areas of application of the various modes operation. The use of CRIN4 injectors for the rapid reduction of fuel pressure in rail was observed, which supports the metering unit (ZME) for pressure control.
Źródło:
Journal of KONES; 2018, 25, 1; 307-316
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-5 z 5

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