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1
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Journal of KONES
EN In recent years the use of alternative fuels based, among other things, on vegetable oil is causing increasing concern, which is also observed in our country. Such fuels have different physical and chemical properties (especially viscosity) with reference to the standard diesel fuel. Therefore it is[...]
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Journal of KONES
EN The storage supply systems of Common Rail type are characterized by high possibilities in shaping the rate of injection. The possibility to implement multi-injection at high pressure, easiness of adapting the system to the engine, relatively easiness of compensation the arrangement of injector param[...]
3
100%
Journal of Polish CIMAC
2009 Vol. 4, no 2 169-176
EN Common Rail systems are most frequently used solution to the fuel supply system of Diesel engines. This is due to their high potential to shape the characteristics of fuel injection. One of the important requirements for each injection system is precision dose control and its onset, that is, as a co[...]
4
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Journal of KONES
EN Designers of gasoline engines are faced with higher and higher requirements as regards ecological problems and increase in engine efficiency at a simultaneous decrease in fuel consumption. Satisfaction of these requirements is possible due to recognition of the phenomena occurring inside the engine [...]
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Acta Mechanica et Automatica
2018 Vol. 12, no. 4 276--280
EN In this paper, a novel fuel-injection mechatronic control method and system for direct injection (DI) internal combustion engines (ICE) is proposed. This method and system is based on the energy saving in a capacitance using DC-DC converter, giving a very fast ON state of the fuel injectors’ electro[...]
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Journal of KONES
2018 Vol. 25, No. 4 199--206
EN The conducted tests were aimed at determination of the drop diameters and shaping of the velocity field at different configurations of the test injector. The test results allowed defining the relationship between the injector configuration and the distribution of velocities and dimensions of drops i[...]
7
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Journal of KONES
EN Diagnostic methods of gas alternative feeding systems were presented in this paper. Methods of validation for properly cooperation between OEM petrol systems and gas injection system were described. Procedures allowing the analysis ofproper operation of both petrol and alternative feeding systems we[...]
8
88%
Journal of KONES
EN The use of direct injection in spark ignition engines significantly facilitated the use of chargers in these engines. This resulted lately in the significant popularization of direct injection engines, initially freely sucking and in final result turbocharged. The greatest popularity on the market g[...]
9
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Journal of KONES
EN Experimental results of the four-stroke CI direct injection engine fed with vegetable fuel - methyl esters of the rapeseed oil in aspect pressure course and heat release are presented in the paper. Aim realized researches was estimation of the influence feed of the CI engine a vegetable fuel on perf[...]
10
88%
Journal of KONES
EN In this paper, low-cost solutions were proposed to reduce the fuel consumption in a boosted port fuel injection spark ignition (PFI SI) engine, taking into account the engine performances and the pollutants emission. To this purpose, the optical characterization of the fuel injection and of the comb[...]
11
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Journal of Polish CIMAC
EN The common rail fuel supply systems on account of flexibility at injection characteristic shaping, are the most frequently applied fuel supply solution in Diesel engines. The most essential parameters, which have the effect on fuel dosing precision are injection duration, rail pressure and fuel temp[...]
12
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Polish Maritime Research
2017 nr 3 99--105
EN The process of fuel combustion in a diesel engine is determined by factors existing during liquid fuel injection and atomisation. The physicochemical properties of the fuel to a large extent decide upon the quality of this phase of cylinder fuelling. So it is important to ensure appropriate properti[...]
13
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Journal of KONES
2018 Vol. 25, No. 2 185--190
EN The article presents experimental research that has been carried out on a marine, 4-stroke, 3-cylinder, turbocharged engine. During testing, the engine operated at a constant rotational speed of 750 rpm and a load from 0 kW to 280 kW. The engine was fuelled by diesel oil of known specification and l[...]
14
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Journal of KONES
2018 Vol. 25, No. 4 263--276
EN This paper outlines the methods and results of computations completed using the ANSYS Fluent code modelling the fuel injection and combustion within the K6 engine, a new form of rotary engine in which the fuel is injected in an arc across the top of the cylinder. The model uses the DPM Model in conj[...]
15
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Inżynieria Rolnicza
PL Artykuł przedstawia wyniki badań drgań silnika o zapłonie samoczynnym stosowanym w ciągniku rolniczym, wykorzystującym zmodyfikowaną klasyczną rzędową pompę wtryskową. Celem przeprowadzonych pomiarów było wyznaczenie wartości przyspieszeń drgań silnika oraz określenie wpływu sterowania procesem wtry[...]
EN The article presents research results of a compression ignition engine used in a farm tractor using a modified classic row injection pump. The purpose of the measurements, which were carried out was to determine the value of acceleration of engine vibrations as well as to assess the influence of con[...]
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Silniki Spalinowe
PL Artykuł przedstawia analizę rozpylenia paliwa z wtryskiwaczy piezoelektrycznych pracujących w układach wtrysku wysokociśnieniowego stosowanego w silnikach o zapłonie iskrowym i samoczynnym. Przedstawiono w nim metodykę i wyniki badań wpływu ciśnienia wtrysku paliwa oraz przeciwciśnienia w komorze st[...]
EN The paper presents the methodology and tests results of the influence of the fuel injection pressure and combustion chamber back pressure on the changes of the fuel spray geometrical parameters injection uniformity and its quality during the injection. While evaluating the geometrical fuel spray par[...]
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Journal of KONES
PL Intensywny rozwój silników wysokoprężnych z bezpośrednim wtryskiem paliwa, wyposażonych w akumulacyjne układy zasilania typu Common Rail, jest podyktowany głównie względami ekologicznymi. Ogólnie, silniki tego typu charakteryzują się stosunkowo niskim jednostkowym zużyciem paliwa, mniejszą hałaśliwo[...]
EN In recent years the compression ignition engines with direct injection equipped with common rail system are subject to intensive development. Mainly, the reason for it the ecological considerations are. Generally the engines of this type are characterized by relatively low specific fuel consumption,[...]
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Diagnostyka
2008 nr 4(48) 149-152
PL W artykule przedstawiono wyniki badań nad możliwością detekcji oraz stopniem odwzorowania procesu wtrysku paliwa w silniku o zapłonie samoczynnym. Przedstawiono genezą tematu i metodykę badań realizowanych na jednocylindrowym silniku badawczym. Wyniki badań laboratoryjnych zweryfikowano na wielocyli[...]
EN The article presents some results of the research on possibilities of use a vibration signal of diesel engine in order to detect and describe a fuel injection process. This paper includes a genesis of this problem and a methodology of performed tests, which were executed on one-piston laboratory tes[...]
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Zeszyty Naukowe Instytutu Pojazdów / Politechnika Warszawska
2011 z. 1/82 187--198
PL W artykule przedstawiono wyniki badań i ocenę wieloetapowego wtrysku paliwa w silniku MultiJet 1.3 pracującego według charakterystyk obciążeniowych. Przedstawiono podstawowe wskaźniki pracy badanego tłokowego silnika spalinowego, takie jak: moc efektywna, moment obrotowy, godzinowe i jednostkowe zuż[...]
EN The paper presents results of investigations and the assessment of multi-stage fuel injection in MultiJet 1.3 engine operating under load conditions. Basic work parameters of the examined internal combustion engine, such as: effective power, torque, hour and unit fuel consumption and the concentrati[...]
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Silniki Spalinowe
EN The Institute of Internal Combustion Engines developed a concept and a system of fuelling CI engines with an improved mechanism of spraying. According to the concept, fuel spraying is facilitated by gas (exhaust gas or air) dissolved in diesel fuel. The effervescence effect th[...]
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