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    Wyświetlanie 1-4 z 4
    Tytuł:
    Modelling of Dynamic Interactions in the Fuel Rail for the Aircraft Diesel Engine
    Autorzy:
    Sochaczewski, Rafał
    Magryta, Paweł
    Powiązania:
    https://bibliotekanauki.pl/articles/103039.pdf
    Data publikacji:
    2020
    Wydawca:
    Stowarzyszenie Inżynierów i Techników Mechaników Polskich
    Tematy:
    diesel engine
    two-stroke
    common rail
    modeling
    silnik wysokoprężny
    dwusuwowy
    modelowanie
    Opis:
    The paper reports a computer model for simulating dynamic responses in fuel rail of aircraft diesel engine. The fuel system was designed for use in a two-stroke compression-ignition engine with opposite pistons. The methodology of building a fuel system model in the AVL Hydsim program and the results of simulation studies were presented. Determination of dynamic phenomena in the fuel rail required the construction of a model of the entire supply system. It is a common rail system with a three-section positive displacement pump and electromagnetic fuel injectors. The system is also equipped with a PID regulator to maintain the present pressure in the fuel rail. For the purposes of the research, two structures of the fuel rail were developed. They differ in dimensions, spacing of the outlet ports and location of the high-pressure connection. The research allowed determining the interactions between the geometry of the fuel rail and the supply method with the fuel pressure and injector mass flow rate. This will optimise the design of the fuel rail for the three-cylinder engine power supply system.
    Źródło:
    Advances in Science and Technology. Research Journal; 2020, 14, 4; 168-176
    2299-8624
    Pojawia się w:
    Advances in Science and Technology. Research Journal
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Experimental research of two stroke aircraft diesel engine
    Autorzy:
    Grabowski, Łukasz
    Karpiński, Paweł
    Barański, Grzegorz
    Powiązania:
    https://bibliotekanauki.pl/articles/133420.pdf
    Data publikacji:
    2019
    Wydawca:
    Polskie Towarzystwo Naukowe Silników Spalinowych
    Tematy:
    diesel engine
    indicated pressure
    opposed-piston
    two-stroke
    silnik wysokoprężny
    ciśnienie indykowane
    tłok przeciwbieżny
    silnik dwusuwowy
    Opis:
    This paper presents the results of experimental studies of the opposed-piston diesel engine. This engine was designed during one of the stages of the research on a new-type drive unit for gyrocopter applications. In order to conduct research, a special test stand as well as control and measurement systems were developed. As part of the work on the engine, the fuel injection system, engine temperature control system and measurement systems were designed. In addition, a computer program has been developed for the fuel injection system control (injectors, valves fuel pressure regulators). The paper presents the results of the preliminary tests for a single value of engine speed (1500 rpm) and three values of load defined by torque. The measured value of the indicated pressure made it possible to calculate the maximum pressure. The results obtained from the bench tests were analyzed.
    Źródło:
    Combustion Engines; 2019, 58, 4; 75-79
    2300-9896
    2658-1442
    Pojawia się w:
    Combustion Engines
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Simulation Research of the Influence of Compression Ratio on the Performance of an Aircraft Piston Diesel Engine
    Autorzy:
    Grabowski, Łukasz
    Karpiński, Paweł
    Magryta, Paweł
    Powiązania:
    https://bibliotekanauki.pl/articles/102502.pdf
    Data publikacji:
    2020
    Wydawca:
    Stowarzyszenie Inżynierów i Techników Mechaników Polskich
    Tematy:
    aircraf
    compression ratio
    diesel engine
    opposed-piston
    two-stroke
    samolot
    stopień sprężania
    silnik wysokoprężny
    tłok przeciwbieżny
    dwusuwowy
    Opis:
    In recent years, the opposed-piston engines have become increasingly popular in the automotive and aerospace industries. Therefore, it is necessary to conduct the research on this type of drive. The paper presents the simulation research of a two-stroke opposed-piston diesel engine designed for propulsion of light aircrafts. The influence of the change of the compression ratio on the selected engine performance was investigated (indicated mean effective pressure, peak firing temperature and pressure, specific fuel consumption, power consumed by the compressor). The AVL BOOST software was used to perform the simulation tests. A zero-dimensional engine model equipped with a mechanical compressor was developed. On the basis of the created model, a series of calculations was performed for the assumed values of the compression ratio for four engine operating points: take-off power, maximum continuous power and cruising power at two different altitudes. The obtained results were subjected to a comparative analysis and the most important conclusions connected with the influence of the change in the compression ratio on the achieved performance were presented.
    Źródło:
    Advances in Science and Technology. Research Journal; 2020, 14, 3; 175-181
    2299-8624
    Pojawia się w:
    Advances in Science and Technology. Research Journal
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Analysis of the applicability of a common rail pump for an aircraft engine
    Autorzy:
    Sochaczewski, Rafał
    Szlachetka, Marcin
    Wendeker, Mirosław
    Karpiński, Paweł
    Powiązania:
    https://bibliotekanauki.pl/articles/133099.pdf
    Data publikacji:
    2019
    Wydawca:
    Polskie Towarzystwo Naukowe Silników Spalinowych
    Tematy:
    diesel engine
    two-stroke
    opposing piston
    fuel pump
    common rail
    silnik wysokoprężny
    dwusuw
    tłok przeciwbieżny
    pompa paliwa
    Opis:
    The paper presents an analysis of the possibility of using a common rail pump to supply an aircraft compression-ignition engine. It is an engine with a two-stroke cycle, three cylinders, opposing pistons and 100 kW power. Its each combustion chamber is supply by one or two injectors controlled by electromagnetic valves. In order to assess the possibility of using a common rail pump, four high-pressure pumps were tested on a bench. They are piston pumps differing in the number and geometry of their pumping sections. The analysis included the pumping output, the torque on the pump drive shaft and the power needed to drive the pump. The weight and overall dimensions of the pump were also considered, including the arrangement of the pumping sections and the way the drive is transmitted. The research allowed to optimize the engine power supply system depending on fuel demand and the way the pump is mounted on the engine.
    Źródło:
    Combustion Engines; 2019, 58, 4; 192-197
    2300-9896
    2658-1442
    Pojawia się w:
    Combustion Engines
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-4 z 4

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