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    Wyświetlanie 1-3 z 3
    Tytuł:
    Coolant pump for compression-ignition aircraft engine
    Autorzy:
    Gęca, Michał Jan
    Pietrykowski, Konrad
    Barański, Grzegorz
    Powiązania:
    https://bibliotekanauki.pl/articles/133232.pdf
    Data publikacji:
    2019
    Wydawca:
    Polskie Towarzystwo Naukowe Silników Spalinowych
    Tematy:
    diesel engine
    opposed-piston engine
    aircraft propulsion system
    cooling system
    water pump
    silnik wysokoprężny
    silnik o tłokach przeciwbieżnych
    układ napędowy samolotu
    układ chłodzenia
    pompa wody
    Opis:
    The article presents an analysis of the design of cooling liquid pumps for a compression-ignition aircraft engine. A 100 kW twin-charged, two-stroke, liquid-cooled engine has 3 cylinders and 6 opposed-pistons. In the first part of the study, the amount of heat needed to be removed by the cooling system was estimated to obtain the required volumetric flow rate. Then, the design of automotive cooling liquid pumps for compression-ignition engines with a Common Rail power supply system and power of about 100 kW was analyzed. The aim of the analysis was to select a suitable pump for applications in the aircraft compression-ignition engine. 5 constructions of different shape, diameter and width of the working rotor were selected. The pressure and volume flow rate were determined for a given rotational speed of the pump on a specially built stand. The operation maps of individual pumps were created to select the most efficient types of pumps.
    Źródło:
    Combustion Engines; 2019, 58, 4; 52-57
    2300-9896
    2658-1442
    Pojawia się w:
    Combustion Engines
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Measuring Regenerative Braking Electricity Generated by the City Bus with Internal Combustion Engine
    Autorzy:
    Wendeker, Mirosław
    Gęca, Michał Jan
    Grabowski, Łukasz
    Barański, Grzegorz
    Powiązania:
    https://bibliotekanauki.pl/articles/2123295.pdf
    Data publikacji:
    2021
    Wydawca:
    Stowarzyszenie Inżynierów i Techników Mechaników Polskich
    Tematy:
    energy recovery
    electricity consumption
    city bus
    Opis:
    Engine braking, just when the vehicle consumes no fuel, is an important component of the energy balance. In such states, the bus loses its cumulated kinetic and potential energies but alternators recover a portion of these energies into electricity. Simultaneously, electricity consumption in the diesel-engine city bus is a key component of the overall energy balance. A total energy output of receivers can be more than 4 kW. This paper presents the research results on performance of a serial bus driving varied urban routes. The recorded and investigated parameters include a total amount fuel and electricity consumed and an amount of electricity generated. Engine braking states were calculated with a created algorithm. On average, 17% of electricity was generated by bus engine braking. The research results and investigation refer to the entire year.
    Źródło:
    Advances in Science and Technology. Research Journal; 2021, 15, 3; 215--223
    2299-8624
    Pojawia się w:
    Advances in Science and Technology. Research Journal
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Analyzing mechanical vibrations of an aircraft opposed piston engine
    Autorzy:
    Biały, Michał
    Grabowski, Łukasz
    Skórzyński, Bartłomiej
    Barański, Grzegorz
    Majczak, Adam
    Powiązania:
    https://bibliotekanauki.pl/articles/2097574.pdf
    Data publikacji:
    2021
    Wydawca:
    Polskie Towarzystwo Naukowe Silników Spalinowych
    Tematy:
    DIAdem
    mechanical vibrations
    opposed pistons
    PZL-100
    vibroacoustics
    drgania mechaniczne
    tłoki przeciwstawne
    wibroakustyka
    Opis:
    The paper presents the results of the bench tests to measure mechanical vibrations of a new aircraft opposed piston engine with reciprocating pistons. The PLZ-100 engine is a three-cylinder, six-piston, two-shaft drive unit with a two-stroke diesel cycle. This type of engine is dedicated for powering light aircraft, e.g. autogyros. The tests were carried out on a test bench at the Lublin University of Technology. The engine was loaded with constant torque, for several fixed values of rotational speed of a crankshaft. The angle of the start of diesel injection was changed for each of the rotational speeds. The mechanical vibrations that accompanied the operation of this drive unit were recorded with three measurement transducers and a National Instruments conditioning system. Each of the transducers was mounted on a different axis of the engine. The signals were analyzed from their diagrams with the DIAdem software. The results were the diagrams of effective speed and vibration acceleration to conduct a vibration-acoustic evaluation of the PLZ-100, detect and prevent various types of defects or failures.
    Źródło:
    Combustion Engines; 2021, 60, 4; 3--7
    2300-9896
    2658-1442
    Pojawia się w:
    Combustion Engines
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-3 z 3

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