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    Wyświetlanie 1-6 z 6
    Tytuł:
    Simplification of the procedure for testing common rail fuel injectors
    Autorzy:
    Stoeck, Tomasz
    Powiązania:
    https://bibliotekanauki.pl/articles/2097452.pdf
    Data publikacji:
    2020
    Wydawca:
    Polskie Towarzystwo Naukowe Silników Spalinowych
    Tematy:
    Common Rail injectors
    fuel doses characteristic curve
    simplification of test procedures
    wtryskiwacze Common Rail
    krzywa podawania paliwa
    uproszczenie procedur badawczych
    Opis:
    The paper presents a simplified methodology for generating the characteristic curve of fuel doses for common rail injectors, which consists in limiting the number of measurements on the test bench and calculating missing data using predefined (array) functions of the Microsoft Excel spreadsheet. This allows checking the method of fuel delivery in a wide spectrum of predefined pressures and atomiser opening times, while reducing the arduousness and time-consumption of the active experiment phase. The proposed solution is particularly useful in problematic situations when standard manufacturer's tests, referred only to selected work points, make it impossible to clearly assess the technical condition of the injector.
    Źródło:
    Combustion Engines; 2020, 59, 1; 52--56
    2300-9896
    2658-1442
    Pojawia się w:
    Combustion Engines
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Application of the experimental design technique in fuel dose adjustment of common rail injector
    Autorzy:
    Stoeck, Tomasz
    Powiązania:
    https://bibliotekanauki.pl/articles/133869.pdf
    Data publikacji:
    2019
    Wydawca:
    Polskie Towarzystwo Naukowe Silników Spalinowych
    Tematy:
    common rail injectors
    design of experiment technique
    fuel dose adjustment
    idling
    wtryskiwacze Common Rail
    projektowanie eksperymentu
    dostosowanie dawki paliwa
    bieg jałowy
    Opis:
    The article presents a simplified methodology for testing Denso common rail electromagnetic injectors, which was based on an adjustment of idling fuel dosage. In order to determine the parameters significantly affecting this process, the design of experiments technique (DoE) was applied. Due to the non-linear course of the rates characteristics obtained on the diagnostic test bench, the trivalent fractional plan was used. Analysis of computational data has shown that the generated parabolic model is well suited to the actual measurement results, as the injector dosage is slightly out of projected values. The calculations were carried out in the STATISTICA computer program, which takes into account the specificity of the experimental theory methods and is one of the most universal tools available on the market. Innovation is the effective implementation of the proposed methodology in the repair process, which has not been taken into account in this regard yet.
    Źródło:
    Combustion Engines; 2019, 58, 4; 210-215
    2300-9896
    2658-1442
    Pojawia się w:
    Combustion Engines
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Repair methodology of a piezoelectric injector utilizing components obtained from selective decomposition
    Autorzy:
    Stoeck, Tomasz
    Powiązania:
    https://bibliotekanauki.pl/articles/24202470.pdf
    Data publikacji:
    2023
    Wydawca:
    Polskie Towarzystwo Naukowe Silników Spalinowych
    Tematy:
    Common Rail system
    piezoelectric fuel injectors
    selective decomposition
    regeneration process
    układ Common Rail
    wtryskiwacze piezoelektryczne
    rozkład selektywny
    proces regeneracji
    Opis:
    The paper presents an example of regeneration of a common rail piezoelectric fuel injector, which was carried out with using used parts. The most important stages of maintenance activities are listed, as well as the types of diagnostic tests performed on separate test benches. The obtained results indicate that this process can be effectively carried out with existing technological problems and lack of support from the manufacturer. At the same time, it was shown that, contrary to popular belief, cannibalisation does not have to be limited only to minor elements, but also to key components important from the point of view of the satisfactory technical condition and correct working of the fuel injector during further operation.
    Źródło:
    Combustion Engines; 2023, 62, 3; 63--67
    2300-9896
    2658-1442
    Pojawia się w:
    Combustion Engines
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Methodology of testing common rail fuel injectors with the use of Gauss’s formulas
    Autorzy:
    Stoeck, Tomasz
    Powiązania:
    https://bibliotekanauki.pl/articles/2097494.pdf
    Data publikacji:
    2021
    Wydawca:
    Polskie Towarzystwo Naukowe Silników Spalinowych
    Tematy:
    Common Rail fuel injector
    extension of diagnostic procedures
    Gauss’s formulas
    resulting fuel delivery fields
    wtryskiwacze Common Rail
    poszerzenie procedur diagnostycznych
    formuły Gaussa
    pola wynikowe dawkowanego paliwa
    Opis:
    The paper presents the methodology of testing common rail fuel injectors, which consisted in extending the standard diagnostic procedures with the analysis of the resulting fuel delivery fields. The calculations were carried out in a popular spreadsheet, using Gauss's formulas (the so-called shoelace formula). In this way, the necessity to modify the test bench software was eliminated, as the analytical process took place after the end of the active experiment phase. It has been shown that the proposed solution should be particularly useful in problematic situations where clear-cut verification and assessment of the technical condition of the fuel injectors is sometimes difficult, as shown in the example. In addition, implementation in a digital environment allows the presented algorithms to be reused in research with a similar profile.
    Źródło:
    Combustion Engines; 2021, 60, 1; 11--15
    2300-9896
    2658-1442
    Pojawia się w:
    Combustion Engines
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Method for testing modern common rail piezoelectric fuel injectors
    Autorzy:
    Stoeck, Tomasz
    Powiązania:
    https://bibliotekanauki.pl/articles/2097538.pdf
    Data publikacji:
    2021
    Wydawca:
    Polskie Towarzystwo Naukowe Silników Spalinowych
    Tematy:
    Common Rail system
    piezoelectric fuel injectors
    diagnostic tests
    regeneration process
    Common Rail
    wtryskiwacze piezoelektryczne
    badania diagnostyczne
    proces regeneracji
    Opis:
    The paper presents the author's own method for testing piezoelectric common rail fuel injectors, which for many years were considered non-repairable components. This was mainly due to the lack of availability of spare parts and dedicated measuring equipment, enabling full diagnostics under test bench conditions. As a result, their workshop and laboratory servicing was very limited, as effective disassembly concerned basically only the plunger and barrel assembly (needle with nozzle) for selected reference models. The situation has now improved to such an extent that an author’s own regeneration procedure has been proposed with the replacement of the most important controls and actuators. The tests were carried out on the example of Siemens VDO Continental PCR 2.3 fuel injectors from one engine, listing the most important stages of this process, including the correction of fuel dosage and returns.
    Źródło:
    Combustion Engines; 2021, 60, 3; 31--36
    2300-9896
    2658-1442
    Pojawia się w:
    Combustion Engines
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Problems of regeneration of modern piezoelectric fuel injectors
    Autorzy:
    Stoeck, Tomasz
    Powiązania:
    https://bibliotekanauki.pl/articles/2202523.pdf
    Data publikacji:
    2022
    Wydawca:
    Polskie Towarzystwo Naukowe Silników Spalinowych
    Tematy:
    Common Rail system
    piezoelectric fuel injectors
    diagnostic tests
    regeneration process
    układ Common Rail
    wtryskiwacze piezoelektryczne
    badania diagnostyczne
    proces regeneracji
    Opis:
    The paper presents a method of testing piezoelectric fuel injectors in modern common rail systems, which allows them to be repaired almost to the full extent. The obtained results indicate that this process can be effectively carried out, even taking into account the existing technological limitations. The most important stages of the implemented activities are specified, first of all the scope of required maintenance activities in the pre- and post-assembly stages, as well as the types of diagnostic tests carried out on separate test benches. Although the presented analysis concerns a specific example, individual conclusions and observations can be applied to fuel injectors from other manufacturers, in which the actuator is not replaceable.
    Źródło:
    Combustion Engines; 2022, 61, 4; 3--8
    2300-9896
    2658-1442
    Pojawia się w:
    Combustion Engines
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-6 z 6

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