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    Wyświetlanie 1-4 z 4
    Tytuł:
    Ocena wpływu dodatku biowęglowodorów w paliwie na wybrane parametry procesu spalania w silniku o zapłonie samoczynnym
    Estimation of combustion process parameters in a diesel engine supplied with a mixture of gas oil and synthetic fuels
    Autorzy:
    Lotko, Wincenty
    Łodygowski, Kamil
    Powiązania:
    https://bibliotekanauki.pl/articles/316946.pdf
    Data publikacji:
    2019
    Wydawca:
    Instytut Naukowo-Wydawniczy "SPATIUM"
    Tematy:
    paliwa alternatywne
    paliwa syntetyczne
    silnik ZS
    alternative fuels
    synthetic fuels
    diesel engine
    Opis:
    W artykule omówiony został wpływ dodatku biowęglowodorów na wybrane parametry spalania silnika o zapłonie samoczynnym. Badania wykazały, że syntetyczny olej napędowy może być wykorzystywany jako dodatek do mineralnego oleju napędowego. Proces spalania takich mieszanin zależy od ich składu. Użycie SYNON prowadzi do zwiększenia prędkości narastania ciśnienia w komorze spalania.
    The paper presents test results carried out with using of CI engine fuelled with diesel oil and synthetic fuels. Research results show that SYNON be used in diesel fuel. Combustion proces of such fuel blends depend on mixture composition. Using of SYNON in mixture with diesel oil follows to increase a value of maximium pressure rise in cumbustion chamber.
    Źródło:
    Autobusy : technika, eksploatacja, systemy transportowe; 2019, 20, 1-2; 309-312
    1509-5878
    2450-7725
    Pojawia się w:
    Autobusy : technika, eksploatacja, systemy transportowe
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Unrepeatability of the Fuel Injection and Combustion Processes in the Diesel Engine Fuelled with Renewable Fuel
    Autorzy:
    Lotko, Wincenty
    Powiązania:
    https://bibliotekanauki.pl/articles/102694.pdf
    Data publikacji:
    2020
    Wydawca:
    Stowarzyszenie Inżynierów i Techników Mechaników Polskich
    Tematy:
    diesel engine
    common rail
    fuel injection
    unrepeatability
    alternative fuels
    silnik wysokoprężny
    wtrysk paliwa
    niepowtarzalność
    paliwa alternatywne
    Opis:
    Despite the fact that more than a hundred years have passed since the first design of the compression ignition (CI) engine appeared, its optimal design has not yet been achieved. It is still the subject of constant modernisation in order to meet the new expectations of users in terms of its dynamics, economy, and, in recent months, also ecology. The most effective fulfillment of these requirements is achieved through new solutions of the fuel supply system and electronic control of injection and combustion processes. The publication includes the test results obtained on the basis of two engines. One of them is the single-cylinder CI engine AVL5402, and the other one – a threecylinder CI engine AD3.152. The first one is equipped with the Common Rail fuel supply system, electronically controlled with the selenoid injector. The second engine has a CAV distributor fuel injection pump and traditional, mechanical controlled injectors. The paper demonstrates how these two different structural systems for supplying and controlling engine parameters affect the selected indicators of the injection and combustion process. The influence of diesel fuel (DF) and rapeseed oil (RO) feeding the engine in both different injection and control systems on the unrepeatibility of the injection pressure on the maximum combustion pressures in the engine cylinder and, consequently, non-uniformity of the crankshaft rotational movement of the engine were also pointed out. The continuation of the research in this area seems to be expedient. They can be supplemented with statistical models of these phenomena. The results obtained in this way could be helpful in optimising the design of power supply systems and engine combustion chambers.
    Źródło:
    Advances in Science and Technology. Research Journal; 2020, 14, 4; 68-77
    2299-8624
    Pojawia się w:
    Advances in Science and Technology. Research Journal
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Self-Ignition Delay and Control Parameters of Diesel Engines for Different Vehicle Feeding Systems and Different Fuels
    Autorzy:
    Lotko, Wincenty
    Powiązania:
    https://bibliotekanauki.pl/articles/2024151.pdf
    Data publikacji:
    2021
    Wydawca:
    Stowarzyszenie Inżynierów i Techników Mechaników Polskich
    Tematy:
    self-ignition delay
    combustion process
    fuel injection process
    diesel engine
    renewable fuels
    opóźnienie samozapłonu
    proces spalania
    proces wtrysku paliwa
    silnik wysokoprężny
    paliwa odnawialne
    Opis:
    The phenomena accompanying the self-ignition period have been the subject of extensive research in this area. They are usually carried out in constant volume pressure chambers or in reactors with constant air flow. Such tests are considered to be basic. The conditions in these tests are definitely different from those in compression ignition engines. Therefore, the comparison of the auto-ignition delay periods from test setups to those obtained from real engines raises a number of doubts. Because the self-ignition delay period determines the combustion process, a theoretical analysis was conducted, pertaining to a number of factors that have an impact on this process which determines the operational aspects of the engine, and thus its economics and ecology. The research object was a single-cylinder engine from AVL LIST GmbH in Graz, Austria. The engine is equipped with a Common Rail injection system. The test setup meets the following standards: Directive 1999/96/EC of the European Parliament and the Council of 13th December 1999, Regulation (EC) No 715/2007 of the European Parliament and the Council of 20th June 2007, as well as Commission Regulation (EC) No 692 /2008 of 18th July 2008. The analysis of the operational aspects of the self-ignition delay period was based on the results of tests on the AVL 5402 engine fueled with hydrocarbon fuels: diesel and synthetic oil. The engine was also fed with vegetable fuel – rapeseed oil. The obtained material from the tests warns the user of CI engines against the effects of their failure if the engine control parameters and the quality of fuel for its supply are not maintained as recommended by the manufacturers. The material contained in the publication is used for scientific analysis, and, which is worth emphasizing, is of a utilitarian nature.
    Źródło:
    Advances in Science and Technology. Research Journal; 2021, 15, 1; 245-254
    2299-8624
    Pojawia się w:
    Advances in Science and Technology. Research Journal
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Computer-aided diagnostics of injection and combustion processes in engines equipped with Common Rail fuel injection
    Autorzy:
    Lotko, Wincenty
    Powiązania:
    https://bibliotekanauki.pl/articles/2146748.pdf
    Data publikacji:
    2022
    Wydawca:
    Polska Akademia Nauk. Polskie Towarzystwo Diagnostyki Technicznej PAN
    Tematy:
    Diesel engine
    alternative fuels
    quick-changing parameters
    injection process
    combustion process
    uniqueness of injection
    uniqueness of combustion process
    diagnostic process
    silnik Diesla
    paliwa alternatywne
    proces wtrysku
    proces spalania
    niepowtarzalność procesu spalania
    diagnostyka
    Opis:
    In earlier designs, the compression-ignition engine units were controlled by means of mechanical elements. They were levers, rods, springs, pawls, cams and others. The quality of such control did not ensure the required repeatability of control parameters in the fuel injection and combustion process. After the introduction of the standards limiting engine emissions of the limited exhaust components, the aforementioned engine control systems were not able to meet the requirements. The mechanical regulation of mechanical systems has been replaced by electronic control systems. It was the development of computer techniques and software that enabled design solutions of control systems for injection and combustion process parameters in engines with sufficient accuracy and repeatability of test results. The modern EDC (Electronic Diesel Control) control system, due to the computing power of microprocessors increased in recent years, enables meeting high requirements of modern Common Rail injection systems. The article presents issues in the area of four thematic levels: the design and modernization of the engine, its operation, diagnostic problems in order to determine reasons of unit failures and bench-top methods for assessing the effectiveness of unit repairs as well as issues concerning alternative fuels.
    Źródło:
    Diagnostyka; 2022, 23, 4; art. no. 2022407
    1641-6414
    2449-5220
    Pojawia się w:
    Diagnostyka
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-4 z 4

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