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Abstrakty
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.
Wydawca
Rocznik
Tom
Strony
68--77
Opis fizyczny
Bibliogr. 17 poz., fig., tab.
Twórcy
autor
- Faculty of Mechanical Engineering, Kazimierz Pulaski University of Technology and Humanities in Radom, Poland
Bibliografia
- 1. Bielaczyc P., Woodburn J. Trends in Automotive Emission Legislation: Impact on LD Engine Development, Fuels, Lubricants and Test Methods: a Global View, with a Focus on WLTP and RDE Regulations. Emission Control Science and Technology, 5, 2019, 86–98.
- 2. Bielaczyc P., Woodburn J., Gandyk M. Trends in automotive emissions, fuels, lubricants, legislation and test methods – a global view, with a focus on the EU and US – summary of the 5th International Exhaust Emissions Symposium (IEES). Combustion Engine. 166(3), 2016, 78–82.
- 3. Bai F., Zhang Z., Du Y., Zhang F., Peng Z. Effects of Injection Rate Profile on Combustion Process and Emissions in a Diesel Engine. Journal of Combustion. 2017, 1–8.
- 4. Suh H.K. Study on the twin-pilot-injection strategies for thereduction in the exhaust emissions in a low-compression-ratioengine. Journal of Automobile Engineering. 228, 3, 335–343.
- 5. Lotko W., Górski K., Longwic R. Nieustalone stany pracy silnika wysokoprężnego zasilanego olejem napędowym z eterem-etylo tert butylowym. Wydawnictwo Komunikacji i Łączności, 2010.
- 6. Schmillen K., Wolschendorf J. Cycle – to – Cyle Variations of Combustion Noise in Diesel Engines. SAE Transactions. 98(3), 1989, 60–70.
- 7. Wajand J.A. Wtrysk paliwa-czasowa i geometryczna niepowtarzalność przebiegu. Automotive Technology. 2, 1981.
- 8. Wajand J.T., Wajand J.A. Tłokowe silniki spalinowe. Wydawnictwo Naukowo Techniczne, 1993.
- 9. Heywood J.B. Internal Combustion Engine Fundamentals. New York, Mc Graw Hil, 2018.
- 10. Górski K., Smigins R. Selected physicochemical properties of diethyl ether/rapeseed oil blends and their impact on diesel engine smoke opacity. Energy Fuels. 32(2), 2018, 1796–1803.
- 11. Górski K., Przedlacki M. Evolution of the influence of Diethy Ether (DEE) addition on selected physicochemical properties of diesel oil and ignition delay period. Energy and Fuels. 28(4), 2014, 2608–2616.
- 12. Tutak W., Jamrozik A., Pyrc M., Sobiepański M. A comparative study of co-combustion process of diesel-ethanol and biodiesel-ethanol blends in the direct injection diesel engine. Applied Thermal Engineering. 117, 2017, 155–163.
- 13.Longwic R., Lotko W. Analiza wpływu sztywności sprężyn zaworów tłoczących pompy wtryskowej na wybrane parametry procesu spalania w silniku o zapłonie samoczynny. Archiwum Motoryzacji. 1, 2001.
- 14. Górski K. Experimental Investigation of Diesel Engine Powered with Fuel Microemulsion. Advances in Science and Technology Research Journal. 14(2), 2020, 41–48.
- 15. Kowalewicz A. Systemy spalania szybkoobrotowych tłokowych silników soalinowych. Wydawnictwo Komunikacji i Łączności, 1990.
- 16. Kowalewicz A. Fundamentals of combustion processes. Wydawnictwo Naukowo Techniczne, 2000.
- 17. Sen A.K., Rafal Longwic R., Litak G., Górski K. Analysis of cycle-to-cycle pressure oscillations in a diesel engine. Mechanical Systems and Signal Processing. 22, 2008, 362–373.
Uwagi
Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2020).
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-95b03b86-a9fc-4e8a-accc-3194fa6d311e