Piston assembly in the most powerful 2.0l diesel engine – case study of the current tribological system and innovative concepts for the future
 
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1
Faculty of Machines and Transport at Poznan University of Technology.
2
Faculty of Mechanical Engineering and Management at Poznan University of Technology.
Publication date: 2017-11-01
 
Combustion Engines 2017,171(4), 127–133
 
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ABSTRACT
This article is a contribution to the ongoing debate on the scenario of the vehicle powertrains development. The directions of the internal combustion engines development in search of the possibility of effective economic and ecological indicators improvement have been indicated. It has been pointed out that this goal can be achieved through the use of nanotechnology in order to exceed the downsizing barriers resulting from the permissible mechanical loads for conventional materials. The article presents the study of the construction and materials used in the piston assembly of the most advanced four-cylinder, compression-ignition diesel engine currently in manufacture. Original concepts of nanotechnology have been proposed to reduce friction losses in major friction components of future engines with extremely high loads. The main idea is to verify the hypothesis that the sub-micron surface texture of the friction components obtained in the process of applying anti-wear outer layers can lead to an effective reduction of friction losses under real engine operating conditions. Computer simulations of the effects of introducing the surface texture in the upper sealing ring on friction loss confirm this hypothesis by showing friction value being reduced by 3-4% relative to the standard ring profile. In the summary, further advanced technologies designed to effectively utilize the unique properties of carbon nanotubes have been described.
 
REFERENCES (22)
1.
BABERG, A., FREIDHAGER, M., MERGLER, H., SCHMIDT, K. Aspekte der Kolbenmaterialwahl bei Dieselmotoren. MTZ. 2012, 12.
 
2.
BACKHAUS, R. Kolben aus Stahl für Pkw-Dieselmotoren. MTZ. 2009, 12.
 
3.
BLÜMM, M. et al. Innovative Schaftbeschichtungen für Otto- und Dieselmotorkolben. MTZ. 2016, 2.
 
4.
BUSCHBECK, R. et al. Innovative Kolbensystemlösungen für Verbrennungsmotoren. MTZ extra.
 
5.
DEUSS, T., EHNIS, H., BASSET, M., BISORDI, A. Reibleistungsmessungen am Befeuerten Dieselmotor – Zyklusrelevante CO2-Ersparnis. MTZ. 2011, 12.
 
6.
DEUSS, T., EHNIS, H., FREIER, R., KÜNZEL, R. Reibleistungsmessungen am Befeuerten Dieselmotor – Potenziale der Kolbengruppe. MTZ, 2010, 5.
 
7.
DEUSS, T., EHNIS, H., ROSE, R., KÜNZEL, R. Reibleistungsmessungen am Befeuerten Dieselmotor – Einfluss von Kolbenschaftbeschichtungen. MTZ. 2011, 4.
 
8.
EICHLER F. et al. The New 2.0l 4-Cylinder BiTurbo TDI® Engine from Volkswagen. 23. Aachener Kolloquium Fahrzeug- und Motorentechnik, 23th Aachen Colloquium Automobile and Engine Technology, Aachen, DE, 6.-8. Okt, 2014.
 
9.
GOLLOCH, R. Downsizing bei Verbrennungsmotoren; Ein wirkungsvolles Konzept zur Kraftstoffverbrauchssenkung. Springer-Verlag, Berlin-Heidelberg, 2005.
 
10.
GROPPER, D., WANG, L., HARVEY, T.J. Hydrodynamic lubrication of textured surfaces: A review of modeling techniques and key findings. Journal of Engineering Tribology.
 
11.
KAŁUŻNY, J., MERKISZ, J., GALLAS, D. et al. An innovative system for piston engine combustion with laserinduced ignition of the hydrocarbon fuel consisting carbon nanotubes. Combustion Engines. 2017, 168(1), 3-14.
 
12.
KAŁUŻNY, J. Eksperymentalne zastosowania nanorurek węglowych w konstrukcji tłokowego silnika spalinowego. Wydawnictwo Politechniki Poznańskiej. 2013.
 
13.
KAŁUŻNY, J., MERKISZ-GURANOWSKA, A., GIERSIG, M., KEMPA, K. Lubricating performance of carbon nanotubes in internal combustion engines – engine test results for cnt enriched oil. IJAT. 2017.
 
14.
MERKISZ, J., PIELECHA, J., BIELACZYC, P., WOODBURN, J. Analysis of emission factors in RDE tests as well as in NEDC and WLTC chassis dynamometer tests. SAE Technical Paper. 2016, 2016-01-0980.
 
15.
MERKISZ, J., PIELECHA, J. Selected experiences in RDE in Polish reality for different combustion engine applications. 4rd International Conference “Real Driving Emissions”, Berlin 25-27.10.2016.
 
16.
MERKISZ, J., PIELECHA, J. Selected remarks about RDE test. Combustion Engines. 2016, 166(3), 54-61.
 
17.
NOORDUIN W.L. et al. Rationally designed complex, hierarchical microarchitectures. Science. 2013, 5.
 
18.
OTTLICZKY, E., VOIGT, M., WEIMAR, H.J., WEISS, E. Stahlkolben für PKW-Dieselmotoren. MTZ. 2011, 10.
 
19.
PROFITO, F.J., ZACHARIADIS, D.C., TOMANIK, E. One dimensional mixed lubrication regime model for textured piston rings. Proceedings of COBEM. 2011.
 
20.
RAMACHANDRAN, S., STIMMING, U. Well to wheel analysis of low carbon alternatives for road traffic. Energy & Environmental Science. 2015, 8, 3313-3324.
 
21.
USMAN, A., PARK, C.W. Modeling and simulation of frictional energy loss in mixed lubrication of a textured piston compression ring during warm-up of spark ignition engine. International Journal of Engine Research. 2017, 18(4), 293-307.
 
22.
REN, Z. et al. Hierarchically nanostructured materials for sustainable environmental applications. Frontiers in Chemistry. 2013, 1(18), 1-22.
 
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