Numeric modelling of fumes flow in exhaust manifold of the combustion engine

• Autorzy: Andrych M. , Sitnik L.J. , Tkaczyk M. , Walkowiak W.

Identyfikatory

DOI

10.5604/12314005.1130419

• Języki publikacji: EN

Abstrakty

EN

In the paper there is presented the methodology of researches as well as the numeric researches results, which aim is the analysis of fumes flow parameters in the exhaust manifold in the diesel engine, particularly the velocity, the temperatures and the turbulence of gas. It has been presented that the research methodology depending on three dimensional model of air flow in the outlet systems with the application of standard numeric methods based on the principles of conservation of: mass, energy and momentum can be the way of researches. The model may be to be the basis for performing changes in geometry of outlet system concerning minimizing the flow losses and shaping the field of velocity. The model enables of calculations of outlet system of internal combustion engines on the stage of its construction. Results show that the numerical simulations methods are one of the possible to use for achievements of investigations low costs, especially that the hardware engine parts must be not prepared. Inter alia, complete model of exhaust manifold, model of fluid volume fitting in the manifold with the numbers of ducting, the grid with applied edge conditions, linear outline of static pressure on the walls of exhaust manifold, total pressure, tension, distribution of total temperature, distribution of fluid velocity on the walls, turbulence intensity are presented in the paper.

Słowa kluczowe

EN

combustion engine; exhaust manifold; fumes flow; numeric modelling

• Wydawca: Łukasiewicz Research Network - Institute of Aviation ; European Science Society of Powertrain and Transport KONES Poland ; Wydawnictwo Instytutu Technicznego Wojsk Lotniczych
• Czasopismo: Journal of KONES
• Rocznik: 2014
• Tom: Vol. 21, No. 4
• Strony: 9--14
• Opis fizyczny: Bibliogr. 9 poz., rys.

Twórcy

autor

Andrych M.

• Wroclaw University of Technology Department of Vehicle Engineering Wybrzeże Wyspiańskiego Street 27, 50-370 Wroclaw, Poland tel.: [phone], fax: [phone]

autor

Sitnik L.J.

• Wroclaw University of Technology Department of Vehicle Engineering Wybrzeże Wyspiańskiego Street 27, 50-370 Wroclaw, Poland tel.: [phone], fax: [phone]

autor

Tkaczyk M.

• Wroclaw University of Technology Department of Vehicle Engineering Wybrzeże Wyspiańskiego Street 27, 50-370 Wroclaw, Poland tel.: [phone], fax: [phone]

autor

Walkowiak W.

• Wroclaw University of Technology Department of Vehicle Engineering Wybrzeże Wyspiańskiego Street 27, 50-370 Wroclaw, Poland tel.: [phone], fax: [phone]

Bibliografia

• [1] Fluent Inc., Fluent 6.1 User`s Guide, 2003.
• [2] Jankowski, A., Some aspects of heterogeneous processes of the combustion including two phases, Journal of KONES, Vol. 12, No. 1-2, pp. 121-134, 2005.
• [3] Jankowski, A., Chosen Problems of Combustion Processes of Advanced Combustion Engine,Journal of KONES Powertrain and Transport, Vol. 20, No. 3 2013, pp. 203-208, 2013.
• [4] Jankowski, A., Study of the influence of pressure, speed and type of gas stream on the combustion process, Scientific Papers of the Air Force Institute of Technology, Issue 28, (in Polish) Warsaw 2010.
• [5] Jankowski, A., Laser research of fuel atomization and combustion process in the aspect of exhaust gases emission, Journal of KONES Powertrain and Transport, Vol. 15, No. 1, pp. 119-126, 2008.
• [6] Jankowski, A., Some Aspects of Heterogeneous Processes of the Combustion Including Two Phases. Journal of KONES. Internal Combustion Engines. Vol. 12, No. 1-2, pp. 121-134, Permanent Committee of KONES, Warszawa 2005.
• [7] Johnson, R., Fluid Dynamics, CRC Press LLC, Florida 1998.
• [8] Wilcox, D., Turbulence modeling for CFD, KNI, Inc., Anaheim 2002.
• [9] Sampath, M. K., Zheng, G., Zhang, Y., Kotrba, A., Golin, M., Lacin, F., CFD Optimization of Exhaust Manifold for Large Diesel Engine Aftertreatment Systems, SAE 2199 New York 2011.