Intake manifold shape influence on the unsteady in-cylinder flow: Application on LPG bi-fuel engine

被引：0
作者：
机构：
[1] Laboratory of the Electromechanical Systems, National School Engineers of Sfax, University of Sfax, BP 1173, Road Soukra, Sfax
来源：
| 1600年 / Springer Heidelberg卷 / 01期
关键词：
Bi-fuel engine; CFD; Intake manifold; Unsteady in-cylinder flow;
D O I：
10.1007/978-3-642-37143-1_40
中图分类号：
学科分类号：
摘要：
The flow in the internal combustion (IC) engine intake manifold determines the flow in the cylinder prior and during the combustion. Consequently, intake- air manifolds have a major effect on engine’s performances and emission pollutants. In order to achieve the best volumetric and thermal efficiency, the design of intake manifolds presents a very important objective for engines manufacturers. In this paper, the flow characteristics of air-fuel mixture flowing in various designs of manifold of IVECO 6 cylinder heavy-duty engine are studied. This engine operates with bi-fuel LPG (liquefied petroleum gas)-gasoline technology. The proposed paper aims to present a three dimensional unsteady CFD (Computational Fluid Dynamics) analysis of the flow inside the two manifold shapes. The mass flow rate of the in-cylinder charge, the velocity and the turbulent kinetic energy are investigated in order to develop a thorough understanding of the in-cylinder flow and identify the optimal manifold. The cyclic dynamic in-cylinder flow results show that the second intake manifold shape present the optimal configuration for engine charging. The comparison between simulation results and those from the literature showed a good concordance. © Springer-Verlag Berlin Heidelberg 2013.
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页码：331 / 338
页数：7
相关论文
共 8 条
  • [1] Philip M.M., Boden R.H., Schecter H., Acoustic Vibrations and Internal Combustion Engine Performance. Standing Waves in the Intake Pipe System, Journal of Applied Physics, 9, (1938)
  • [2] Srebric J., Chen Q., An example of verification, validation, and reporting of indoor environment CFD analyses, ASHRAE Transactions, 108, 2, pp. 185-194, (2002)
  • [3] Heywood J.B., Internal Combustion Engine Fundamentals, (1988)
  • [4] Siqueira C.R., Kessler M.P., Araujo L.A.R., Rodrigues E.C., Three-dimensional Transient Simulation of an Intake Manifold using CFD Technique, Society of Automotive Engineers, (2006)
  • [5] Args R., Mallikarjuna J.M., Ganesan V., Energy efficient piston configuration for effective air motion-A CFD study, Applied Energy, 102, pp. 347-354, (2013)
  • [6] Jemni M.A., Kantchev G., Abid M.A., Influence of intake manifold design on in cylinder flow and engine performances in a bus diesel engine converted to LPG gas fuelled, using CFD analyses and experimental investigations, Energy, 36, pp. 2701-2715, (2011)
  • [7] Mahrous A.F., Wyszynski M.L., Wilson T., Xu H.M., Computational fluid dynamics simulation of in-cylinder flows in a motored homogeneous charge compression ignition engine cylinder with variable negative valve overlapping, Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering, 221, pp. 1295-1304, (2007)
  • [8] Fuchs T.R., Rutland C.J., Intake Flow Effects on Combustion and Emissions in a Diesel Engine, (1998)
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