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ZJUS-A
Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering)  2003, Vol. 4 Issue (3): 309-316    DOI: 10.1631/jzus.2003.0309
Energy Engineering     
Three-dimensional transient numerical simulation for intake process in the engine intake port-valve-cylinder system
LUO Ma-ji, CHEN Guo-hua, MA Yuan-hao
College of Energy and Power Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
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Abstract  This paper presents a KIVA-3 code based numerical model for three-dimensional transient intake flow in the intake port-valve-cylinder system of internal combustion engine using body-fitted technique, which can be used in numerical study on internal combustion engine with vertical and inclined valves, and has higher calculation precision. A numerical simulation (on the intake process of a two-valve engine with a semi-sphere combustion chamber and a radial intake port) is provided for analysis of the velocity field and pressure field of different plane at different crank angles. The results revealed the formation of the tumble motion, the evolution of flow field parameters and the variation of tumble ratios as important information for the design of engine intake system.

Key words： Internal combustion engine      Intake flow      Transient numerical simulation      Dynamic grid generation     
Received: 08 August 2002     
CLC:  TK411.3  
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LUO Ma-ji
CHEN Guo-hua
MA Yuan-hao
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LUO Ma-ji, CHEN Guo-hua, MA Yuan-hao. Three-dimensional transient numerical simulation for intake process in the engine intake port-valve-cylinder system. Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering), 2003, 4(3): 309-316.

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http://www.zjujournals.com/xueshu/zjus-a/10.1631/jzus.2003.0309     OR     http://www.zjujournals.com/xueshu/zjus-a/Y2003/V4/I3/309

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