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Simulation Study of Injection Strategy and Tumble Effect on the Mixture Formation and Spray Impingement in a Gasoline Direct Injection Engine
Technical Paper
2014-01-1129
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
A three dimensional model of 2.0L, turbocharged gasoline direct injection (GDI) engine was established using AVL-Fire. The mixture formation process and spray impingement were analyzed with various injection strategies. The results showed that, as the injection timing delay, the amount of spray impingement reduces and the mixture at the ignition timing is less homogeneous. Compared with the single-stage injection, the dual-stage injection could reduce the amount of spray impingement. The intakeports were designed to obtain high tumble ratio, then the formation of mixture in cylinder was simulated to study the effect of tumble ratio on spray impingement and mixture formation process. It turned out that the intakeports with higher tumble ratio could get better mixture formation and less amount of spray impingement.
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Han, S., Qin, J., Lin, M., Li, Y. et al., "Simulation Study of Injection Strategy and Tumble Effect on the Mixture Formation and Spray Impingement in a Gasoline Direct Injection Engine," SAE Technical Paper 2014-01-1129, 2014, https://doi.org/10.4271/2014-01-1129.Also In
References
- Zhao F , Lai M C , Harrington D L Automotive Spark-ignited Direct-injection Gasoline Engines Progress in Energy and Combustion Science 1999 25 5 437 562
- Gao Jian , Jiang Deming , Huang Zuohua , Wang Xibin Numerical Study on Spray and Mixture Stratified Combustion in a Direct Injection Gasoline Engine 2005 23 4 297 306
- Han , Z. , Reitz , R. , Claybaker , P. , Rutland , C. et al. Modeling the Effects of Intake Flow Structures on Fuel/Air Mixing in a Direct-injected Spark-Ignition Engine SAE Technical Paper 961192 1996 10.4271/961192
- Tan Wenzheng , Feng Liyan , Zhang Chunhuan , Tian Jiangping , Long Wuqiang 3D Numerical Simulation on the Working Process of a Gasoline Direct Injection Engine Transactions of CSICE 2011 29 3 221 228
- Dukowicz J K. Quasi-Steady Droplet Change in the Presence of Convection Informal Report Los Alamos Scientific Laboratory, LA7997-MS 1979
- Kazunari , Kuwahara , Ando Hiromitsu Diagnostics of in Cylinder Flow Mixing and Combustion in Gasoline Engines Meas Sci Technol 2000 11 6 95 111
- Shan Y G , Javad M. Modeling Injection of Dense Liquid Sprays in Radio Frequency Inductively Coupled Plasmas Plasma Chemistry and Plasma Processing 2005 25 3 193 214
- Du Aimin , Duan Liang , Tian Yongxiang CFD Analysis of Intake Port Flow Characteristics for Four-valve Gasoline Engine Journal of Tongji University (Nature Science) 2009 37 2 249 253
- Han Wenyan , Xu Sichuan , Zhou Yuekang , Zhang Hong , Ren Jiankang Effect of Tumble Ratio on Mixture Formation and Combustion of GDI Engine Transactions of CSICE 2012 30 6 499 505
- Murali Krishna , B. and Mallikarjuna , J. Effect of Intake Manifold Orientation on In-Cylinder Tumble Flow Structure in an Internal Combustion Engine - An Analysis Using Particle Image Velocimetry SAE Technical Paper 2009-28-0004 2009 10.4271/2009-28-0004