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Modeling of CNG Direct Injection using Gaseous Sphere Injection Model
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  • Journal title : Journal of ILASS-Korea
  • Volume 21, Issue 1,  2016, pp.47-52
  • Publisher : Institute for Liquid Atomization and Spray Systems-Korea
  • DOI : 10.15435/JILASSKR.2016.21.1.47
 Title & Authors
Modeling of CNG Direct Injection using Gaseous Sphere Injection Model
Choi, Mingi; Park, Sungwook;
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 Abstract
This paper describes the modeling of CNG direct injection using gaseous sphere injection model. Simulation of CNG direct injection does not need break up and evaporation model compared to that of liquid fuel injection. And very fine mesh is needed near the injector nozzle to resolve the inflow boundary. Therefore it takes long computation time for gaseous fuel injection simulation. However, simulation of CNG direct injection could be performed with the coarse mesh using gaseous sphere injection model. This model was integrated in KIVA-3V code and RNG turbulence model needs to be modified because this model tends to over-predict gas jet diffusion. Furthermore, we preformed experiments of gaseous fuel injection using PLIF (planar laser induced fluorescence)method. Gaseous fuel injection model was validated against experiment data. The simulation results agreed well with the experiment results. Therefore gaseous sphere injection model has the reliability about gaseous fuel direct injection. And this model was predicted well a general tendency of gaseous fuel injection.
 Keywords
Gaseous sphere injection model;CNG direct injection;KIVA-3V code;Planar laser induced fluorescence;
 Language
Korean
 Cited by
 References
1.
Y. Iwamoto, K. Noma, O. Nakayama, T. Yamauchi and H. Ando, Development of gasoline direct injection engine, SAE paper, 1997, 970514.

2.
F. Zhao, M.C. Lai and D.L. Harrington, Automotive spark-ignited direct-injection gasoline engines. Progress in Energy and Combustion Science, 25(5), 1999, 437-562.

3.
M. Baratta, Andrea E, Catania, E. Spessa, L. Herrmann and K. Roessler, Multi-Dimensional Modeling of Direct Natural-Gas Injection and Mixture Formation in a Stratified-Charge SI Engine with Centrally Mounted Injector. SAE Int. J. Engines, 1(1), 2008, 607-626. crossref(new window)

4.
M. Baratta, N. Rapetto, E. Spessa, A. Fuerhapter, H. Philipp, Numerical and Experimental Analysis of Mixture Formation and Performance in a Direct Injection CNG Engine, SAE paper, 2012.

5.
R.P. Hessel, N. Abani, S.M. Aceves, D. L. Flowers, Gaseous Fuel Injection Modeling Using a Gaseous Sphere Injection Methodology, SAE paper, 2006.

6.
A.A. Amsden, KIVA-3V Release 2, Improvement to KIVA-3V, in Los Alamos National Laboratory Report. 1999, No.LA-UR-99-915.

7.
P.O. Witze, Impulsively started incompressible turbulent jet. 1980.

8.
Y. Ra, S.C. Kong, R.D. Reitz, C.J. Rutland, Multidimensional Modeling of Transient Gas Jet Injection Using Coarse Computational Grids, SAE paper, 2005.

9.
J. Yu, V. Vuorinen, H. Hillamo, T. Sarjovaara, O. Kaari,o M. Larmi, An Experimental Study on High Pressure Pulsed Jets for DI Gas Engine Using Planar Laser-Induced Fluorescence. SAE paper, 2012.