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http://dx.doi.org/10.5762/KAIS.2014.15.8.4729

Study of Robust Design of a Off-road Diesel Engine considering Emission characteristics of NOx and PM  

Chung, Jin-Eun (School of Mechanical Engineering, Korea University of Technology and Education)
Ahn, Jueng-Kyu (Department of Mechanical Engineering, Graduate School, Korea University of Technology and Education)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.15, no.8, 2014 , pp. 4729-4735 More about this Journal
Abstract
To protect the environment, the regulation of emissions from off-road engines which are relatively neglected, is being reinforced. This paper deals with the robust design of off-road diesel engines considering the emission characteristics. Measurements of the NOx and PM levels based on the DOE were carried out. The injector hole number, injection timing and EGR rate were selected as the control factors. The orthogonal arrays table $L_9(3^3)$ was made from 2 or 3 levels for each factor and measurements of emissions were accomplished based on the table. The small-the-better SN ratio according to the Taguchi method was evaluated. The ANOVA (analysis of variance) for the SN ratio was conducted. The injection timing on the NOx emissions and the EGR rate on the PM have the largest effect on the low-load operation condition. The confidence levels of the control factors were more than 90%.
Keywords
NOx; Off-road Diesel Engine; PM; Robust Design; Taguchi Method;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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1 T. V. Johnson, "Diesel Emission Control in Review", SAE 2006 World Congress & Exhibition, 2006
2 W. Knecht, "Diesel engine development in view of reduced emission standards", Energy, Vol.33, No.2, pp.264-271, 2008 DOI: http://dx.doi.org/10.1016/j.energy.2007.10.003   DOI
3 G. S. Peace, Taguchi Methods : A Hands-on Approach to Quality Engineering, pp.1-12, Addison-Wesley Publishing Co., 1993
4 H. Y. Yoo, "A Study on the Forming Conditions of a Forging Piston by using the Finite Elements Simulation and the Taguchi Method," Journal of the Korea Academia-Industrial Cooperation Society, Vol. 13, No. 5, pp.1990-1995, 2012 DOI: http://dx.doi.org/10.5762/KAIS.2012.13.5.1990   DOI
5 J. Chung, J. Ahn, " A Study of Robust Design of FCM Gasket Using Taguchi Method," Journal of the Korea Academia-Industrial Cooperation Society, Vol. 14, No. 7, pp.3177-3183, 2013 DOI: http://dx.doi.org/10.5762/KAIS.2013.14.7.3177   과학기술학회마을   DOI   ScienceOn
6 M. Zheng, G. T. Reader and J. G. Hawley, "Diesel engine exhaust gas recirculation-a review on advanced and novel concepts", Energy Conversion and Management, 45, pp.883-900, 2004 DOI: http://dx.doi.org/10.1016/S0196-8904(03)00194-8   DOI   ScienceOn
7 Y. J. Jeong, "A Case Study for Resolution of Variation and Determination of Optimum Conditions in Taguchi's Design of Experiments", MS Thesis, Chung-Ang University, 2002
8 G. Taguchi, Introduction to Quality Engineering, pp. 104-105, Asian Productivity Organization, 1986
9 S. H. Park and J. U. Kim, Modern Design of Experiments using MINITAB, pp.528-534, Minyoung Publishing Co., 2011
10 H. J. Gong, I. G. Hwang, A. H. Ko, C. L. Lee, S. S. Park, C. S. Lim, "Effect of EGR Rate and Injection Timing on the Characteristics of Exhaust Emissions in Light-duty Diesel Engine", Transactions of KSAE, Vol. 30, No. 3, pp.7-12, 2012 DOI: http://dx.doi.org/10.7467/KSAE.2012.20.3.007   과학기술학회마을   DOI   ScienceOn
11 J. Y. Heo, J. P. Cha, S. H. Yoon, C. S. Lee, "Effect of EGR Rate on Combustion and Emission Characteristics in a Single-cylinder Direct Injection Diesel Engine with Common-rail", Transactions of KSAE, Vol. 19, No. 2, pp.20-25, 2011   과학기술학회마을