Transactions of the Korean Society of Mechanical Engineers B (대한기계학회논문집B)

The Korean Society of Mechanical Engineers (대한기계학회)
권호 표지
DOI QR코드

DOI QR Code

The Combustion Characteristics of Diesel Engine by the Water Injection through the Intake Port (I)

흡기관내로의 물 분사에 의한 디젤기관의 연소특성 (I)

  • 유경현 (전북대학교 기계공학과) ;
  • 윤용진 (전북대학교 대학원 기계공학과) ;
  • 오영택 (전북대학교 기계공학과, 공학연구원 자동차신기술연구센터)
  • Published : 2002.12.01
Download PDF
⟨ Previous Next ⟩

Abstract

To effectively meet current regulations on the exhaust emissions of diesel engine required to control the deterioration of air pollution in the whole world, this study is to investigate the effects of water induction through the air intake system on the characteristics of combustion and exhaust emissions in IDI diesel engine. A method fur supplying water through the air intake system to reduce the exhaust emissions has been considered with other methods such as water introduction in the form of water-in-fuel emulsion or water injection directly into the combustion chamber, but it has not been studied about the effects of water on the combustion concepts and the characteristics of exhaust emissions in detail until now. In this study, the formation of NOx was significantly suppressed by decreasing the gas peak temperature during the initial combustion process because the water play a role as a heat sink during evaporating in the combustion chamber, but the smoke was slightly increased by increasing water amount.

Keywords

References

  1. Dryer, F. L., 1977, 'Water Addition to Practical Combustion System-Concepts and Applications,' 16th Symp.(Int.) on Combustion, pp. 279-295
  2. Ishida, M., Ueki, H., and Sakeguchi, D., 1997, 'Prediction of NOx Reduction Rate Due to Port Water Injection in a DI Diesel Engine,' SAE Paper, 972961
  3. Jacques, M. T., Jordan, J. B., Williams, A. and Hadley-coates, L., 1977, 'The Combustion of Water-in-Oil Emulsions and the Influence of Asphaltene Content,' 16th Symp.(Int.) on Cobustion, pp. 307-319
  4. G. Greeves, I. M. Khan, and G. Onion, 1977, 'Effects of Water Introduction on Diesel Engine Cobustion and Emissions,' 16th Symp.(Int.) on Combustion, pp. 321-336
  5. Crookes, R. J., Kiannejad, F. and Nazha, M. A. A., 1997, 'Systematic Assessment of Combustion Characteristics of Biofuels and Emulsions with Water for Use as Diesel Engine Fuels,' Energy Conversion and Management, Vol. 38, No. 15-17, pp. 1785-1795 https://doi.org/10.1016/S0196-8904(96)00202-6
  6. Nazha, M.A.A., Rajakaruna, H. and Crookes, R. J., 1998, 'Soot and Gaseous Species Formation in a Water-in-Liquid Fuel Emulsion Spray-A Mathematical Approach,' Vol. 39, No. 16-18, pp. 1981-1989 https://doi.org/10.1016/S0196-8904(98)00079-X
  7. Miyamoto, N., Ogawa, H., Nurun, N. M., Obata, K. and Arima, T., 1998, 'Smokeless, Low Nox, High Thermal Efficiency, and Low Noise Diesel Combustion with Oxygenated Agents as Main Fuel,' SAE Paper 980506
  8. Murayama, T., Chikahisa, T. and Fujiwara, Y., 1998, 'Diesel Engine Smoke Reduction by Controlling Early Thermal Cracking Process and Activation Later Stage Combustion,' Trans. of the ASME, Vol. 120, pp. 648-656
  9. Miyamoto, N., Ogawa, H. and Wang, J., 1995, 'Significant NOx Reductions with Direct Water Injection into the Sub-Chamber of an IDI Diesel Engine,' SAE Paper 950609
  10. Cho, J.H., Kim, H.S. and Park, J.Y., 1991, 'A Study on Combustion and Exhaust Emission of Diesel Engine - For Gas Oil-Water-Methahnol Emulsified Fuel,' Journal of the Korean Society of Automotive Engineers, Vol. 13, No. 5, pp. 81-88
  11. Jurng, J.S. and Shin, H.D., 1989, 'Combustion Characteristics of Water-in-Oil Emulsion Droplets,' Journal of Korean Society of Automotive Engineers, Vol. 11, No. 2, pp. 34-40
  12. Psota, M. A., Easley, W. L., Fort, T. H. and Mellor, A. M., 1997, 'Water Injection Effects on NOx Emissions for Engines Utilizing Diffusion Flame Combustion,' SAE Paper, 971657
  13. Crookes, R. J., Nazha, M. A., Janota, M. S., and Slorey, T., 1980, 'Investigation into the Combustion of Water/Diesel Fuel Emulsions,' SAE Paper, 800094
  14. Storment, J. O. and Coon, C. W., 1978, 'Single-cylinder Diesel Engine Tests with Unstabilized Water-in-Fuel Emulsions,' Department of Transpotation, UK Coastguard, Report No. CG-D-13-78
  15. Lee, M., 2000, CARPOS, Vol. 2, pp. 182-185
  16. Ryu, K.H., Yun, Y.J. and Oh, Y.T., 2002, 'NOx Reduction by the Water Injection Through the Intake Port in IDI Diesel Engine,' Proceedings of the KSME 2002 Spring Annual Meeting, pp. 2043-2048
  17. Ryu, K.H., Yun, Y.J. and Oh, Y.T., 2002, 'An Experimental Study on the Water Induction Through the Intake Port for Reducing NOx Emission in IDI Diesel Engine,' Proceedings of the KSAE 2002 Spring Annual Meeting, pp. 361-366