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논문 상세정보

Abstract

Recently, the interest in the development of high efficiency Diesel engine technology using alternative fuel has been on the rise and related studies are being performed. Therefore, the DME(Dimethyl Ether), an oxygen containing fuel as an alternative fuel for light oil that can be used for diesel engines since it generates very little smoke. But it is unavoidable that the modification of a fuel supply system in an engine to application of the DME fuel because of DME fuel properties. So, in this study, a DME high pressure pump for a common-rail fuel supply system has been composed and the test results of the pump have been presented. As the results of the tests, it is confirmed that DME pump inlet pressure, pump speed and common-rail pressure effects on the volumetric efficiencies of the pump. Finally, it is defined that the optimum plunger volume of a DME pump has to be extended to the minimum 150% compared to a Diesel pump plunger volume considering DME fuel properties and volumetric efficiencies characteristics at same specifications of the high pressure pump.

참고문헌 (11)

  1. J. S. Na, Y. B. Ham, J. G. Lee and S. D. Kim, 'A Study on the Effective Measurement Method of the Hydraulic Pump Performance,' Proceeding of KSPE Autumn Conference, pp.194-198, 1999 
  2. Y. J. Lee and Y. K. Kim, 'Status of Worldwide DME Engine Vehicle R&D,' Journal of the Korean Society of Automotive Engineers, Vol.25, No.4, pp.27-32, 2003 
  3. S.-H. Nam, Y.-I. Lee and Y.-K. Kim, 'Effects of EGR Rate on Exhaust Emission Characteristics of DI DME Engine,' Spring Conference Proceedings, Vol.I, KSAE, pp.435-440, 2002 
  4. J. S. Hwang, J. S. Ha and S. Y. No, 'Spray Characteristics of DME in Conditions of Common rail Injection System(II),' Int. J. Automotive Technology, Vol.4, No.3, pp.119-124, 2003 
  5. W. Choi, J. Lee and C. Bae, 'Combustion Characteristics of Dimethyl Ether(DME) and Diesel Fuel Using a Common-rail Fuel Injection System,' Transactions of KSAE, Vol.12, No.6, pp.30-37, 2004 
  6. S. Kajitani, Z. L. Chen, M. Konno and K. T. Rhee, 'Engine Performance and Exhaust Characteristics of Direct-injection Diesel Engine Operated with DME,' SAE 972973, 1997 
  7. P. Kapus and H. Ofner, 'Development of Fuel Injection Equipment and Combustion System for DI Diesel Operated on Dimethyl Ether,' SAE 950062, 1995 
  8. S. Cho, B. Seong, D. Lee and B. Lee, 'A Study on Measurements and Evaluation of Chemical Durability for DME,' Fall Conference Proceedings, Vol.I KSAE, pp.342-347, 2003 
  9. R. Christensen, S. C. Sorenson, M. G. Jensen and K. F. Hansen, "Engine Operation on Dimethyl Ether in a Natually Aspirated," DI Diesel Engine, SAE 971665, 1997 
  10. H. Lee, S. Chun, H. Na, W. Jang and Y. Park, 'The Development of Common Rail System for HSDI Engine,' Fall Conference Proceedings, pp.399-405, 2002 
  11. J. C. McCandless, H. Teng and J. B. Schneyer, "Development of a Variable-Displacement, RailPressure Supply Pump for Dimethyl Ether," SAE 2001-01-0687, 2001 

이 논문을 인용한 문헌 (1)

  1. Sin, Yunsub ; Lee, Geesoo ; Kim, Hyunchul ; Jeong, Soo-Jin ; Park, Kyungyeong ; Suh, Hyun Kyu 2013. "Effect of Flow Control Valve Type on the Performance of DME High Pressure Fuel Pump" 한국자동차공학회논문집 = Transactions of the Korean Society of Automotive Engineers, 21(5): 67~73 

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