동력기계공학회지 (Journal of Power System Engineering)

  • 제18권6호
  • /
  • Pages.51-57
  • /
  • 2014
  • /
  • 2713-8429(pISSN)
  • /
  • 2713-8437(eISSN)
한국동력기계공학회 (The Korean Society for Power System Engineering)
권호 표지
DOI QR코드

DOI QR Code

커먼레일 시스템용 저압 유압회로의 성능특성에 관한 연구

A Study on the Performance Characteristics of Low Pressure Hydraulic Circuit of Common Rail System

  • 이춘태 (신라대학교 자동차기계공학과)
  • Lee, Choon-Tae (Department of Automotive & Mechanical Engineering, Silla University)
  • 투고 : 2014.09.17
  • 심사 : 2014.11.05
  • 발행 : 2014.12.31
PDF 다운로드
⟨ 이전 논문 다음 논문 ⟩

초록

High pressure common rail injection technology has revolutionized the diesel industry. Over the last decade it has allowed engine builders to run higher injection pressures as much as above 1,300bar in order to increase engine efficiency, while reducing emissions. This common rail system has low pressure circuit which is consist of low pressure pump, cascade overflow valve and flow metering unit. The low pressure pump's purpose is to feed fuel oil to the high pressure pump. The cascade overflow valve keeps pressure in front of the metering unit constant and provides lubrication for the high pressure pump. The metering unit, known as the MPROP or fuel pressure regulator, regulates the maximum flow rate delivers to the rail. In this paper, we have investigated the performance characteristics of each components and total low pressure circuit of common rail system.

키워드

참고문헌

  1. W. Liu, J. Wang, 2012, "Simulation on Pressure Control of Common Rail Line in High Pressure Fuel Injection System", 2011 International Conference on Computer Science and Information Technology, Vol. 51, pp. 508-514.
  2. Z. Reif, 2009, "High Pressure Common Rail Injector Problem Analysis", Advanced Engineering, Vol. 3, pp. 103-116.
  3. X. L. J. Seykens, L. M. T. Somers and R.S.G. Baert, 2004, "Modelling of Common Rail Fuel Injection System and Influence of Fluid Properties on Injection Process", Proceedings of VAFSEP 2004.
  4. H. E. Merritt, 1991, "Hydraulic Control Systems", John Wiley.
  5. J. H. Kim, J. B. Park, H. Y. Song, J. G. Kim and D. K. Kim, 2009, "A Study on HFRR of Diesel on Fuel System Component Durability", Proceeding of the KSAE, pp. 220-224.
  6. J. W. Chung, N. H. Kim, J. H. Kang, S. W. Park, H. K. Lee and S. K. Choi, 2009, "A Study on the DME Application Performance of a High Pressure Fuel Pump for an Electric Controlled Common-rail Compressing Ignition Engine", Transactions of KSAE, Vol. 17, No. 2, pp. 132-140.
  7. J. S. Jang, Y. H. Yoon, 2009, "Analysis Model Development for Component Design of the Fuel Injection System for CRDI Engines", KSAE, Vol. 17, No. 3, pp. 117-126.
  8. H. Y. Kim, J. Y. Koo, H. K. Na and C. S. Kim, 1998, "Simulation of High Pressure Common-rail Fuel Injection System", Transactions of KSAE, Vol. 6, No. 5, pp. 162-173.
  9. C. T. Lee, 2013, "A Study on the Performance Characteristic of Common Rail High Pressure Pump", Transactions of KSPSE, Vol. 17, No. 6, pp. 5-10. https://doi.org/10.9726/kspse.2013.17.6.005