한국분무공학회지 (Journal of ILASS-Korea)

  • 제17권3호
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  • Pages.158-163
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  • 2012
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  • 1226-2277(pISSN)
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  • 2288-9051(eISSN)
한국분무공학회 (Institute for Liquid Atomization and Spray Systems-Korea)
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클린 디젤엔진 적용을 위한 솔레노이드 및 피에조 인젝터의 분무특성

Spray Characteristics of Solenoid-driven and Piezo-driven Type Injectors for the Clean Diesel Engine Application

  • 전문수 (한국교통대학교 에너지시스템공학과)
  • 투고 : 2012.09.18
  • 심사 : 2012.09.24
  • 발행 : 2012.09.30
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초록

This paper presents spray characteristics of piezo-driven type common-rail injector and comparisons to those of solenoid-driven type. Experiments were conducted to measure spray penetraion and SMD distributions using a spray visualization system and PDPA (phase Doppler particle analyzer) system. Injection conditions including injection pressure and energizing durations were varied in order to analyzing effects of injection conditions on spray characteristics. Furthermore, ambient pressures were increased for keeping ambient gas density close to in-cylinder pressure of diesel engine. Results showed that injection delay of piezo-driven type injector was much shorter than those of solenoid driven type and exhibited enhanced atomization performances.

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참고문헌

  1. Y. Lee, J. Jang, S. Lee and S. Oh, "Comparisons of Low Temperature Combustion Characteristics between Diesel and Biodiesel According to EGR control", Journal of ILASS-Korea, Vol. 16, No. 3, 2011, pp.119-125.
  2. J. W. Lee, S. Lee and J. S. Jang, "Numerical Investigation on Capture of Sub-Micron particles in Electrostatic Precipitator without Corona Discharger", Journal of ILASS-Korea, Vol. 16, No. 2, 2011, pp. 69-75.
  3. S. Im, T. Kim and S. Yu, "An Experimental Study on Injection and Durability Characteristics of Commonrail Injector According to mixture Ratio of Bio-diesel", Journal of ILASS-Korea, Vol. 16, No. 1, 2011, pp. 44-55.
  4. I. Jo, J. Kim and J. Lee, "Analysis of Dynamic Characteristics in Two-stage Injection for CRDi Injectors Based on AMESim Environment", Journal of ILASS-Korea, Vol. 17, No. 2, 2012, pp. 57-63. https://doi.org/10.15435/JILASSKR.2012.17.2.057
  5. M. S. Chon, Y. H. Hwang, H. K. Suh and C. S. Lee, "Atomization and Evaporation Characteristics of DME Fuel for the Application of HCCI Diesel Engines", Journal of ILASS-Korea, Vol. 11, No. 3, 2006, pp. 140-146.
  6. S. Park, H. J. Kim and C. S. Lee, "A Study on the Spray, Combustion, and Exhaust Emission Characteristics of Dimethyl-ether (DME) by Experiment and Numerical Analysis", Journal of ILASS-Korea, Vol. 15, No. 1, 2010, pp. 31-37.
  7. S. H. Bang, M. S. Chon and C. S. Lee, "An Experimental Investigation on Spray Behavior of Biodiesel and DME on Blended Ratio in High Temperature and Pressure Ambient Conditions", Journal of ILASS-Korea, Vol. 15, No. 1, 2010, pp.17-24.