Transactions of the Korean hydrogen and new energy society (한국수소및신에너지학회논문집)

The Korean Hydrogen and New Energy Society (한국수소및신에너지학회)
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Characteristics of Performance and Back-Fire for External Mixture Hydrogen Fueled Engine without Valve Overlap Period

밸브 오버랩 기간이 없는 흡기관 분사식 수소기관의 성능 및 역화특성

  • Lee, K.J. (Grad. School of Sungkyunkwan Univ.) ;
  • Kang, J.K. (Grad. School of Sungkyunkwan Univ.) ;
  • Cong, Huynh Thanh (Grad. School of Sungkyunkwan Univ.) ;
  • Noh, K.C. (School of Mechanical Engineering, Sungkyunkwan Univ.) ;
  • Lee, J.T. (School of Mechanical Engineering, Sungkyunkwan Univ.)
  • Published : 2007.12.15
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Abstract

In order to verify the feasibility of expansion of back-fire limit equivalence ratio in the hydrogen-fueled engine with external mixture, the characteristics of performance and combustion are experimentally analyzed with change of intake/exhaust valve timings under the fixed valve overlap period of $0^{\circ}$ CA(non-valve overlap period). These characteristics are also tested for the change of exhaust valve closing timing while intake valve opening timing is fixed to clear the main cause of back-fire occurrence. As the results, the less valve overlap period center is retarded, the more back-fire limit equivalence ratio increases and back-fire does not occurred after TDC. In addition, it was shown that the control of back-fire is dependent on intake valve opening timing than valve overlap period.

Keywords

References

  1. J. M. Kim, Y. T. Kim, J. T. Lee, S. Y. lee, 'Performance characteristics of Hydrogen Fueled Engine with the Direct Injection and Spark Ignition System', SAE 952488, 1995, pp. 162-175
  2. 이창욱, 오태석, 김윤영, 이종태, '수소기관의 역화발생에 미치는 crevice volume의 영향에 관한 연구', 대한기계학회 추계학술대회 논문집(II), 1996, pp. 646-651
  3. K. Koyanagi, M. Hiruma, S. Furuhama, 'Study on Mechanism of Backfir in Hydrogen Engines', SAE 942035, 1994
  4. Huynh Thanh Cong, 강준경, 노기철, 이종태, '흡기관 분사식 수소기관의 밸브오버랩기간 변화에 대한 기관성능 및 연소특성 해석에 관한 연구', 한국자동차공학회 춘계학술대회 논문집, 2007, pp. 1936-1941
  5. T. C. Huynh, J. K. Kang, N. C. Noh, J. T. Lee, J. H. Lee, 'Feasibility of Backfire Control and Engine Performance with Different Valve Overlap Period of Hydrogen-Fueled Engine with External Mixture', 한국수소 및 신에너지학회 논문집, Vol. 18, No. 1, 2007, pp. 67-74
  6. 강준경, T. C. Huynh, 노기철, 이종태, '흡기관 분사식 수소기관의 실용화를 위한 MCVVT 연구용 수소기관의 개발과 기본 특성', 한국수소 및 신에너지학회 논문집, Vol. 17, No. 3, 2006, pp. 255-262
  7. 이재욱, 이택헌, 신영기, 전광민, '스파크 점화기관에서 밸브타이밍에 따른 잔류가스율 측정 및 잔류가스율이 연소특성에 미치는 영향에 관한 연구', 한국자동차공학회 춘계학술대회논문집, 2000, pp. 126-131