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

The Korean Hydrogen and New Energy Society (한국수소및신에너지학회)
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Backfire Occurrence by Abnormal Electric Discharge in Hydrogen Fueled Engine

수소기관의 이상점화에 의한 역화발생

  • Kim, Y.Y. (Grad. School of Sungkyunkwan Univ.) ;
  • Ryu, T.H. (Grad. School of Sungkyunkwan Univ.) ;
  • Lee, Jong T. (Schoot of Mechanical Engineering, Sungkyunkwan Univ.)
  • Published : 2002.03.30
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Abstract

Because of low flame ion density in hydrogen-air mixture, many residual electric energy could be existed in the ignition system of hydrogen engine, If these residual energy discharged abnormally during intake stroke, it may be the cause of backfire occurrence which is serious problem in development of hydrogen fueled engine but unsolved in spite of many concerned research on it. In this study, the possibility of backfire occurrence by abnormal electric discharge and countermeasure of that were investigated by using the experimental single cylinder hydrogen fueled engine with two types of ignition system. The results show that abnormal electric discharge appeared in low load with low ion density and then results in back fire occurrence, It is also seen that countermeasure method installing larger earth resistance in high tension code is effective to control abnormal electric discharge.

Keywords

References

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