An Investigation of a Cause of Backfire and Its Control Due to Crevice Volumes in a Hydrogen Fueled Engine

Author:

Lee J. T.1,Kim Y. Y.1,Lee C. W.1,Caton J. A.2

Affiliation:

1. School of Mechanical Engineering, Sungkyunkwan University, Jangan-gu, Suwon 440-746, Korea

2. Department of Mechanical Engineering, Texas A&M University, College Station, TX 77840

Abstract

To understand the occurrence of backfire in hydrogen fueled engines using an external (inducted) fuel supply, a fundamental study was completed using a modified experimental engine. A relation was found between the crevice volume in the combustion chamber and the occurrence of backfire. The results showed that the crevice around the spark plug electrode was not a major cause of backfire, but the combustion state of the mixture in the piston top land crevice, second land, and ring groove did have a direct affect on backfire occurrence. By increasing the top land crevice volume and the amount of blow-by gas, the equivalence ratio before backfire occurred was extended.

Publisher

ASME International

Subject

Mechanical Engineering,Energy Engineering and Power Technology,Aerospace Engineering,Fuel Technology,Nuclear Energy and Engineering

Reference12 articles.

1. Kukkonen, C. A., 1981, “Hydrogen as an Alternative Fuel,” Society of Automotive Engineers, Technical Paper No. 810349, pp. 127–149.

2. Furuhama, S. , 1991, “Trend of Social Requirements and Technical Development of Hydrogen-Fueled Automobiles,” JSME Rev., 13, pp. 4–13.

3. Mathur, H. B., 1985, “Hydrogen Fueled Internal Combustion Engines,” Proceedings of the National Workshop on Hydrogen Energy, New Dehli, July, pp. 159–177.

4. Kim, J. M., Kim, Y. T., Lee, J. T., and Lee, S. Y., 1995, “Performance Characteristics of Hydrogen Fueled Engine with the Direct Injection and Spark Ignition System,” Society of Automotive Engineers, Technical Paper No. 952488, pp. 162–175.

5. Kim, Y. Y., Park, J. B., and Lee, J. T., 1997, “A Study on Development of Hydrogen Fueled Engine With High Power and High Efficiency,” Proceedings of 4th Japan-Korean Joint Symposium, Yokohama, Aug. 29, pp. 62–71.

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