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

The Korean Hydrogen and New Energy Society (한국수소및신에너지학회)
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A Study on the Laminar Burning Velocity of Synthetic Gas of Coal Gasification(H2/CO)-Air Premixed Flames

석탄가스화 합성가스(H2/CO)-공기 예혼합화염의 층류 연소속도에 관한 연구

  • Jeong, Byeonggyu (Division of Aerospace Engineering of Sunchon National Univ.) ;
  • Lee, Keeman (School of Mechanical and Aerospace Engineering, Sunchon National Univ.)
  • 정병규 (순천대학교 우주항공전공) ;
  • 이기만 (순천대학교 기계우주항공공학부)
  • Received : 2012.09.28
  • Accepted : 2012.10.26
  • Published : 2012.10.31
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Abstract

Syngas laminar burning velocity measurements were carried out at atmospheric pressure and ambient temperature using the Bunsen flame configuration with nozzle burner as a fundamental study on flame stability of syngas fuel. Representative syngas mixture compositions ($H_2$:CO) such as 25:75%, 50:50% and 75:25% and equivalence ratios from 0.5 to 1.4 have been conducted. Average laminar burning velocities have been determined by the stabilized nozzle burner flames using the angle method, radical surface area method and compared with the data obtained from the other literatures. And the results of each experimental methodologies in the various composition ratios and equivalence ratios were coincided with the result of numerical simulation. Especially, it was confirmed that there was necessary to choice a more accurate measurement methodology even the same static flame method for the various composition ratios of syngas fuel including hydrogen. Also, it was reconfirmed that the laminar burning velocities gradually increased with the increasing of hydrogen content in a fuel mixture.

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References

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