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Research Article

Laminar Burning Velocity Measurement of Spherical Propagating SNG-air Premixed Flames through Verification of Combustor

연소기 검증을 통한 구형으로 전파하는 SNG-공기 예혼합 화염의 층류연소속도 측정

Junho Song1
,
Seohee Cho1
,
Keeman Lee2*
송 준호1
,
조 서희1
,
이 기만2*
1Dept. of Aerospace Engineering, Sunchon National University
2School of Mechanical and Aerospace Engineering, Sunchon National University
1순천대학교 우주항공공학과
2순천대학교 기계·우주공학부
* Corresponding Author
30 September 2019. pp. 41-48
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Abstract

An experimental study was conducted to determine laminar burning velocity and Markstein length of SNG fuel from spherical propagating flames at normal and elevated pressure conditions. In order to make accurate results, combustion chamber was verified using methane/air mixture to find suitable extraction method and flame radius range in SNG fuel. In addition, ARAMCO 2.0 mechanism was selected to compare experimental results with numerical values. As results of this study, there were found that the laminar burning velocities and Markstein lengths of SNG fuel decreased as initial pressure rose. Pressure exponent tended to increase and decrease as the equivalence ratio increased.

Keywords
SNG
Laminar burning velocity
Markstein length
Spherical propagating flames
Flame radius range
Linear model
Non-linear model
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Information
  • Publisher :The Korean Society Combustion
  • Publisher(Ko) :한국연소학회
  • Journal Title :Journal of The Korean Society Combustion
  • Journal Title(Ko) :한국연소학회지
  • Volume : 24
  • No :3
  • Pages :41-48
  • Received Date : 2019-08-01
  • Revised Date : 2019-09-10
  • Accepted Date : 2019-09-17
  • DOI :https://doi.org/10.15231/jksc.2019.24.3.041
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