화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Korean Journal of Chemical Engineering, Vol.34, No.2, 574-579, February, 2017
DOI10.1007/s11814-016-0338-5  Export Citation
Comparative experimental study of ethanol-air premixed laminar combustion characteristics by laser induced spark and electric spark ignition
Cangsu Xu†, Yangyang Hu, Xiaolu Li1, Xuan Zhou, and Anhao Zhong
  • College of Energy Engineering, Zhejiang University, Hangzhou 310027, China
  • 1College of Mechanical and Electrical Engineering, China Jiliang University, Hangzhou 310018, China
E-mail:
An experimental study of laminar combustion characteristics of ethanol-air premixed mixtures was conducted with different ignition methods, including laser induced spark ignition (LISI) and electric spark ignition (SI) at an initial condition of 358 K temperature and 0.1 MPa pressure. Flame propagation with the two different ignition methods was analyzed and discussed. The laminar flame speed was extrapolated with a nonlinear extrapolation method. Results indicate that the laminar speed of ethanol-air mixtures with LISI is faster than that with SI at lean mixtures, but slower at stoichiometric and rich mixtures. The peak values of the laminar burning velocity for SI and LISI with nonlinear extrapolation are 50.1 cm/s and 47.6 cm/s at the equivalence ratio of 1.1, respectively. Laser-induced spark ignition is able to ignite leaner ethanol-air mixtures.
Keywords:Laser Induced Spark Ignition (LISI);Electric Spark Ignition (SI);Laminar Flame Speed;Propagating Spherical Flame;Ethanol
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