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http://dx.doi.org/10.3795/KSME-B.2015.39.2.135

Combustion Characteristics of Landfill Gas in Constant Volume Combustion Chamber for Large Displacement Volume Engine (IV) -Torch Ignition (2) -  

Ko, Ansu (Graduate School of NID Fusion Technology, Seoul Nat'l Univ. of Science and Technology)
Ohm, Inyong (Dept. of Mechanical and Automotive Engineering, Seoul Nat'l Univ. of Science and Technology)
Kwon, Soon Tae (Graduate school of Energy & Environment, Seoul Nat'l Univ. of Science and Technology)
Publication Information
Transactions of the Korean Society of Mechanical Engineers B / v.39, no.2, 2015 , pp. 135-146 More about this Journal
Abstract
This paper is the fourth on the combustion characteristics of the landfill gas in a constant volume combustion chamber for a large displacement volume commercial engine and the second dealing with torch ignition. It discusses the combustion characteristics of torch ignition on the basis of the heat release and visualization. The results show that the jet and/or spout from the torch promote combustion by accelerating the flame front in the main combustion chamber. In addition, a hot gas jet exists when the orifice diameter is 4 mm, whereas the flame passes directly through the orifice if the diameter is 6 mm or greater. In addition, the effect of torch ignition differs according to the combination of the methane fraction, torch volume, and orifice size because various combustion processes occur as a result of the interaction of these parameters. Finally, it was found that the most suitable torch should have an orifice diameter of not less than 6 mm and an area ratio of not more than 0.15 to secure a consistent combustion process in a real engine.
Keywords
Landfill Gas; Constant Volume Combustion Chamber; Torch Ignition; Hear Release Rate; Burn Duration; Methane; Equivalence Ratio;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
연도 인용수 순위
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