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http://dx.doi.org/10.6108/KSPE.2015.19.4.037

Frequency-Equivalence Ratio Correlation Analysis of Methane-Air Premixed Flame Influenced by Ultrasonic Standing Wave (I)  

Kim, Min Sung (Department of Mechanical Engineering, Graduate School, Pukyong National University)
Kim, Jeong Soo (Department of Mechanical Engineering, Pukyong National University)
Koo, Jaye (School of Aerospace and Mechanical Engineering, Korea Aerospace University)
Kwon, Oh Chae (School of Mechanical Engineering, Sungkyunkwan University)
Publication Information
Journal of the Korean Society of Propulsion Engineers / v.19, no.4, 2015 , pp. 37-44 More about this Journal
Abstract
An experimental study was performed for the analysis of frequency-equivalence ratio correlation in the methane-air premixed flame influenced by ultrasonic standing wave. Evolutionary features of the propagating flame were caught by high-speed camera, and the variation of flame-behavior including local velocities was investigated in detail using a post-processing analysis of the high-speed images. It was found that propagation-velocity augmentation of the methane-air premixed flame by the intervention of ultrasonic standing wave was made in leaner mixture, but the velocity diminished when the strength of chemical reaction was saturated around the slightly fuel-rich side of stoichiometry.
Keywords
Methane-Air; Ultrasonic Standing Wave; Premixed Flame; Flame Propagation; Lower Flammability Limit;
Citations & Related Records
Times Cited By KSCI : 5  (Citation Analysis)
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