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http://dx.doi.org/10.5407/JKSV.2011.9.4.035

A Study on the Mixing Capacity of Lifted Flame by the Nozzle Hole-tone of High Frequency in Non-premixed Jet Flames  

Jo, Joon-Ik (순천대학교 대학원 우주항공공학과)
Lee, Kee-Man (순천대학교 기계우주항공공학부)
Publication Information
Journal of the Korean Society of Visualization / v.9, no.4, 2011 , pp. 35-40 More about this Journal
Abstract
An experimental investigation of the characteristic of non-premixed lifted flames with nozzle hole-tone of high-frequency has been performed. Before the fuel was supplied to nozzle, the fuel was supplied through a burner cavity which was located under the nozzle. The fuel passed through the excitation cavity under the influence of the high-frequency affects the lifted flame characteristics. The measurements were performed in flow range that occurs lifted flame and blow out. When the high-frequency is generated from burner cavity, the lifted length became shorter, and noise reduced comparing to unexcitation case. Additionally, operating flow range was increased and diameter of flame base became smaller with high-frequency effect. Through this experiments, it's ascertained that the high-frequency excitation can be adopted with effective method for flame stability and noise reduction.
Keywords
Lift-off flame; Hole-tone; Combustion noise; Flame stability;
Citations & Related Records
Times Cited By KSCI : 2  (Citation Analysis)
연도 인용수 순위
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