Experimental study of flame driving function in an acoustically excited duct with anchored flames
學年 90
學期 1
出版（發表）日期 2001-10-01
作品名稱 Experimental study of flame driving function in an acoustically excited duct with anchored flames
作品名稱（其他語言）
著者 Chen, Tzeng-Yuan; Chen, Chien-Pang
單位 淡江大學航空太空工程學系
出版者 Heidelberg: Springer
著錄名稱、卷期、頁數 Experiments in Fluids 31(4), pp.457-464
摘要 This research experimentally investigates the flame driving function in an acoustically excited vertical duct with a laminar, premixed flame anchored on a grid. The flame driving function is determined from the measured acoustic intensity upstream and downstream of the flame zone, which relates both the acoustic velocities and pressures on either side of the flame zone. Results of this research reveal that the location of the flame zone on the acoustic field plays the main role in determining the sign and magnitude of the flame driving function. The flame equivalence ratio plays a role only in the magnitude of the flame driving function. This study also shows that the characteristics of the flame driving function can be qualitatively predicted by knowing the imaginary part of nonreactive acoustic admittance at the flame location.
關鍵字 Acoustic fields; Acoustic intensity; Acoustic wave effects; Ducts; Flame research; Laser Doppler velocimeters; Microphones; Oscillations; Pressure distribution; Pressure measurement; Transfer functions; Velocity measurement; Acoustic admittance; Flame driving function; Flame equivalence ratio; Flame zone; Fluid mechanics
語言 en
ISSN 0723-4864
期刊性質 國外
收錄於
產學合作
通訊作者 Chen, T.Y.
審稿制度
國別 DEU
公開徵稿
出版型式 紙本
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