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Symptoms of Self-excited Combustion Oscillation and their Detection  

Yang, Young-Joon (Department of Mechanical Engineering, Osaka University)
Akamatsu, Fumiteru (Department of Mechanical Engineering, Osaka University)
Katsuki, Masashi (Department of Mechanical Engineering, Osaka University)
Bae, Suk-Tae (Department of Mechatronics, Tongmyong College)
Kim, Si-Pom (Department of Mechanical Engineering, Dong-A University)
Publication Information
Journal of Mechanical Science and Technology / v.18, no.10, 2004 , pp. 1859-1868 More about this Journal
Abstract
Monitoring of OH chemiluminescence through an optical fiber was demonstrated to be a useful method in detecting self-excited combustion oscillations. OH chemiluminescence intensity detected by the optical fiber showed mostly excellent agreement with those obtained by high speed CCD camera measurements when combustion oscillations were strong. Symptoms of self-excited combustion oscillation were also studied in order to predict the onset of combustion oscillation before it proceeded to a catastrophic failure. For the purpose, we have found and proposed unique measures to tell the onset of self-excited combustion oscillations based on the careful statistics of fluctuating properties in flames, such as pressure or emission of OH radicals.
Keywords
Flame; Combustion Oscillation; Unsteady Combustion; Premixed Combustion; Oscillation Control; Symptom of Combustion Oscillation; Detection.;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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