Active control of flame oscillation in lean premixed burners by phase- controlled sound waves

Active control of flame oscillation in lean premixed burners by phase- controlled sound waves
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通过相控声波主动控制贫预混燃烧器中的火焰振荡

DOI:
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发表时间:
2008
期刊:
影响因子:
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通讯作者:
N. Yamasaki
N. Yamasaki
中科院分区:
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文献类型:
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作者:
Yoshiteru Hoshida;Y. Inokuchi;N. Yamasaki

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本研究的目的是主动控制火焰振荡的实验贫油预混甲烷燃烧器的相位控制声波。作者提出了通过直接感测优先频率来产生相控声波和产生与火焰振荡具有固定最佳相位差的传感器触发声波的方法。在本研究中实现了实时控制器,并实现了燃烧噪声的降低。在峰值频率处降低了20dB,在OASPL处降低了13dB。
The objective of the present study is to actively control the flame oscillation in the experimental lean premixed methane burner by the phase-controlled sound waves. The authors propose the methodology of generating the phase-controlled sound waves by directly sensing the preferential frequency and generating the sensor-triggered sound waves with fixed optimum phase difference with the flame oscillation. The real-time controller is implemented in the present study, and the combustion noise reduction is achieved. The reduction is 20dB at peak frequency and 13dB in the OASPL.
高亚音速射流和噪声产生的大涡模拟
DOI: --
发表时间: 2008
期刊:
影响因子: --
作者:
Y. Fukuda;S. Teramoto;T. Nagashima
通讯作者: T. Nagashima