Theoretical and experimental demonstration of minimizing self-excited thermoacoustic oscillations by applying anti-sound technique
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- 作者：Shen Lia ; Qiangtian Lia ; Lin Tangb ; Bin Yangc ; Jianqin Fud ; C.A. Clarkee ; Xiao Jina ; C.Z. Jia ; czji1000@gmail.com" class="auth_mail" title="E-mail the corresponding author ; He Zhaoa ; 975469808@qq.com" class="auth_mail" title="E-mail the corresponding author
- 关键词：Thermoacoustic oscillation ; Combustion instability ; System identification ; Heat-to-sound conversion ; Feedback control
- 刊名：Applied Energy
- 出版年：2016
- 出版时间：1 November 2016
- 年：2016
- 卷：181
- 期：Complete
- 页码：399-407
- 全文大小：2791 K
文摘
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Minimizing self-sustained thermoacoustic oscillations is theoretically and experimentally studied.
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LMS-based online identification algorithm is applied to achieve robust control.
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Noise effect is theoretically studied by adding Gaussian noise to a van der Pol oscillator.
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Off-design performance is experimentally evaluated by varying fuel flow rate.
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45 dB sound pressure level reduction is experimentally achieved.