Investigation on nonlinear thermo-acoustic characteristics of Rijke tube |
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Authors: | DENG Kai WU Yunfei LI Hua FANG Deming ZHONG Yingjie |
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Affiliation: | DENG Kai~1 WU Yunfei~1 LI Hua~1 FANG Deming~2 ZHONG Yingjie~1 (1 Institute of Energy and Power Engineering,Zhejiang University of Technology Hangzhou 310014) (2 Inst.of Processing Equip,and Control Engineering,Zhejiang Univ.of Technology Hangzhou 310014) |
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Abstract: | Based on the energy conservation relationship,nonlinear thermo-acoustic effects of Rijke tube including instability range,saturation processes and higher harmonics modes were investigated.With coupling between the external flow and the inner space of a Rijke tube, the acoustic characteristics of self-excited oscillation were simulated.The experimental study was also carried out and the results were compared with those from simulation.The nonlinear factors which distort the acoustic waveform distortion were ... |
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