| 气路颗粒静电监测技术及实验 |
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| 引用本文： | 文振华,左洪福,李耀华.气路颗粒静电监测技术及实验[J].航空动力学报,2008,23(12):2321-2326. |
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| 作者姓名： | 文振华 左洪福 李耀华 |
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| 作者单位： | 南京航空航天大学民航学院; |
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| 基金项目： | 国家高技术研究发展计划(863计划)(2006AA04Z427) |
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| 摘 要： | 介绍了发动机气路荷电颗粒产生的机理、静电传感器原理以及气路静电监测技术的原理,然后介绍了模拟试验装置和试验过程,并通过实验的方法对静电监测技术进行了研究,最后通过小波分析的方法对实验信号的能量分布特征进行了研究,结果为大颗粒产生的感应信号的幅度要大而能量分布集中在低频段,而细小颗粒产生的感应信号幅值较小,信号能量分布集中在高频段,实验结果为在气路监测中辨别异常颗粒提供了参考依据,同时也表明了基于颗粒静电监测方法的可行性.
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| 关 键 词： | 航空发动机 气路 颗粒 静电监测 小波分析 |
| 收稿时间： | 2007/11/14 0:00:00 |
| 修稿时间： | 4/21/2008 6:08:08 PM |
Gas path debris electrostatic monitoring technology and experiment |
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| WEN Zhen-hu,ZUO Hong-fu and LI Yao-hua.Gas path debris electrostatic monitoring technology and experiment[J].Journal of Aerospace Power,2008,23(12):2321-2326. |
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| Authors: | WEN Zhen-hu ZUO Hong-fu and LI Yao-hua |
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| Affiliation: | Civil Aviation College, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China;Civil Aviation College, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China;Civil Aviation College, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China |
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| Abstract: | The formation mechanism of charged-particles,the principle of electrostatic sensor and gas path electrostatic monitoring technology were discussed in this paper,then the simulated experimental system and experiment process were analyzed to make a preliminary exploration on gas path electrostatic monitoring technology;lastly,the energy distribution characteristics of experimental signal was studied via wavelet analysis.The results show that,the signal induced by large particle has the characteristic of large... |
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| Keywords: | aero-engine gas path particle electrostatic monitoring wavelet analysis |
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