激光与光电子学进展, 2014, 51 (3): 031402, 网络出版: 2014-03-03  

激光诱导单空泡溃灭噪声频谱特性研究 下载: 552次

Spectrum Characteristics of Laser-Induced Single Bubble Collapse Noise
作者单位
中国矿业大学机电工程学院, 江苏 徐州 221116
摘要
采用压电陶瓷水听器对液体中激光诱导单空泡溃灭噪声进行了信号检测实验。描述了实验仪器实施配置方法,并编制了一款应用小波变换、快速傅里叶变换(FFT)等信号分析手段对测得的空化噪声信号进行小波降噪、功率谱分析的空化噪声分析软件。该软件试用表明,小波降噪技术应用于空化信号分析是一种有效的方法。设计的噪声分析软件能够快速直观地反映噪声信号的频谱特征,实现空化的在线检测和监测。研究结果对水轮机、螺旋桨等水利机械的空蚀预警及空化空蚀现象的研究和应用具有一定意义。
Abstract
The laser-induced cavitation bubble collapse noise spectrum in the liquid are studied experimentally by using a piezoelectric transducer (PTZ) hydrophone. Experimental methods and a cavitation detection system are designed to investigate bubble collapse noise. The wavelet transformation, fast Fourier transform (FFT) and other signal analysis methods are used to monitor the cavitation noise and reduce wavelet noise, analyze power spectrum. The result shows that application of wavelet denoising in cavitation bubble collapse noise spectrum analysis is an effective method. In addition, the designed software can quickly analyze the spectral characteristics of bubble noise signal, and it can detect and monitor cavitation on-line. The results have certain significance on the warning and researching of turbine cavitation, propeller cavitation and other water conservancy machineries.
参考文献

[1] 李超, 应崇福, 白立新, 等. 流体动力空化的噪声特性及空化强度的测量[J]. 中国科学: 物理学力学天文学, 2012, 42(10): 987-995.

    Li Chao, Ying Chongfu, Bai Lixin, et al.. The characteristic of cavitation noise and the intensity measurement of hydrodynamic cavitation[J]. Scientia Sinica Physica, Mechanica & Astronomica, 2012, 42(10): 987-995.

[2] 谢正茂, 高立民, 何俊华. 水下气泡高速摄影光学系统设计[J]. 光学学报, 2012, 32(4): 0422002.

    Xie Zhengmao, Gao Limin, He Junhua. Design of high- speed photography optical system for air bubbles in water[J]. Acta Optica Sinica, 2012, 32(4): 0422002.

[3] C dina M. Detection of cavitation phenomenon in a centrifugal pump using audible sound[J]. Mechanical Systems and Signal Processing, 2003, 17(6): 1335-1347.

[4] 苏永生, 王永生, 段向阳, 等. 喷水推进器空化监测方案的设计研究[J]. 机械设计与制造, 2009, (5): 261-263.

    Su Yongsheng, Wang Yongsheng, Duan Xiangyang, et al.. Research on designing of cavitation monitoring project in waterjet propulsion[J]. Machinery Design & Manufacture, 2009, (5): 261-263.

[5] Bajic B. Multidimensional diagnostics of turbine cavitation[J]. J Fluids Engineering, 2002, 124(12): 943- 950.

[6] Lauterborn W, Kurz T, Geisler R, et al.. Acoustic cavitation bubble dynamics and sonoluminescence[J]. Ultrasonics Sonochemistry, 2007, 14(4): 484-491.

[7] Andreas Hakansson, Laszlo Fuchs, Fredrik Innings, et al.. Visual observations and acoustic measurements of cavitation in an experimental model of a high-pressure homoge nizer[J]. J Food Engineering, 2010, 100(3): 504-513.

[8] Kwangkun Park, Hanshin Seol, Wooyoung Choi, et al.. Numerical prediction of tip vortex cavitation behavior and noise considering nuclei size and distribution[J]. Appl Acoust, 2009, 70(5): 674-680.

[9] Brujan E A, Vogel A. Stress wave emission and cavitation bubble dynamics by nanosecond optical breakdown in a tissue phantom[J]. J Fluid Mechanics, 2006, 55(8): 281-308.

[10] 李胜勇, 刘晓然, 王江安, 等. 含气量对粘性液体中空泡声波频谱特性的影响[J]. 光电子·激光, 2012, 23(6): 1206-1210.

    Li Shengyong, Liu Xiaoran, Wang Jiang′ an, et al.. Influence of gas content on spectrum properties of laser- induced cavitation bubble collapse sound waves in viscous liquid[J]. J Optoelectronics·Laser, 2012, 23(6): 1206-1210.

[11] 刘涛, 王江安, 宗思光, 等. 激光空泡在近自由液面运动特性的实验研究[J]. 光学学报, 2012, 32(7): 0714003.

    Liu Tao, Wang Jiang′ an, Zong Siguang, et al.. Experimental study of laser- generated cavitation bubble motion near a free liquid surface[J]. Acta Optica Sinica, 2012, 32(7): 0714003.

[12] 李胜勇, 饶德虎, 沈中华, 等. 液体中激光等离子体声波特性研究[J]. 光子学报, 2010, 39(12): 2263-2267.

    Li Shengyong, Rao Dehu, Shen Zhonghua, et al.. Properties investigation of laser- induced plasma sound waves in liquids[J]. Acta Photonica Sinica, 2010, 39(12): 2263-2267.

[13] 乔红超, 赵吉宾. 激光冲击强化在线检测系统设计及应用[J]. 激光与光电子学进展, 2013, 50(7): 071401.

    Qiao Hongchao, Zhao Jibin. Design and implementation of online laser peening detection system[J]. Laser & Optoelectronics Progress, 2013, 50(7): 071401.

[14] 林冬伟, 周元, 汪德希. 小波分析在基坑钢支撑轴力监测数据处理中的应用[J]. 岩土工程技术, 2013, 27(3): 154-157.

    Lin Dongwei, Zhou Yuan, Wang Dexi. Axial force processing of foundation steel braces by using wavelet analysis[J]. Geotechnical Engineering Technique, 2013, 27(3): 154-157.

[15] 林良友. 水轮机空化噪声测试系统设计研究[D]. 北京: 清华大学, 2007.

    Lin Liangyou. Research and Design of Measurement System for Turbine Cavitation Noise[D]. Beijing: Tsinghua University, 2007.

张婷婷, 曹国翔, 王彦佼, 夏婷婷, 蔡强, 王攀达, 李贝贝, 刘秀梅. 激光诱导单空泡溃灭噪声频谱特性研究[J]. 激光与光电子学进展, 2014, 51(3): 031402. Zhang Tingting, Cao Guoxiang, Wang Yanjiao, Xia Tingting, Cai qiang, Wang Panda, Li Beibei, Liu Xiumei. Spectrum Characteristics of Laser-Induced Single Bubble Collapse Noise[J]. Laser & Optoelectronics Progress, 2014, 51(3): 031402.

关于本站 Cookie 的使用提示

中国光学期刊网使用基于 cookie 的技术来更好地为您提供各项服务,点击此处了解我们的隐私策略。 如您需继续使用本网站,请您授权我们使用本地 cookie 来保存部分信息。
全站搜索
您最值得信赖的光电行业旗舰网络服务平台!