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The purpose of this study is to develop an integrated analytical method of flow-induced noise for vector hydrophones in towed arrays and discuss the parameters that influence flow-induced noise character. Based on Carpenter turbulent boundary layer pressure fluctuation model for slender cylinder, the power spectra and cross power spectra of acoustic pressure and particle velocity of flow-induced noise, are deduced by utilizing the wavenumber-frequency spectral analysis. It is shown that the flow-induced noise is determined by the towed speed, the size of both vector hydrophones and elastomer tube, the material parameters of elastomer tube and so on. In addition, the condition that cylindrical vector hydrophones are distributed non-axially in elastomer tube is also taken into account. Considering the influence of the axis-off distance on acoustic pressure, axial particle velocity and radial particle velocity, a set of numerical results show that the influence of the axis-off distance on the high-frequency component of the acoustic pressure and axial particle velocity is greater than that on the low-frequency component. The radial particle velocity is influenced by the axis-off distance within the full frequency range. The impact of the axis-off distance on the particle velocity is far greater than that on acoustic pressure.
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Keywords:
- towed arrays /
- vector hydrophone /
- flow-induced noise /
- non-axially distributed
[1] Lemon S G 2004 IEEE J. Oceanic Eng. 29 365
[2] Lasky M, Doolittle R D, Simmons B D, Lemon S G 2004 IEEE J. Oceanic Eng. 29 374
[3] Tang W L, Wu Y 1997 Acta Acustica 22 60 (in Chinese) [汤渭霖, 吴一 1997 声学学报 22 60]
[4] Wu Y, Tang W L 1997 Acta Acustica 22 70 (in Chinese) [吴一, 汤渭霖 1997 声学学报 22 70]
[5] Abraham B M 1996 Proceedings of the Workshop on Acoustic Particle Velocity Sensors: Design, Performance and Applications Mystic, USA, September 12-13, 1995 p189
[6] Benjamin M R, Battle D, Eickstedt D, Schmidt H, Balasuriya A 2007 IEEE International Conference on Robotics and Automation Roma, Italy, April 10-14, 2007 p562
[7] Korenbaum V I, Tagiltsev A A 2014 Procedding of Meeting on Acoustics 21 070010
[8] Zou N, Goh I N, Nehorai A 2011 I EEE International Conference on Acoustic, Speech and Signal Processing Prague, Czech Republic, May 22-27, 2011 p2652
[9] Yang X T, Sun G Q, Li M, Li Q H 2007 Technical Acoustics 26 775 (in Chinese) [杨秀庭, 孙贵青, 李敏, 李启虎 2007 声学技术 26 775]
[10] Zou Z Z, Tu Y, Chen D P, Cai H Z 2009 Technical Acoustics 28 454 (in Chinese) [邹锦芝, 涂英, 陈丹平, 蔡惠智 2009 声学技术 28 454]
[11] Corcos G M 1964 J. Fluid Mech. 18 353
[12] Chase D M 1980 J. Sound Vib. 70 29
[13] Capone D E, Lauchle G C 1995 J. Acoust. Soc. Am. 98 2226
[14] Carpenter A L, Kewley D J 1983 Eighth Australasian Fluid Mechanics Conference NSW, Australia, November 28-December 2, 1983 p9A 1
[15] Luxton R E, Bull M K, Rajagopalan S 1984 Aeronaut J. 88 186
[16] Knight A 1996 J. Acoust. Soc. Am. 100 245
[17] Wang B, Tang W L, Fan J 2008 Acta Acustica 33 402 (in Chinese) [王斌, 汤渭霖, 范军 2008 声学学报 33 402]
[18] Shi S G, Yang D S, Hong L J 2009 Acta Acustica 34 30 (in Chinese) [时胜国, 杨德森, 洪连进 2009 声学学报 34 30]
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[1] Lemon S G 2004 IEEE J. Oceanic Eng. 29 365
[2] Lasky M, Doolittle R D, Simmons B D, Lemon S G 2004 IEEE J. Oceanic Eng. 29 374
[3] Tang W L, Wu Y 1997 Acta Acustica 22 60 (in Chinese) [汤渭霖, 吴一 1997 声学学报 22 60]
[4] Wu Y, Tang W L 1997 Acta Acustica 22 70 (in Chinese) [吴一, 汤渭霖 1997 声学学报 22 70]
[5] Abraham B M 1996 Proceedings of the Workshop on Acoustic Particle Velocity Sensors: Design, Performance and Applications Mystic, USA, September 12-13, 1995 p189
[6] Benjamin M R, Battle D, Eickstedt D, Schmidt H, Balasuriya A 2007 IEEE International Conference on Robotics and Automation Roma, Italy, April 10-14, 2007 p562
[7] Korenbaum V I, Tagiltsev A A 2014 Procedding of Meeting on Acoustics 21 070010
[8] Zou N, Goh I N, Nehorai A 2011 I EEE International Conference on Acoustic, Speech and Signal Processing Prague, Czech Republic, May 22-27, 2011 p2652
[9] Yang X T, Sun G Q, Li M, Li Q H 2007 Technical Acoustics 26 775 (in Chinese) [杨秀庭, 孙贵青, 李敏, 李启虎 2007 声学技术 26 775]
[10] Zou Z Z, Tu Y, Chen D P, Cai H Z 2009 Technical Acoustics 28 454 (in Chinese) [邹锦芝, 涂英, 陈丹平, 蔡惠智 2009 声学技术 28 454]
[11] Corcos G M 1964 J. Fluid Mech. 18 353
[12] Chase D M 1980 J. Sound Vib. 70 29
[13] Capone D E, Lauchle G C 1995 J. Acoust. Soc. Am. 98 2226
[14] Carpenter A L, Kewley D J 1983 Eighth Australasian Fluid Mechanics Conference NSW, Australia, November 28-December 2, 1983 p9A 1
[15] Luxton R E, Bull M K, Rajagopalan S 1984 Aeronaut J. 88 186
[16] Knight A 1996 J. Acoust. Soc. Am. 100 245
[17] Wang B, Tang W L, Fan J 2008 Acta Acustica 33 402 (in Chinese) [王斌, 汤渭霖, 范军 2008 声学学报 33 402]
[18] Shi S G, Yang D S, Hong L J 2009 Acta Acustica 34 30 (in Chinese) [时胜国, 杨德森, 洪连进 2009 声学学报 34 30]
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