Abstract
Under laboratory conditions, pipeline leak detection model has been established. We studied the effect of the internal pressure, leakage flow, the propagation distance, and different pipeline characteristics on leakage acoustic emission signal attenuation, and finally used the correlation analysis method to locate the leak point. The results show that the greater the pressure inside the pipe, the stronger the acoustic emission signal energy generated. With the increase of leakage rate, the acoustic emission signal energy gradually increased. With the increase of the distance between the sensor and the leakage point, the acoustic emission signal energy decreased, resulting in acoustic emission signal attenuation gradually. Among different pipeline characteristics, the influence of the flange to the acoustic emission signal attenuation was the largest. But the influence of the tee and weld to the acoustic emission signal attenuation was not obvious. At the same time the influence of the 90° bend was very small and pipe diameter basically did not impact on signal attenuation. The signal after wavelet decomposition used the correlation analysis method; the results were more close to the real value.
Access this chapter
Tax calculation will be finalised at checkout
Purchases are for personal use only
Similar content being viewed by others
References
M.W. Yang, Acoustic Emission Inspection (China Machine, Beijing, 2004)
Z.X. Zheng, Nondestructive Testing and Safety Assessment (China Standards, Beijing, 2003)
R. Long, K. Vine, M.J.S. Lowe et al., Monitoring acoustic wave propagation in buried cast iron water pipes. Rev. Progr. Quant. Nondestr. Eval. 20, 1202–1209 (2001)
G.T. Shen, D. Guang, S.F. Liu, P.E. Dodd, G.L. Hash, Acoustic emission testing technology progress in China. Nondestr. Test. 25(6), 302–307 (2003)
S.H. Carpenter, M.R. Gorman, A waveform investigation of acoustic emission generated during the deformation and cracking of 7075 aluminum. Progress in Acoustic Emission VII, The Japanese Society for NDI, 1994, pp. 105–112
T.M. Roberts, M. Talebzadeh, Acoustic emission monitoring of fatigue crack propagation. J. Constr. Steel Res. 59, 695–712 (2003)
A.A. Hill, V.K. Eric, Neural network detection of fatigue crack growth in riveted joints using acoustic emission. Mater. Eval. 53(1), 76–82 (1995)
G. Chen, G.T. Shen, B.X. Li, Metal pressure vessel research of acoustic emission source characteristics. China Saf. Sci. J. 15(1), 98–103 (2005)
X.Y. Li, Oil and Gas Corrosion and Protection Technical Manuals (Petroleum Industry, Beijing, 1999)
K.M. Ronnie, R.K. Miller, Tank-bottom leak detection in above-ground storage tanks by using acoustic emission. Mater. Eval. 48(6), 822–829 (1990)
R. Nordstrom, Direct tank bottom leak monitoring with acoustic emission. Mater. Eval. 48(2), 251–254 (1990)
G.T. Shen, R.S. Geng, S.F. Liu, Acoustic emission source location. Acta Acustica 24(3), 114–117 (2002)
Z.H. Zhu, P.Z. Li, Z.G. Wang, Pipe sound propagation numerical comparison with the experimental results. Nondestr. Test. 13(1), 1–7 (1998)
Acknowledgment
This study was supported by International Science & Technology Cooperation Project of Changzhou City, China (CZ20120015) and Industry–University Research Cooperation Joint Innovation Fund—Prospective Joint Research Project (BY2013024-04) and National Key Technology Research & Development Program of China (2011BAK03B08-01) and Science & Technology Projects for Key Technology of Production Safety Accident Prevention (Key Techniques Research of Natural Gas Pipeline Leak Detection and Risk Management System).
Author information
Authors and Affiliations
Corresponding author
Editor information
Editors and Affiliations
Rights and permissions
Copyright information
© 2015 Springer Science+Business Media New York
About this paper
Cite this paper
Wang, X., Jiang, Z., Chen, H., Wang, K. (2015). Study of Pipeline Leak Detection and Location Method Based on Acoustic Emission. In: Shen, G., Wu, Z., Zhang, J. (eds) Advances in Acoustic Emission Technology. Springer Proceedings in Physics, vol 158. Springer, New York, NY. https://doi.org/10.1007/978-1-4939-1239-1_44
Download citation
DOI: https://doi.org/10.1007/978-1-4939-1239-1_44
Published:
Publisher Name: Springer, New York, NY
Print ISBN: 978-1-4939-1238-4
Online ISBN: 978-1-4939-1239-1
eBook Packages: Physics and AstronomyPhysics and Astronomy (R0)