Measurements of Ground Surface Vibrations Can Locate Buried Pipelines
Researcher GAO Yan from the Institute of Acoustics of the Chinese Academy of Sciences together with researchers from China and the UK present a novel method for locating buried pipes using measurements of ground surface vibrations.
Read More >>Acoustic Signals Improving Correlation-based Leak Detection Techniques Performance
Researchers present a procedure in which the shape of the cross-correlation function can be significantly improved, resulting in an unambiguous and clear estimate of the time delay.
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Theoretically and Experimentally Investigate Structural and Fluid Motions at Low Frequencies in Water Distribution Pipes
Their investigation has provided a basis for further improvement of leak detection technologies in urban environments, which is one major challenge currently facing pipeline networks across the world.
Read More >>Passive Time Reversal “Listens” to the Ocean Remotely and Attentively
Applying time reversal to passive acoustic remote sensing of the ocean has recently been achieved by scientists from three countries of the United States, Israel and China.
Read More >>Stable and High Order Method Realizes Reverse Time Migration in Irregular Regions
In irregular regions, to realize the acoustic wavefield simulation and reverse time migration, researchers recently extends the second order summation-by-parts finite difference method to the fourth order case. The fourth order accuracy finit...
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