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Acoustic attenuation of cohesive sediments (mud) at high ultrasound frequencies
Brouwers, B.; van Beeck, J.; Lataire, E. (2022). Acoustic attenuation of cohesive sediments (mud) at high ultrasound frequencies. Proceedings of Meetings on Acoustics 47: 070009. https://dx.doi.org/10.1121/2.0001594
In: Proceedings of Meetings on Acoustics. Acoustical Society of America. e-ISSN 1939-800X, meer
Peer reviewed article  
Beschikbaar in  Auteurs 
Trefwoorden
    Hydraulics and sediment > Sediment > Cohesive sediment
    In-situ measurements
    Physical modelling
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Auteurs  Top 
  • Brouwers, B., meer
  • van Beeck, J.
  • Lataire, E., meer
Abstract
    The acoustic attenuation of cohesive sediment (mud) at high frequencies ranging from 0.5 MHz to 5.0 MHz is determined. Conventional laboratory experiments based on the pulse-echo technique were performed using a single element immersible ultrasound transducer. The results showed however that due to the time-changing properties of mud a different approach to process the data is required. Additional experiments to determine the acoustic attenuation using multiple alternative ultrasonic devices were conducted. Using the results of the conventional experiments as a benchmark the reliability of these experiments is considered acceptable. This manuscript was originally submitted to the ICUA 2022 conference.
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