remote acoustic detection Articles

  • Development of a long duration, free swimming, inline acoustic leak detection inspection tool

    Abstract Acoustic leak detection inspection tools have become a common technique to identify minute pipeline leakage before the leak and the defect producing it can become a larger problem or even a rupture level event. While these inspection tools only identify small ...


    By Pure Technologies

  • Hole Dug, Leak Found - City Of Ottawa Entrusts Smartball Platform To Look For Leaks In Tranmsission Main

    When your inspection task is to survey a critical pipeline for leaks, nothing is more satisfying than trusting your technology to predict the leak location and then standing by as the client excavates the area to find a flow of water within one meter of exactly where you said it would be. The above-described "leak-where-predicted" recently happened with the City of ...


    By Pure Technologies

  • PAMBuoy:Monitoring Beluga Whales in Alaska case study

    Real-time monitoring for beluga whales (Delphinapterus leucas) in the Eagle River, Alaska using a PAMBuoy detection system Real time monitoring for beluga whales (Delphinapterus leucas) in the Eagle River, Alaskausing a PAMBuoy detection system. Final Contract Report by SMRU, LLC and Marine Instruments Ltd. 19p. The Army and Air Force teamed with the Alaska Department of Fish and Game ...

  • Case Study River Vienne/France

    LOG_aLevel® at River Vienne, France General Acoustics’ French distributor, Mesuris recently installed a LOG_aLevel® gauge station at the River Vienne for the company Ecologia. The exact location of the station is Moulin de Chitré, south from the city of Châtellerault. The company Mesuris collects the data. The aim is to measure variations of water level ...


    By General Acoustics e.K.

  • Noise Monitors and Meters

    Sound level meters Description and ApplicationsThe sound level meter is a lightweight instrument for the measurement of sound pressure level (SPL) in decibels. All ANSI-approved meters meet minimum requirements that include an A-weighted network, a slow-response meter characteristic, and a fully graduated scale with measurements ranging from 80 to 130 dBA. The Type II meter is most frequently ...

  • On the application of miniSoDAR technology to wind energy

    Introduction In the late 1990’s wind turbines with nacelle heights exceeding 60 meters were introduced to the wind energy community. Initially, wind prospecting and siting studies continued to use 50-meter wind towers and extrapolate the measurement to the nacelle heights. It was quickly determined that this approach was not sufficient for the placement of these tall turbines. The next ...

  • Ocean science for sustainable development: Facts and figures

    Sarah Grimes explores why we need good ocean monitoring, how to get it, and why it still fails Small Island Developing States. Oceans are a critically important component of the Earth system, supporting ecosystem and human health. They regulate the weather and climate; are essential for producing freshwater; and soak up ...


    By SciDev.Net

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