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<p>The dissipation of hydraulic energy in hydraulic structures and water management facilities usually takes the form of heat and sound, often referred to as hydraulic losses. Further consideration of sound and noise emissions is generally not given. This paper outlines a calculation method for predicting sound power levels at weirs with free overflow. This approach has been calibrated using hydraulic laboratory tests and verified through measurements taken on a real structure.</p>

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Bestimmung der Schallemissionen bei Wehranlagen mit freien Überfällen

  • 期刊论文

  • 发表日期：

    2026年1月6日

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  • Ulf Helbig,
  • Peter Schaum

摘要

The dissipation of hydraulic energy in hydraulic structures and water management facilities usually takes the form of heat and sound, often referred to as hydraulic losses. Further consideration of sound and noise emissions is generally not given. This paper outlines a calculation method for predicting sound power levels at weirs with free overflow. This approach has been calibrated using hydraulic laboratory tests and verified through measurements taken on a real structure.