| 摘要 |
<p>The invention relates to a device for detecting the abrasive wear on components of water turbines, having a wearing body, and a measuring unit for detecting the wear on the wearing body. The invention is characterized in that the wearing body is arranged in the flow flowing through the water turbine, the wearing body is implemented as a sonotrode and is connected to an ultrasound generator, and the measuring unit is implemented to measure the resonant frequency of the sonotrode.</p> |
