The invention relates to a device (1) for inspecting a cavitation damage or a crack of a runner (7) of a hydro turbine, comprising a remote operated vehicle (20) or an autonomous underwater vehicle, comprising at least one camera and/or scanner, and means (24) for processing images from said camera and/or scanner to generate at least one 3D view or IR thermal view of at least a part of a surface, or of a subsurface, of said runner comprising said cavitation damage or crack.


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    Title :

    METHOD AND DEVICE FOR INSPECTING HYDRO TURBINE RUNNER


    Additional title:

    VERFAHREN UND VORRICHTUNG ZUR INSPEKTION EINES HYDROTURBINENLAUFRADS
    PROCÉDÉ ET DISPOSITIF D'INSPECTION DE ROUE DE TURBINE HYDRAULIQUE



    Publication date :

    2021-11-03


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    F03B MACHINES OR ENGINES FOR LIQUIDS , Kraft- und Arbeitsmaschinen oder Kraftmaschinen für Flüssigkeiten / B63G OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS , Angriffs- oder Verteidigungsanordnungen auf Schiffen / G01N Untersuchen oder Analysieren von Stoffen durch Bestimmen ihrer chemischen oder physikalischen Eigenschaften , INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES



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