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.
METHOD AND DEVICE FOR INSPECTING HYDRO TURBINE RUNNER
VERFAHREN UND VORRICHTUNG ZUR INSPEKTION EINES HYDROTURBINENLAUFRADS
PROCÉDÉ ET DISPOSITIF D'INSPECTION DE ROUE DE TURBINE HYDRAULIQUE
2021-11-03
Patent
Electronic Resource
English
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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