Monitoring Testing; Maintaining

GPHYSICS G21Nuclear engineering G21CNUCLEAR REACTORS

G21C17/00Monitoring Testing; Maintaining

G21C17/001Mechanical simulators G21C17/002Detection of leaks G21C17/003Remote inspection of vessels G21C17/007Inspection of the outer surfaces of vessels G21C17/01Inspection of the inner surfaces of vessels G21C17/013Inspection vehicles G21C17/017Inspection or maintenance of pipe-lines or tubes in nuclear installations G21C17/02Devices or arrangements for monitoring coolant or moderator G21C17/021Solid moderators testing G21C17/022for monitoring liquid coolants or moderators G21C17/0225Chemical surface treatment G21C17/025for monitoring liquid metal coolants G21C17/0255Liquid metal leaks detection G21C17/028for monitoring gaseous coolants G21C17/032Reactor-coolant flow measuring or monitoring G21C17/035Moderator- or coolant-level detecting devices G21C17/038Boiling detection in moderator or coolant G21C17/04Detecting burst slugs G21C17/041characterised by systems for checking the coolant channels G21C17/042Devices for selective sampling G21C17/044Detectors and metering devices for the detection of fission products G21C17/045Precipitation chambers G21C17/047Detection and metering circuits G21C17/048characterised by a special construction of fuel elements G21C17/06Devices or arrangements for monitoring or testing fuel or fuel elements outside the reactor core G21C17/063Burn-up control G21C17/066Control of spherical elements G21C17/07Leak testing G21C17/08Structural combination of reactor core or moderator structure with viewing means G21C17/10Structural combination of fuel element, control rod, reactor core, or moderator structure with sensitive instruments G21C17/102the sensitive element being part of a fuel element or a fuel assembly G21C17/104Measuring reactivity G21C17/108Measuring reactor flux G21C17/112Measuring temperature G21C17/116Passages or insulators G21C17/12Sensitive element forming part of control element G21C17/14Period meters