Measurement methods and principles
Characterization of a confined gaz by means of an acoustic sensor - Application to nuclear fuel rods
Research and innovation REF: IN113 V1
Measurement methods and principles
Characterization of a confined gaz by means of an acoustic sensor - Application to nuclear fuel rods

Authors : Eric Rosenkrantz, Jean-Yves Ferrandis, Gérard Lévêque, Daniel Baron

Publication date: January 10, 2010 | Lire en français

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2. Measurement methods and principles

A tile-shaped acoustic sensor is placed on the fuel rod at plenum level (figure 4 ). It must be small enough to pass between the fuel rods, and must operate in the presence of water, as the measurements are taken in the pool. When the assemblies are unloaded, the reactor vessel is flooded (figure 1 ) and all the assemblies are transferred to the fuel building pool (figure

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