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  4. Characterization of a confined gaz by means of an acoustic sensor - Application to nuclear fuel rods

  5. Consideration of the retaining spring

Article | REF: IN113 V1

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

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5. Consideration of the retaining spring

The retaining spring greatly reduces the amplitude of the gas signals (figure 16 ), but velocity measurements do not seem to be affected by its presence (figure 17 ). As a first approximation, the spring is shown to hinder the establishment of standing waves.

Comparison of calibration curve obtained with and without spring (mixture of He 60 – Ar 40)
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Consideration of the retaining spring
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