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Circuits and exchangers

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  • Responsables : EDF R&D Les Renardières
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Function, Design requirements, operating conditions for circuits and exchangers, primary, auxiliary and secondary circuits environment in PWR . Comparison with BWR and VVER. Materials under use. (1 h) -> in B

Primary coolant circuit (3h)

Reasons for the choice for the materials Evolutions. -> in B

Fabrications : Casting or forging.

Thermal ageing. Monitoring programs. In situ methods

Dimensioning, structural integrity, safety margins for various situations, simplified methods, regulations.

Thermal Fatigue

Non Destructive Testing -> Details of NDT methods in E

Special issue of primary coolant pumps.

Steam generator(3h)

Description et operating conditions. Dimensioning. Reasons for the choice of Materials -> will be treated in B

Feed back from plants. Cracking of tubes. Expertise

Stress Corrosion Cracking (primary environment)

Mechanisms -> will be introduced in P1

Operating conditions effects

Mitigations, evolutions

Replacements

Secondary coolant circuits(3h)

description et operating conditions

Feed back from plants

Corrosion Erosion of low alloyed steels

Steam generator (secondary environment) : fouling and clugging

Condensers


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mise à jour le 21 mai 2010

Université Grenoble Alpes