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Validation of the Nodal Drift Method on a CANDU LOCA and First Application to the TWIGL Seed-Blanket REA

A. Nuttin 1 P. Prévot 1 N. Capellan 1 S. David 2 X. Doligez 2 O. Méplan 1
1 LPSC - Laboratoire de Physique Subatomique et de Cosmologie
2 IPNO - Institut de Physique Nucléaire d'Orsay
Abstract : The Nodal Drift Method (NDM) has been developed for a broad and coarse safety review of promising thorium-fueled High Conversion Water Reactor (HCWR) options. Conceived as a missing link between too approximate point kinetics and too sophisticated industrial codes, NDM is based on 2-group diffusion theory and a lumped parameter model with maximized mesh size. It has been validated on a CANDU LOCA (Loss Of Coolant Accident) benchmark, without any need for thermal calculations. With same principle of pre-tabulated cross sections and as a first application to PWR-like REA (Rod Ejection Accident), the well-known TWIGL benchmark of a ramp transient within a heterogeneous core has been calculated. From its good results have been deduced a few perspectives towards future HCWR studies.
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Conference papers
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http://hal.in2p3.fr/in2p3-01376565
Contributor : Emmanuelle Vernay <>
Submitted on : Wednesday, October 5, 2016 - 11:05:23 AM
Last modification on : Thursday, January 7, 2021 - 3:28:03 PM

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  • HAL Id : in2p3-01376565, version 1

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IN2P3 | IPNO | LPSC | CNRS | UGA

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A. Nuttin, P. Prévot, N. Capellan, S. David, X. Doligez, et al.. Validation of the Nodal Drift Method on a CANDU LOCA and First Application to the TWIGL Seed-Blanket REA . International Congress on Advances in Nuclear Power Plants (ICAPP 2016), Apr 2016, San Francisco, United States. pp.2148-2157. ⟨in2p3-01376565⟩

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