Investigation of a CoolantMixing Phenomena within the Reactor Pressure Vessel of a VVER-1000 Reactor with Different Simulation Tools
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Truong_Investigation of a Coolant.pdf
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Author(s)
Sanchez, V.
Jaeger, W.
Boettcher, M.
Truong, Bao H.
Date Issued
January 2010
Journal
Science and Technology of Nuclear Installations
Publisher
Hindawi Publishing Corporation
Citation
V. Sánchez, W. Jaeger, M. Boettcher, and B. Truong, “Investigation of a Coolant Mixing Phenomena within the Reactor Pressure Vessel of a VVER-1000 Reactor with Different Simulation Tools,” Science and Technology of Nuclear Installations, vol. 2010, Article ID 470794, 14 pages, 2010. doi:10.1155/2010/470794
Version
Final published version
Abstract
The Institute of Neutron Physics and Reactor Technology (INR) is involved in the qualification of coupled codes for reactor safety evaluations, aiming to improve their prediction capability and acceptability. In the frame of the VVER-1000 Coolant Transient Benchmark Phase 1, RELAP5/PARCS has been extensively assessed. Phase 2 of this benchmark was focused on both multidimensional thermal hydraulic phenomena and core physics. Plant data will be used to qualify the 3D models of TRACE and RELAP5/CFX, which were coupled for this purpose. The developed multidimensional models of the VVER-1000 reactor pressure vessel (RPV) as well as the performed calculations will be described in detail. The predicted results are in good agreement with experimental data. It was demonstrated that the chosen 3D nodalization of the RPV is adequate for the description of the coolant mixing phenomena in a VVER-1000 reactor. Even though only a 3D coarse nodalization is used in TRACE, the integral results are comparable to those obtained by RELAP5/CFX.
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DOI of Published Version
https://doi.org/10.1155/2010/470794
