COUPLING OF nTRACER TO COBRA-TF FOR HIGH-FIDELITY ANALYSIS OF VVERs
نویسندگان
چکیده
Paul Scherrer Institut is developing a high-resolution multi-physics core solver for VVER analysis. This work presents the preliminary stages of development, specifically coupling 3D pin-by-pin neutronic nTRACER to sub-channel thermal-hydraulic code COBRA-TF single assembly steady state calculations. The scheme and modifications performed in codes are described details. results coupled nTRACER/COBRA-TF calculations compared ones standalone calculation where feedbacks provided by simplified 1D solver. agreement very good with fuel temperature differences around 10 K which can be attributed different correlations used various solvers. cross-comparison two computational routes serves as verification developed between COBRA-TF.
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ژورنال
عنوان ژورنال: Epj Web of Conferences
سال: 2021
ISSN: ['2101-6275', '2100-014X']
DOI: https://doi.org/10.1051/epjconf/202124702008