Analysis of a VVER-1000 in-core fuel management benchmark with DRAGON and DONJON Online publication date: Sun, 25-Mar-2018
by W.F.G. Van Rooijen; Mohammad Jahirul Haque Khan; Alain Hébert; Vivian Salino
International Journal of Nuclear Energy Science and Technology (IJNEST), Vol. 11, No. 4, 2017
Abstract: This paper discusses the calculation of the IAEA benchmark entitled In-core fuel management code package validation for WWERs (IAEA-TECDOC-847) with the Version5 code system (DRAGON and DONJON). Calculations were performed for VVER-1000 cores. Cell calculations are done with DRAGON. Core calculations are done with DONJON, using CLE-2000 procedures to determine the reactor state at each depletion step, taking into account the control rod insertion pattern, reactor power, coolant inlet temperature and coolant mass flow. A multi-variate cross-section database for the core calculations is made with DRAGON. Calculated results are the critical boron concentration at each depletion step, and axial and radial power profiles at a few depletion steps. The present work serves as a feasibility study for the application of DRAGON and DONJON to VVER cores, and results are generally acceptable. Suggestions are made to improve the quality of the simulations.
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