Verification of the MRNK+KEDR-D software system being developed for calculating reactor dynamics is performed using the numerical benchmark-test PWR MOX/UO2 Transient Benchmark. The nonstationary process leading to an abrupt change of power caused by injection of large positive reactivity ~1.1 ß in 0.1 sec is studied. Analysis and a comparison of the obtained results with similar calculations performed using different software showed that the compared parameters are in agreement with one another to within admissible deviations.
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Translated from Atomnaya Énergiya, Vol. 126, No. 2, pp. 116–119, February, 2019.
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Ioannisian, M.V., Bykov, V.P., Zakirov, S.Y. et al. Multizone Kinetics Method Verification for Numerical Benchmark Test. At Energy 126, 134–137 (2019). https://doi.org/10.1007/s10512-019-00527-z
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DOI: https://doi.org/10.1007/s10512-019-00527-z