EPJ Web Conf.
Volume 211, 2019WONDER-2018 – 5th International Workshop On Nuclear Data Evaluation for Reactor applications
|Number of page(s)||9|
|Section||Microscopic and Integral Measurements|
|Published online||05 June 2019|
Impact of delayed neutron constants on reactivity effects measured in a fast reactor
Belgian Nuclear Research Centre SCK•CEN, Boeretang 200, 2400 Mol, Belgium
* Corresponding author: firstname.lastname@example.org
Published online: 5 June 2019
Delayed neutron parameters of fast VENUS-F reactor core configurations are determined with Monte Carlo calculations using various nuclear data libraries. Differences in the calculated effective delayed neutron fraction and the impact of the delayed neutron data (6- or 8-group precursors) that are applied in the experimental data analysis on the measured reactivity effects are studied. Considerable differences are found due to application of 235U and 238U delayed neutron data from JEFF, JENDL and ENDF evaluations.
© The Authors, published by EDP Sciences, 2019
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