Abstract
The study of subcritical reactors needs some test to correctly evaluate many parameters that must be introduced in a reactor model. The Sub-critical Multiplication installation at the University of Pavia was used to measure neutron fluxes and multiplication factors that will be modelled with a MCNP Monte Carlo numerical simulation. The comparison between the measurements and the simulations were very promising demonstrating that also in a sub-critical system the Monte Carlo model could be very helpful in describing the reactor characteristics. Using all the collected data from measurements and simulations, it was possible to determine the k eff of the reactor plant with a reasonable accuracy. The ratio between the fast and the thermal component of the neutron fluxes was also determined.
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References
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Contribution to the Focus Point “An intrinsically safe facility for forefront research and training on nuclear technologies” edited by G. Ricco.
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Alloni, D., Borio di Tigliole, A., Cagnazzo, M. et al. An intrinsically safe facility for forefront research and training on nuclear technologies — A zero-power experiment. Eur. Phys. J. Plus 129, 73 (2014). https://doi.org/10.1140/epjp/i2014-14073-7
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DOI: https://doi.org/10.1140/epjp/i2014-14073-7