Measurement of reactivity in a source driven deep sub-critical system using neutron noise methods
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DOI: 10.1016/j.anucene.2017.01.017
Abstract: Abstract Measurement of reactivity in deep sub critical system using neutron noise method is challenging due to the modal effect. This paper addresses the issue of modal effect in such system in a new and… read more here.
Keywords: neutron noise; system; critical system; reactivity ... See more keywords
Implementation of a frequency-domain neutron noise analysis method in a production-level continuous energy Monte Carlo code: Verification and application in a BWR
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DOI: 10.1016/j.anucene.2018.02.008
Abstract: Abstract A Monte Carlo algorithm for solving the transport equation of the neutron noise in the frequency domain has been newly implemented into a production-level continuous energy Monte Carlo code, MCNP. Using the continuous energy… read more here.
Keywords: neutron noise; energy; monte carlo; code ... See more keywords
CORE SIM+: A flexible diffusion-based solver for neutron noise simulations
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DOI: 10.1016/j.anucene.2021.108149
Abstract: Abstract The paper presents CORE SIM+, a tool developed for diffusion-based neutron noise simulations. The simulator is based on the 3-dimensional, two-energy group neutron diffusion equation in the frequency domain. The tool includes the necessary… read more here.
Keywords: neutron noise; diffusion based; noise simulations; core sim ... See more keywords
Neutron noise simulator based on the boundary element method (BEM)
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DOI: 10.1016/j.anucene.2021.108327
Abstract: Abstract The purpose of the present study is to develop the neutron diffusion solver and neutron noise simulator based on the Boundary Element Method (BEM). The 2-D, 2-G neutron/adjoint diffusion equation and corresponding neutron/adjoint noise… read more here.
Keywords: neutron noise; method; boundary element; noise ... See more keywords
Point flux nodal expansion scheme applied to the neutron noise analysis of the nuclear reactor core
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DOI: 10.1016/j.pnucene.2016.11.002
Abstract: Abstract In this paper, a neutron noise simulator based on the point flux nodal expansion method (PFNEM) for nuclear reactor cores with rectangular geometry is developed. The point flux scheme is a kind of nodal… read more here.
Keywords: neutron noise; point flux; nodal expansion; noise ... See more keywords
Advances in time-dependent Monte Carlo simulations for void velocity determination using neutron noise techniques
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DOI: 10.1016/j.pnucene.2021.103840
Abstract: Abstract Neutron noise measurements for estimating void velocity in a void-containing water flow where spherical bubbles move upward are simulated using a continuous energy Monte Carlo method. The method is newly equipped with a function… read more here.
Keywords: neutron noise; void velocity; monte carlo; time ... See more keywords
The role of the eigenvalue separation in reactor dynamics and neutron noise theory
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Nuclear Science and Technology"
DOI: 10.1080/00223131.2017.1412366
Abstract: ABSTRACT The concept of eigenvalue separation (ES) was introduced in the past for the characterisation of the space-time kinetics of reactor transients, and the stability properties of large loosely coupled cores. However, most of the… read more here.
Keywords: neutron noise; reactor; eigenvalue separation; role eigenvalue ... See more keywords