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**Harvard**

Dykin, V. och Pázsit, I. (2010) *Investigation of the space-dependent noise induced by propagating density fluctuations*.

** BibTeX **

@conference{

Dykin2010,

author={Dykin, Victor and Pázsit, Imre},

title={Investigation of the space-dependent noise induced by propagating density fluctuations},

booktitle={International Conference on the Physics of Reactors 2010, PHYSOR 2010 },

isbn={978-161782001-4},

pages={963-978},

abstract={The space-dependent behavior of neutron noise induced by a propagating perturbation, represented by the fluctuations of the absorbtion cross section propagating with the coolant of a PWR, is investigated in a one-dimensional one-group approach. The general space-frequency problem is solved for this specific noise source with the help of Greens function technique. All calculations are made in the frame of first-order perturbation theory. The solution is investigated for a different frequencies and system sizes. The limits of point-kinetic and space-dependent behaviour were investigated. An interesting interference phenomenon was found between the point kinetic and the pure space dependent components of the noise for certain combinations of the frequency and system size. The results bear a significance for the dynamics of Molten Salt Reactors (MSR), which will be reported on in a companion paper.},

year={2010},

keywords={Greens function, Neutron noise, Point kinetics, Propagating perturbations, Space dependence},

}

** RefWorks **

RT Conference Proceedings

SR Print

ID 138531

A1 Dykin, Victor

A1 Pázsit, Imre

T1 Investigation of the space-dependent noise induced by propagating density fluctuations

YR 2010

T2 International Conference on the Physics of Reactors 2010, PHYSOR 2010

SN 978-161782001-4

SP 963

OP 978

AB The space-dependent behavior of neutron noise induced by a propagating perturbation, represented by the fluctuations of the absorbtion cross section propagating with the coolant of a PWR, is investigated in a one-dimensional one-group approach. The general space-frequency problem is solved for this specific noise source with the help of Greens function technique. All calculations are made in the frame of first-order perturbation theory. The solution is investigated for a different frequencies and system sizes. The limits of point-kinetic and space-dependent behaviour were investigated. An interesting interference phenomenon was found between the point kinetic and the pure space dependent components of the noise for certain combinations of the frequency and system size. The results bear a significance for the dynamics of Molten Salt Reactors (MSR), which will be reported on in a companion paper.

LA eng

OL 30