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The point kinetic component of neutron noise in an MSR

Imre Pázsit (Institutionen för teknisk fysik, Nukleär teknik) ; Victor Dykin (Institutionen för teknisk fysik, Fasta tillståndets fysik) ; R. Sanchez
Annals of Nuclear Energy (0306-4549). Vol. 64 (2014), p. 344-352.
[Artikel, refereegranskad vetenskaplig]

The point kinetic approximation, and the calculation of the point kinetic component of the neutron noise in Molten Salt Reactors (MSR) is revisited. First, the derivation of the point kinetic equations in an MSR, found in the literature, is discussed. It is shown that to make the equations solvable, some simplifications need to be made whose validity is not justified. Then the point kinetic component of the noise is derived from the full space-frequency dependent solution in an analytical form by a projection to the static adjoint. The solution of the simplified point kinetic equations and the linearly exact point kinetic component obtained by the projection technique are compared quantitatively and it is shown that the solution of the simplified point kinetic equations cannot reconstruct some important features of the true solution. (C) 2013 Elsevier Ltd. All rights reserved.

Nyckelord: Molten salt reactor, Kinetics, Dynamics, Neutron noise, Kinetic approximation, Point reactor component, REACTORS, SYSTEMS

Denna post skapades 2014-03-04. Senast ändrad 2014-09-02.
CPL Pubid: 194426


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Institutioner (Chalmers)

Institutionen för teknisk fysik, Nukleär teknik (2006-2015)
Institutionen för teknisk fysik, Fasta tillståndets fysik (2005-2015)


Teknisk fysik

Chalmers infrastruktur