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Calculation of the neutron noise using the Analytical Nodal Method

Viktor Larsson (Institutionen för teknisk fysik, Nukleär teknik) ; Christophe Demazière (Institutionen för teknisk fysik, Nukleär teknik)
REACTOR PHYSICS CALCULATIONS IN THE NORDIC COUNTRIES (2009)
[Konferensbidrag, övrigt]

In this study, the neutron noise, i.e. the stationary fluctuations of the neutron flux around its mean value, is calculated in 2-group diffusion theory for a 2-dimensional reactor using the Analytical Nodal Method. A brief description of the calculation of the static flux is also included. The same calculational scheme for the neutron noise as for the static flux is used. As a benchmark, the calculated neutron noise for a 2-dimensional fully homogeneous reactor is compared with the analytical solution which can easily be determined for homogeneous reactors. The result of the benchmark is that the numerically calculated neutron noise accurately matches the analytically calculated neutron noise.



Denna post skapades 2009-09-24. Senast ändrad 2015-03-30.
CPL Pubid: 98764

 

Institutioner (Chalmers)

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

Ämnesområden

Övrig teknisk fysik

Chalmers infrastruktur