The Molten Salt Reactor Point-Kinetic Component of Neutron Noise in Two-Group Diffusion Theory

Dykin, Victor,1985Chalmers tekniska högskola,Chalmers University of Technology (author)

The derivation of the point-kinetic component of the neutron noise in two-group diffusion theory in molten salt reactors (MSRs), based on different techniques, is discussed. First, the point-kinetic component is calculated by projecting the corresponding full space-frequency-dependent solution onto the static adjoint. Then, following the standard procedure in reactor physics, the point-kinetic solution is determined by solving the linearized point-kinetic equations. Both results are thereafter analyzed and compared quantitatively. Such a comparison clearly indicates that the solution obtained by the conventional derivation, i.e., from the point-kinetic equations, significantly differs from the exact one and is not able to reproduce certain features of the latter. Similar discrepancies between the two methods were also pointed out and confirmed earlier in one-group MSR calculations.

NATURVETENSKAP Fysik Atom- och molekylfysik och optik hsv//swe
NATURAL SCIENCES Physical Sciences Atom and Molecular Physics and Optics hsv//eng
Molten salt reactor
point-kinetic component
Nuclear Science & Technology
neutron noise
fluid-fuel systems

Pazsit, Imre,1948Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)imre (author)
Chalmers tekniska högskola (creator_code:org_t)

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NATURAL SCIENCES: NATURAL SCIENCES; and Physical Science ...; and Atom and Molecul ...

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