Computer models of gas-dynamic processes of radionuclides behavior in thermal emission converter of nuclear power plant

The paper is devoted to the application of numerical solution of the Boltzmann equation method for modeling the behavior of radionuclides (Xe and Kr) in the inter-electrode gap and the vacuum-cesium channel of a thermionic reactor-converter, which is used in a space nuclear power generator. In this...

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Bibliographic Details
Published in:Journal of physics. Conference series 2020-06, Vol.1560 (1), p.12063
Main Authors: Sherbakov, D V, Kloss, Yu Yu, Yu Lyubimov, D, Orazbaev, A N, Tcheremissine, F G, Tataurov, P A, Knyazev, A N
Format: Article
Language:English
Subjects:
Algorithms
Boltzmann transport equation
Cesium
Converters
Mathematical analysis
Nuclear power plants
Physics
Radioisotopes
Thermal emission
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Summary:The paper is devoted to the application of numerical solution of the Boltzmann equation method for modeling the behavior of radionuclides (Xe and Kr) in the inter-electrode gap and the vacuum-cesium channel of a thermionic reactor-converter, which is used in a space nuclear power generator. In this work, we developed modeling techniques and implemented them in a software package, that is using the algorithm of simultaneous calculations for the left side of the Boltzmann equation. We performed series of calculations for different initial flux of radionuclides and evaluated the dependence of the radionulcides output flux on the input flux for two areas of the reactor.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/1560/1/012063