Application of Surface Harmonics in the Stepan Code

Application of Surface Harmonics in the Stepan Code

The results of a calculation of critical assemblies and an RBMK core using the STEPAN-MPG code are presented. It is shown that the computational results obtained by calculating the surface harmonics are identical to the measurements for critical assemblies and for real states of an RBMK core without...

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Veröffentlicht in:Atomic energy (New York, N.Y.) N.Y.), 2016-09, Vol.120 (5), p.305-311
Hauptverfasser: Balygin, A. A., Gol’tsev, A. O., Kovalishin, A. A., Krayushkin, A. V., Laletin, I. N., Sultanov, N. V., Tishkin, Yu. A., Tsvetkov, T. V.
Format: Artikel
Sprache:eng
Schlagworte:
Adjustment
Analysis
Approximation
Assemblies
Codes
Eigenvalues
Energy distribution
Energy use
Hadrons
Harmonics
Heavy Ions
Homogenization
Mathematical analysis
Nuclear Chemistry
Nuclear Energy
Nuclear Physics
Nuclear power plants
Nuclear reactors
Parameters
Physics
Physics and Astronomy
RBMK
Studies
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Zusammenfassung:The results of a calculation of critical assemblies and an RBMK core using the STEPAN-MPG code are presented. It is shown that the computational results obtained by calculating the surface harmonics are identical to the measurements for critical assemblies and for real states of an RBMK core without the use of adjustable parameters. In addition, the method of surface harmonics makes it possible to perform a fuelelement-wise calculation of the energy release distribution in any RBMK cell by using neutron fl uxes obtained from coarse-grid calculations.
ISSN:1063-4258
1573-8205
DOI:10.1007/s10512-016-0135-6