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- Demaziere, Christophe,1973Chalmers tekniska högskola,Chalmers University of Technology (author)
CORE SIM: A multi-purpose neutronic tool for research and education
- Article/chapterEnglish2011
Publisher, publication year, extent ...
- Elsevier BV,2011
Numbers
- LIBRIS-ID:oai:research.chalmers.se:328fda42-f4f0-47ab-a29f-5f4818f029f7
- https://doi.org/10.1016/j.anucene.2011.06.010DOI
- https://research.chalmers.se/publication/150808URI
Supplementary language notes
- Language:English
- Summary in:English
Part of subdatabase
- SwePubSwePub
Classification
Notes
- This paper deals with the development, validation, and demonstration of an innovative neutronic tool. The novelty of the tool resides in its versatility, since many different systems can be investigated and different kinds of calculations can be performed. More precisely, both critical systems and subcritical systems with an external neutron source can be studied, and static and dynamic cases in the frequency domain (i.e. for stationary fluctuations) can be considered. In addition, the tool has the ability to determine the different eigenfunctions of any nuclear core. For each situation, the static neutron flux, the different eigenmodes and eigenvalues, the first-order neutron noise, and their adjoint functions are estimated, as well as the effective multiplication factor of the system. The main advantages of the tool, which is entirely MatLab based, lie with the robustness of the implemented numerical algorithms, its high portability between different computer platforms and operative systems, and finally its ease of use since no input deck writing is required. The present version of the tool, which is based on two-group diffusion theory, is mostly suited to investigate thermal systems. The definition of both the static and dynamic core configurations directly from the static macroscopic cross-sections and their fluctuations, respectively, makes the tool particularly well suited for research and education. Some of the many benchmark cases used to validate the tool are briefly reported. The static and dynamic capabilities of the tool are also demonstrated for the following configurations: a vibrating control rod, a perturbation traveling upwards with the core flow, and a high frequency localized perturbation. The tool is freely available on direct request to the author of the present paper.
Subject headings and genre
- NATURVETENSKAP Fysik hsv//swe
- NATURAL SCIENCES Physical Sciences hsv//eng
- Model development
- Dynamic calculations
- vibrations
- Core calculations
- noise-analysis
- Neutron
- Static calculations
- Benchmarking
- diagnostics
- 2-group
- bwr
- noise
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- Chalmers tekniska högskola (creator_code:org_t)
Related titles
- In:Annals of Nuclear Energy: Elsevier BV38:12, s. 2698-27180306-45491873-2100
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