Experimental Investigations of Coolant Mixing in TVSA with Intensifier-Grids

The results of experimental investigations of coolant mixing in TVSA with pass-through type mixing grids are presented. The tracer method was used in characteristic areas inside the fuel assemblies – a field of standard cells, cells near a guide channel, and peripheral, and corner regions of the fue...

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Bibliographic Details
Published in:Atomic energy (New York, N.Y.) N.Y.), 2022-08, Vol.132 (4), p.208-211
Main Authors: Dmitriev, S. M., Demkina, T. D., Doronkov, D. V., Doronkova, D. S., Pronin, A. N., Ryazanov, A. V., Solntsev, D. N., Khrobostov, A. E.
Format: Article
Language:English
Subjects:
Assemblies
Coolants
Energy industry
Fuels
Hadrons
Heavy Ions
Nuclear Chemistry
Nuclear Energy
Nuclear Physics
Nuclear power plants
Physics
Physics and Astronomy
Reynolds number
Tracers (Biology)
Vortices
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Summary:The results of experimental investigations of coolant mixing in TVSA with pass-through type mixing grids are presented. The tracer method was used in characteristic areas inside the fuel assemblies – a field of standard cells, cells near a guide channel, and peripheral, and corner regions of the fuel assemblies as well as the gap between adjacent assemblies. The tracer concentration fields were determined for each characteristic area, which made it possible to evaluate the coolant mixing efficiency in them.
ISSN:1063-4258
1573-8205
DOI:10.1007/s10512-023-00929-0