Teplofizika vysokikh temperatur
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Teplofizika vysokikh temperatur, 2022, Volume 60, Issue 3, Pages 399–406
DOI: https://doi.org/10.31857/S004036442202017X
(Mi tvt11511)
 

This article is cited in 2 scientific papers (total in 2 papers)

Heat and Mass Transfer and Physical Gasdynamics

Studies of the hydrodynamics of the coolant behind mixing intensifier grids of fuel assemblies of a PWR reactor

S. M. Dmitriev, A. A. Dobrov, D. V. Doronkov, D. S. Doronkova, M. A. Legchanov, A. N. Pronin, A. V. Ryazanov, A. E. Khrobostov

Nizhny Novgorod State Technical University
Abstract: This paper presents the results of studies of the coolant flow behind intensifier grids of TVS-Kvadrat fuel assemblies. To evaluate the efficiency of coolant mixing behind intensifier grids of various designs and select an optimal design for them, a number of experiments were carried out on an aerodynamic research stand with scale models of fuel assembly fragments. As an example area of research, the cells of the area of the guide channel are selected. The picture of the coolant flow consists of vector fields of tangential velocities, as well as graphic dependences of the distribution of transverse velocities. Evaluation of the efficiency of mixing the coolant by intensifier grids was carried out on the basis of an analysis of the parameters of intracell vortex formation and intercell mixing. An analysis of the spatial distribution of tangential flow velocities made it possible to study and detail the picture of the coolant flow, as well as to evaluate the efficiency of flow mixing in TVS-Kvadrat. The results of the experiments are used to justify the design of the cores of PWR reactors.
Funding agency Grant number
Ministry of Science and Higher Education of the Russian Federation FSWE-2021-0008
This work was carried out within the framework of a state order in the area of scientific work, subject no. FSWE-2021-0008.
Received: 03.11.2020
Revised: 12.05.2021
Accepted: 19.05.2021
English version:
High Temperature, 2022, Volume 60, Issue 3, Pages 358–365
DOI: https://doi.org/10.1134/S0018151X2202016X
Bibliographic databases:
Document Type: Article
UDC: 621.039
Language: Russian
Citation: S. M. Dmitriev, A. A. Dobrov, D. V. Doronkov, D. S. Doronkova, M. A. Legchanov, A. N. Pronin, A. V. Ryazanov, A. E. Khrobostov, “Studies of the hydrodynamics of the coolant behind mixing intensifier grids of fuel assemblies of a PWR reactor”, TVT, 60:3 (2022), 399–406; High Temperature, 60:3 (2022), 358–365
Citation in format AMSBIB
\Bibitem{DmiDobDor22}
\by S.~M.~Dmitriev, A.~A.~Dobrov, D.~V.~Doronkov, D.~S.~Doronkova, M.~A.~Legchanov, A.~N.~Pronin, A.~V.~Ryazanov, A.~E.~Khrobostov
\paper Studies of the hydrodynamics of the coolant behind mixing intensifier grids of fuel assemblies of a~PWR reactor
\jour TVT
\yr 2022
\vol 60
\issue 3
\pages 399--406
\mathnet{http://mi.mathnet.ru/tvt11511}
\crossref{https://doi.org/10.31857/S004036442202017X}
\elib{https://elibrary.ru/item.asp?id=49455039}
\transl
\jour High Temperature
\yr 2022
\vol 60
\issue 3
\pages 358--365
\crossref{https://doi.org/10.1134/S0018151X2202016X}
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  • https://www.mathnet.ru/eng/tvt11511
  • https://www.mathnet.ru/eng/tvt/v60/i3/p399
  • This publication is cited in the following 2 articles:
    Citing articles in Google Scholar: Russian citations, English citations
    Related articles in Google Scholar: Russian articles, English articles
    Teplofizika vysokikh temperatur Teplofizika vysokikh temperatur
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