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Atomic Energy

, Volume 125, Issue 5, pp 307–313 | Cite as

Model Studies of Interloop Coolant Mixing in VVER-1000 in-Reactor Pressure Channel

  • V. G. Krapivtsev
  • V. I. Solonin
Article
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Experimental studies of the mixing of loop flows of coolant in an in-reactor pressure channel of the VVER-1000 model reactor are presented. The water temperature was measured after the bottom of the model shaft upon feeding into one of the loops a flow heated by 70–80°C compared with the entry temperatures of other loops. The studies were performed with different flow rates in the loops. The design particulars of a VVER-1000 pressure channel model and the method of measuring the temperature in the flow after the shaft bottom are described. The temperature distribution after the bottom of the model shaft is represented in the form of isotherms. It is shown that their position relative to the connection pieces as well as the boundaries of the mixing region of the flows depends on the flow through the loops.

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References

  1. 1.
    V. P. Spasskov, Yu. G. Dragunov, S. B. Ryzhov, et al., Computational Validation of the Thermohydraulic Characteristics of a Reactor and Reactor Facility with VVER, ITsK Akademkniga, Moscow (2004).Google Scholar
  2. 2.
    Yu. Bezrukov, Yu. Dragunov, and S. Logvinov, “Study of coolant mixing in the VVER vessel,” in: Symp. of AER on VVER Reactor Physics and Reactor Safety, Drezden, Germany, Sept. 22–26, 2003, pp. 61–73.Google Scholar
  3. 3.
    S. A. Logvinov, Yu. A. Bezrukov, and Yu. G. Dragunov, Experimental Validation of the Thermohydraulic Reliability of VVER Reactors, IKTs Akademkniga, Moscow (2004).Google Scholar
  4. 4.
    U. Rohde, S. Kliem, T. Hohne, et al., “Fluid mixing and flow distribution in the reactor circuit, measurement data base,” Nucl. Eng. Des., No. 235, 421–433 (2005).Google Scholar
  5. 5.
    U. Bieder, G. Fauchet, S. Betin, et al., “Simulation of mixing effects in a VVER-1000 reactor,” Nucl. Eng. Des., No. 237, 1718–1727 (2007).Google Scholar
  6. 6.
    V. G. Krapivtsev, “Model studies of the hydrodynamics of coolant flow in an in-reactor pressure channel in VVER-1000,” At. Energ., 122, No. 5, 253–258 (2017).CrossRefGoogle Scholar
  7. 7.
    S. S. Kutateladze, Similarity Analysis and Physical Models, Nauka, Novosibirsk (1986).zbMATHGoogle Scholar
  8. 8.
    S. I. Isaev, I. A. Kozhinov, V. I. Kofanov, et al., Theory of Heat and Mass Transfer, A. I. Leont’ev (ed.), Izd. MGTU im. Baumana, Moscow (1997).Google Scholar

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© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  • V. G. Krapivtsev
    • 1
  • V. I. Solonin
    • 1
  1. 1.Bauman Moscow State Technical University (BMSTU)MoscowRussia

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