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Experimental Investigation of the Heat-Engineering Characteristics of TVSA Fuel Assemblies With Mixing Lattices

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The results of experimental studies of the heat-engineering characteristics and critical heat transfer in 19-rod, electrically heated, models of the alternative heat assemblies TVSA with mixing lattices with deflectors, which secure in-row passage of the coolant, in the range of VVER-1000 coolant regime parameters are presented. The heat-engineering characteristics of a core with TVSA fuel assemblies with three mixing lattices for advanced VVER are determined. It is shown that mixing lattices combined with improved thermohydraulic characteristics of the corner construction of TVSA make it possible to increase the operational reliability of the fuel, implement an efficient fuel cycle, and additionally increase the reactor power to 110 % with maximum relative power of the fuel elements Krmax = 1.63.

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References

  1. O. B. Samoilov, A. I. Romanov, A. A. Fal’kov, and D. L. Shipov, “Development and validation TVSA with mixing lattices,” Proc. 7th Int. Sci.-Techn. Conf. Safe NPP with VVER, MNTK 2011, Podolsk, May 17–20, 2011, p. 82.

  2. O. B. Samoilov, A. A. Fal’kov, D. L. Shipov, et al., “Heat-engineering effects due to the use of mixing lattices-intensifiers in TVSA in VVER-1000,” Proc. 8th Int. Sci.-Techn. Conf. Safe NPP with VVER, MNTK 2013, Podolsk, May 28–31, 2013, p. 159.

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Authors and Affiliations

  1. Afrikantov Experimental Design Bureau of Mechanical Engineering (OKBM Afrikantov), Nizhnii Novgorod, Russia

    O. B. Samoilov, A. V. Kupriyanov, A. A. Fal’kov, D. L. Shipov, A. A. Molodtsov & V. E. Luk’yanov

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  1. O. B. Samoilov
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  2. A. V. Kupriyanov
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  3. A. A. Fal’kov
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  4. D. L. Shipov
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  5. A. A. Molodtsov
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  6. V. E. Luk’yanov
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Additional information

Translated from Atomnaya Énergiya, Vol. 116, No. 1, pp. 11–15, January, 2014.

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Samoilov, O.B., Kupriyanov, A.V., Fal’kov, A.A. et al. Experimental Investigation of the Heat-Engineering Characteristics of TVSA Fuel Assemblies With Mixing Lattices. At Energy 116, 14–19 (2014). https://doi.org/10.1007/s10512-014-9810-7

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  • DOI: https://doi.org/10.1007/s10512-014-9810-7

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