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Hydrodynamics and heat transfer of a water flow with supercritical parameters in a vertical assembly of fuel elements

  • Heat Conduction and Heat Transfer in Technological Processes
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Journal of Engineering Physics and Thermophysics Aims and scope

Water flow in a hexahedral seven-rod fuel assembly at supercritical pressure has been modeled. Consideration has been given to nonstationary regimes of this flow in the case of a stepwise increase in the heat flux on the fuelelement surface and of a drop in the flow rate of the coolant at entry. Numerical investigation of the processes of hydrodynamics and heat transfer was based on the RNG k–ε turbulence model; equations of state of the IF-97 formulation were used. Hydrodynamic and thermal characteristics of the coolant flow in the indicated assembly have been obtained as a result of the modeling.

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Authors and Affiliations

  1. Institute of Technical Thermophysics, National Academy of Sciences of Ukraine, 2a Zhelyabov Str., Kiev, 03057, Ukraine

    A. A. Avramenko, E. A. Kondrat′eva, M. M. Kovetskaya & A. I. Tyrinov

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  1. A. A. Avramenko
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  2. E. A. Kondrat′eva
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  3. M. M. Kovetskaya
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  4. A. I. Tyrinov
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Corresponding author

Correspondence to A. A. Avramenko.

Additional information

Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 86, No. 4, pp. 760–767, July–August, 2013.

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Avramenko, A.A., Kondrat′eva, E.A., Kovetskaya, M.M. et al. Hydrodynamics and heat transfer of a water flow with supercritical parameters in a vertical assembly of fuel elements. J Eng Phys Thermophy 86, 811–819 (2013). https://doi.org/10.1007/s10891-013-0899-7

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  • DOI: https://doi.org/10.1007/s10891-013-0899-7

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