The results of experimental studies of lead-to-wall heat transfer during transverse flow over a straight-line tube bundle in a steam generator in the circulation loop during monitored and controlled mass-exchange and mass-transfer of oxygen impurities are presented. The investigations were performed in a nonisothermal loop with circulation of lead coolant at temperature 450–550°C, average coolant velocity in a narrow-gap section 0.2–1.5 m/sec, Peclet number 900–3000, and thermodynamic activity of oxygen in lead 1–10–4. The processes occurring in a nonisothermal liquid-metal loop with an experimental cooling section model the dependence of the characteristics of heat exchange on the mass transfer of impurities in the loop.
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Translated from Atomnaya Énergiya, Vol. 118, No. 5, pp. 266–271, May, 2015.
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Beznosov, A.V., Yarmonov, M.V., Novozhilova, O.O. et al. Experimental Investigations of the Thermohydraulic Characteristics of Transverse Lead-Coolant Flow over the Tubes of a Steam Generator. At Energy 118, 331–336 (2015). https://doi.org/10.1007/s10512-015-0002-x
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DOI: https://doi.org/10.1007/s10512-015-0002-x