Abstract
The article discusses turbulent heat transfer in media with small Prandtl numbers (Pr≪1 for liquid metals). In this case, the thermal sublayer is Pr-1 times thicker than the viscous sublayer. It is established that the coefficient of turbulent heat transfer varies in the thermal sublayer proportionally to the second power of the distance to the wall; the ratio of the coefficients of the turbulent transfer of heat and momentum in this region decreases in accordance with a linear law with approach to the wall. The conclusions of the theory are compared with the experimental data of other authors.
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L. S. Kokorev, “The ratio of the coefficients of the turbulent transfer of heat and momentum in a turbulent flow of liquid metal,” in: Liquid Metals [in Russian], Izd. Gosatomizdat, Moscow (1963), p. 27.
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Translated from Zhurnal Prikladnoi Mekhaniki i Tekhnicheskoi Fiziki, No. 6, pp. 59–64, November–December, 1975.
The author is grateful to S. S. Kutateladze and V. E. Nakoryakov for evaluating the results of the work.
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Geshev, P.I. Turbulent heat transfer in a flow of liquid metal near the wall. J Appl Mech Tech Phys 16, 886–890 (1975). https://doi.org/10.1007/BF00852815
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DOI: https://doi.org/10.1007/BF00852815