Heat transfer under natural convection of liquid metal during its boiling in a system of channels

Efanov, A. D.; Сорокин, А. П.; Ivanov, E.F.; Bogoslovskaya, G. P.; Иванов, В. В.; Volkov, A.D.; Sorokin, G. A.; Zueva, I. R.

doi:10.1134/s0040601507030081

Cited by 11 publications

(1 citation statement)

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“…Liquid metals (low Prandtl number liquids) have drawn attentions from researchers due to their wide applications in various fields such as nuclear reactors (Kang et al, 2016;Kang et al, 2013;Efanov et al, 2007;El-Genk and Tournier, 2011), crystal growth (Akour and Jarrah, 2005), semiconductor manufacturing process (Eslamia and Saghir, 2011), heat dissipation of electronic devices (Ma and Liu, 2007) and other fields. The flow condition of natural convection of liquid metal have impacts on the heat transfer or mass transfer of the whole process.…”

Section: Introductionmentioning

confidence: 99%

Double-Diffusive Natural Convection of Low Prandtl Number Liquids With Soret and Dufour Effects

Yang¹,

Gang²,

Wang³

et al. 2018

Frontiers in Heat and Mass Transfer

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An unsteady numerical model for double-diffusive natural convection of low Prandtl number liquids with Soret and Dufour effects inside the horizontal cavity is developed. The thermosolutal model is solved numerically using the SIMPLE algorithm with QUICK scheme. The flow field, temperature and concentration distributions for different buoyancy ratios, Rayleigh numbers and aspect ratios under different Prandtl numbers are studied systematically. The results reveal that the flow structure develops from conduction-dominated to convection as buoyancy ratio increases under different Prandtl numbers. Heat transfer intensity keeps constant and mass transfer intensity grows slowly before a critical point as Rayleigh number increases for different Prandtl numbers. Then heat transfer intensity enhances dramatically and mass transfer intensity increases faster as Rayleigh number increases after a critical point. The vortex number of flow structure, recirculation zones of isotherm and isoconcentration contours, heat and mass transfer intensity increase as aspect ratio decreases under different Prandtl numbers.

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