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Critical heat flux in a boiling aqueous dispersion of nanoparticles

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Abstract

The effect of nanoparticles in an aqueous dispersion (nanofluid) on the critical heat flux (CHF) removed by boiling liquid from a heat-exchange surface has been studied. It is shown that a nanoparticles layer formed on the heated surface in the course of boiling possesses a hierarchical structure. Hydrophilic properties of this layer and its high permeability facilitating the supply of liquid to vapor bubbles lead to an increase in the CHF density.

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Authors and Affiliations

  1. Polzunov Research and Production Association for Investigation and Design of Power-Generating Equipment, St. Petersburg, 193187, Russia

    B. S. Fokin, M. Ya. Belenkiy, V. I. Almjashev, V. B. Khabensky, O. V. Almjasheva & V. V. Gusarov

  2. Semenov Institute of Chemical Physics (St. Petersburg Division), Russian Academy of Sciences, St. Petersburg, 194021, Russia

    B. S. Fokin, M. Ya. Belenkiy, V. I. Almjashev, V. B. Khabensky, O. V. Almjasheva & V. V. Gusarov

Authors
  1. B. S. Fokin
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  2. M. Ya. Belenkiy
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  3. V. I. Almjashev
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  4. V. B. Khabensky
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  5. O. V. Almjasheva
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  6. V. V. Gusarov
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Corresponding author

Correspondence to B. S. Fokin.

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Original Russian Text © B.S. Fokin, M.Ya. Belenkiy, V.I. Almjashev, V.B. Khabensky, O.V. Almjasheva, V.V. Gusarov, 2009, published in Pis’ma v Zhurnal Tekhnicheskoĭ Fiziki, 2009, Vol. 35, No. 10, pp. 1–5.

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Fokin, B.S., Belenkiy, M.Y., Almjashev, V.I. et al. Critical heat flux in a boiling aqueous dispersion of nanoparticles. Tech. Phys. Lett. 35, 440–442 (2009). https://doi.org/10.1134/S1063785009050162

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  • DOI: https://doi.org/10.1134/S1063785009050162

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