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TVT, 2016, Volume 54, Issue 5, Pages 753–760 (Mi tvt9326)  

This article is cited in 2 scientific papers (total in 2 papers)

Heat and Mass Transfer and Physical Gasdynamics

Initiation of convection flows in the wall granular layer in the problem of boiling of subcooled coolant

B. G. Pokusaev, S. P. Karlov, D. A. Nekrasov, N. S. Zakharov

Moscow State University of Mechanical Engineering "MAMI"

Abstract: A computational model of boiling of a subcooled liquid in the wall granular layer has been developed on the basis of new experimental data on initiation and evolution of convective flows during nonstationary heating of the wall. The influence of the thermophysical properties of the batch elements on the temperature distribution in the wall region has been studied. The characteristic features of initiation of microconvection in a model cell have been revealed, and the impact of microconvection on the conditions of vapor bubble nucleation depending on the initial subcooling and the extent of the delivered heat flux has been established. New experimental data on limiting heat fluxes that cause microconvection have been obtained with the help of a gradient heat flux sensor for different combinations of the properties of the liquid and the particles of the granular layer model.

Funding Agency Grant Number
Russian Science Foundation 15-19-00177
Russian Foundation for Basic Research 14-08-00626
This work was supported by the Russian Scientific Foundation, project no. 15-19-00177, concerning the experimental and numerical modeling of the temperature fields, and in part by the Russian Foundation for Basic Research, project no. 14-08-00626, concerning the investigations of the convection mechanism.

DOI: https://doi.org/10.7868/S0040364416040190

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English version:
High Temperature, 2016, 54:5, 708–715

Bibliographic databases:

UDC: 536.242
Received: 13.10.2015

Citation: B. G. Pokusaev, S. P. Karlov, D. A. Nekrasov, N. S. Zakharov, “Initiation of convection flows in the wall granular layer in the problem of boiling of subcooled coolant”, TVT, 54:5 (2016), 753–760; High Temperature, 54:5 (2016), 708–715

Citation in format AMSBIB
\by B.~G.~Pokusaev, S.~P.~Karlov, D.~A.~Nekrasov, N.~S.~Zakharov
\paper Initiation of convection flows in the wall granular layer in the problem of boiling of subcooled coolant
\jour TVT
\yr 2016
\vol 54
\issue 5
\pages 753--760
\jour High Temperature
\yr 2016
\vol 54
\issue 5
\pages 708--715

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    This publication is cited in the following articles:
    1. M. M. Ramazanov, D. A. Alkhasova, “Mathematical model of heat and mass transfer in a geothermal reservoir on extraction of steam and water mixture”, High Temperature, 55:2 (2017), 273–279  mathnet  crossref  crossref  isi  elib
    2. B. Pokusaev, A. Vyazmin, N. Zakharov, S. Karlov, D. Nekrasov, V. Reznik, D. Khramtsov, “Non-stationary heat transfer in gels applied to biotechnology”, Therm. Sci., 21:5 (2017), 2237–2246  crossref  isi  scopus
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