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TVT, 2007, Volume 45, Issue 6, Pages 905–916 (Mi tvt1214)  

This article is cited in 18 scientific papers (total in 18 papers)

Heat and Mass Transfer and Physical Gasdynamics

Transient processes in falling films of liquid under conditions of unsteady-state heat release

A. N. Pavlenko, A. S. Surtaev, A. m. Matsekh

S.S. Kutateladze Institute of Thermophysics, Siberian Division of the Russian Academy of Sciences

Abstract: Results are given of experimental investigation of the dynamics of development of heat transfer and critical phenomena in falling wavy films of nitrogen under conditions of unsteady-state heat release from the surface of a thin-walled heater. The experiments involve the investigation of transient modes with formation of dry spots and development of dryout in the case of stepwise and quasi-steady laws of heat release. It is demonstrated that the disintegration of laminar-wavy film of liquid in the case of low heat flux in critical modes under conditions of stepwise increase involves the emergence of metastable regular structures with jets of liquid and large-scale non-wetted zones between them. The generalization of experimental data is used to demonstrate that the value of characteristic transverse dimension between jets of liquid is more than twice the respective values obtained under conditions of steady-state heat release with boundary condition $T_{heater} \sim const$. In the case of high heat flux, the vigorous boiling of liquid leads to a rapid ejection of liquid in the form of droplets and to complete drying (almost simultaneously) of the entire heat-emitting surface. Experimental data are obtained on the times of expectation of boiling of liquid, of development of regular structures, and of drying of the heat-emitting surface as functions of heat flux in the range of variation of Reynolds number $Re_{in} = 90$–$1690$. It follows from analysis of experimental data that, in calculating the time of expectation of boiling of liquid in the case of stepwise heat release in the investigated range of variation of heat flux, one must take into account the development of intense evaporation from the free surface of laminar-wavy film.

Full text: PDF file (1750 kB)

English version:
High Temperature, 2007, 45:6, 826–836

Bibliographic databases:

UDC: 536.248
PACS: 47.15.gm
Received: 27.08.2006

Citation: A. N. Pavlenko, A. S. Surtaev, A. m. Matsekh, “Transient processes in falling films of liquid under conditions of unsteady-state heat release”, TVT, 45:6 (2007), 905–916; High Temperature, 45:6 (2007), 826–836

Citation in format AMSBIB
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\by A.~N.~Pavlenko, A.~S.~Surtaev, A.~m.~Matsekh
\paper Transient processes in falling films of liquid under conditions of unsteady-state heat release
\jour TVT
\yr 2007
\vol 45
\issue 6
\pages 905--916
\mathnet{http://mi.mathnet.ru/tvt1214}
\elib{https://elibrary.ru/item.asp?id=9568227}
\transl
\jour High Temperature
\yr 2007
\vol 45
\issue 6
\pages 826--836
\crossref{https://doi.org/10.1134/S0018151X07060144}
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    Citing articles on Google Scholar: Russian citations, English citations
    Related articles on Google Scholar: Russian articles, English articles

    This publication is cited in the following articles:
    1. B. G. Pokusaev, D. A. Nekrasov, E. A. Tairov, “Modeling of boiling of subcooled water and ethanol under conditions of pulsed heat generation in a wall”, High Temperature, 50:1 (2012), 84–90  mathnet  crossref  isi  elib  elib
    2. A. N. Pavlenko, A. S. Surtaev, A. N. Tsoi, I. P. Starodubtseva, V. S. Serdyukov, “Dynamics of a superheated surface rewetting with a falling liquid film”, High Temperature, 52:6 (2014), 861–868  mathnet  crossref  crossref  isi  elib  elib
    3. Chernyavskii A.N., Pavlenko A.N., “Numerical Simulation of Unsteady-State Heat Transfer in Falling Wavy Films of Liquid”, Tech. Phys. Lett., 40:12 (2014), 1039–1041  crossref  isi  elib
    4. Vinogradov A.V. Skokov V.N. Koverda V.P., “Stochastic Resonant Response in the Transient Boiling Regime With Periodic Heat Release”, Dokl. Phys., 59:10 (2014), 449–452  crossref  isi  elib
    5. Pavlenko A.N. Tairov E.A. Zhukov V.E. Levin A.A. Moiseev M.I., “Dynamics of Transient Processes At Liquid Boiling-Up in the Conditions of Free Convection and Forced Flow in a Channel Under Nonstationary Heat Release”, J. Eng. Thermophys., 23:3 (2014), 173–193  crossref  mathscinet  isi  elib
    6. Surtaev A. Pavlenko A., “Observation of Boiling Heat Transfer and Crisis Phenomena in Falling Water Film At Transient Heating”, Int. J. Heat Mass Transf., 74 (2014), 342–352  crossref  isi  elib
    7. Chernyavskiy A.N., “Calculation of Decay Parameters For the Wavy Film Flow At Unsteady Heat Release”, Thermophys. Aeromechanics, 21:1 (2014), 57–64  crossref  isi  elib
    8. V. B. Alekseev, V. I. Zalkind, Yu. A. Zeigarnik, D. V. Marinichev, V. L. Nizovskiy, L. V. Nizovskiy, “On the nature of bimodal drop distribution over sizes under superheated water atomization”, High Temperature, 53:2 (2015), 214–216  mathnet  crossref  crossref  isi  elib  elib
    9. Tsoi A.N., Pavlenko A.N., “Enhancement of Transient Heat Transfer At Boiling on a Plate Surface With Low Thermoconductive Coatings”, Thermophys. Aeromechanics, 22:6 (2015), 707–712  crossref  isi
    10. V. N. Skokov, A. V. Vinogradov, A. V. Reshetnikov, V. P. Koverda, “Stoichastic resonance in the crisis boiling regime under periodic heat release”, High Temperature, 54:3 (2016), 344–348  mathnet  crossref  crossref  isi  elib
    11. A. N. Pavlenko, A. N. Tsoi, A. S. Surtaev, D. V. Kuznetsov, V. S. Serdyukov, “Effect of a low-thermal-conductive coating on the dynamics of rewetting of overheated plate by falling liquid film”, High Temperature, 54:3 (2016), 370–376  mathnet  crossref  crossref  isi  elib
    12. 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”, High Temperature, 54:5 (2016), 708–715  mathnet  crossref  crossref  isi  elib
    13. Shatskii E.N. Chinnov E.A. Zaitsev D.V. Semenov A.A. Kabov O.A., “The Effect of Liquid Viscosity on the Formation of Thermocapillary Structures”, Tech. Phys. Lett., 43:12 (2017), 1080–1083  crossref  isi  scopus
    14. Chernyayskiy A.N., Pavlenko A.N., “Numerical Simulation of Heat Transfer and Determination of Critical Heat Fluxes At Nonsteady Heat Generation in Falling Wavy Liquid Films”, Int. J. Heat Mass Transf., 105 (2017), 648–654  crossref  isi  scopus
    15. Chernyavskiy A.N., Pavlenko A.N., Joint 12Th International Conference: Two-Phase Systems For Space and Ground Applications and 2Nd International School of Young Scientists Interfacial Phenomena and Heat Transfer, Journal of Physics Conference Series, 925, eds. Kabov O., Lyulin Y., Zaitsev D., IOP Publishing Ltd, 2017  crossref  isi  scopus
    16. A. N. Pavlenko, A. N. Tsoi, A. S. Surtaev, D. V. Kuznetsov, V. I. Kalita, D. I. Komlev, A. Yu. Ivannikov, A. A. Radyuk, “Experimental study of rewetting of a superheated plate with structured capillary-porous coating by flowing liquid film”, High Temperature, 56:3 (2018), 404–409  mathnet  crossref  crossref  isi  elib  elib
    17. Chernyavskiy A.N., Pavlenko A.N., “Numerical Simulation of Wave Formation and Heat Transfer in Falling Liquid Films At Unsteady Heat Release”, J. Eng. Thermophys., 29:1 (2020), 181–185  crossref  isi  scopus
    18. Chernyavskiy A.N., Pavlenko A.N., XXXVI Siberian Thermophysical Seminar (Sts 36), Journal of Physics Conference Series, 1677, IOP Publishing Ltd, 2020  crossref  isi  scopus
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