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Heat transfer and critical heat fluxes in the boiling of aqueous solutions of polyethylene oxide at reduced pressures under natural-convection conditions

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Abstract

Experimental data are presented on heat transfer and critical heat fluxes in the boiling of aqueous solutions of polyethylene oxide of different concentrations under conditions of natural convection at atmospheric and reduced temperatures.

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Abbreviations

q:

heat flux

qcr :

critical heat flux

qcr.s :

critical heat flux during boiling under subheating conditions

ΔT:

overheating of heating surface relative to-saturation temperature

ΔTS :

subheating of liquid core to the saturation temperature

α:

heat-transfer coefficient

P:

pressure

ρ′, ρ″:

densities of the liquid and vapor

cp :

isobaric specific heat of water

r:

heat of vaporization

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Authors and Affiliations

  1. Institute of Thermophysics, Academy of Sciences of the USSR, Novosibirsk

    B. P. Avksentyuk & Z. S. Mesarkishvili

Authors
  1. B. P. Avksentyuk
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  2. Z. S. Mesarkishvili
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Additional information

Translated from Inzhenerno-Fizicheskii Zhurnal, Vol. 47, No. 1, pp. 24–28, July, 1984.

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Avksentyuk, B.P., Mesarkishvili, Z.S. Heat transfer and critical heat fluxes in the boiling of aqueous solutions of polyethylene oxide at reduced pressures under natural-convection conditions. Journal of Engineering Physics 47, 757–761 (1984). https://doi.org/10.1007/BF00832587

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  • DOI: https://doi.org/10.1007/BF00832587

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