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Teplofizika vysokikh temperatur, 2021, Volume 59, Issue 2, Pages 203–211
DOI: https://doi.org/10.31857/S0040364421010129
(Mi tvt11374)
 

This article is cited in 7 scientific papers (total in 7 papers)

Heat and Mass Transfer and Physical Gasdynamics

Heat transfer in supercritical fluids: Reconciling the results of pulse and stationary experiments

S. B. Ryutin, P. V. Skripov

Institute of Thermal Physics, Ural Branch, Russian Academy of Sciences, Ekaterinburg
Full-text PDF (848 kB) Citations (7)
Abstract: The article is devoted to the generalization of the results of pulse experiments performed under conditions of powerful heat release in supercritical-pressure liquids. The characteristic heating time was changed from $10^{-3}$ to $10^{-2}$ s, while the heat flux density through the probe surface was increased up to $10$ MW/m$^2$. The parameters of the discussion are the values of the speed of crossing the vicinity of the critical temperature and pressure reduced to the critical one. These results obtained for “heater–probe/supercritical fluid” system and based solely on comparison of the primary data indicate a threshold decrease in the intensity of heat transfer near the critical temperature. The purpose of this summary is to suggest a relatively simple approach to reconciling the pulse heating results with the peaks of thermophysical properties derived from experiments in stationary conditions. It is assumed that the action of gradient in temperature and the presence of heat-transfer surface can serve as factors that suppress large-scale fluctuations in pulse heated system, leading to a “smoothing” the critical enhancement of the properties.
Funding agency Grant number
Russian Science Foundation 19-19-00115
This study was supported by the Russian Science Foundation, project no. 19-19-00115.
Received: 19.03.2020
Revised: 02.06.2020
Accepted: 18.06.2020
English version:
High Temperature, 2021, Volume 59, Issue 2, Pages 178–185
DOI: https://doi.org/10.1134/S0018151X21010120
Bibliographic databases:
Document Type: Article
UDC: 536.24
Language: Russian
Citation: S. B. Ryutin, P. V. Skripov, “Heat transfer in supercritical fluids: Reconciling the results of pulse and stationary experiments”, TVT, 59:2 (2021), 203–211; High Temperature, 59:2 (2021), 178–185
Citation in format AMSBIB
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\by S.~B.~Ryutin, P.~V.~Skripov
\paper Heat transfer in supercritical fluids: Reconciling the results of pulse and stationary experiments
\jour TVT
\yr 2021
\vol 59
\issue 2
\pages 203--211
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\crossref{https://doi.org/10.31857/S0040364421010129}
\elib{https://elibrary.ru/item.asp?id=45794913}
\transl
\jour High Temperature
\yr 2021
\vol 59
\issue 2
\pages 178--185
\crossref{https://doi.org/10.1134/S0018151X21010120}
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  • https://www.mathnet.ru/eng/tvt/v59/i2/p203
  • This publication is cited in the following 7 articles:
    Citing articles in Google Scholar: Russian citations, English citations
    Related articles in Google Scholar: Russian articles, English articles
    Teplofizika vysokikh temperatur Teplofizika vysokikh temperatur
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