Mechanistic modelling of dryout and Post-Dryout Heat Transfer

Henryk Anglart , Grzegorz Niewiński , Li Haipeng

Abstract

In this paper a new mechanistic model for the diabatic annular two-phase flow is presented and applied to prediction of dryout and post-dryout heat transfer in various channels. The model employs a computational fluid dynamics code – OpenFOAM® – to solve the governing equations of two-phase mixture flowing in a heated channel. Additional closure laws have been implemented to calculate the location of the dryout and to predict wall temperature in the post-dryout region. Calculated results have been compared with experimental data obtained in pipes and good agreement between predictions and measurements has been achieved. The presented model is applicable to complex geometries and thus can be used for prediction of post-dryout heat transfer in a wide variety of energy conversion systems.
Author Henryk Anglart - KTH Royal Institute of Technology (KTH)
Henryk Anglart,,
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, Grzegorz Niewiński (FPAE / IHE)
Grzegorz Niewiński,,
- The Institute of Heat Engineering
, Li Haipeng - KTH Royal Institute of Technology (KTH)
Li Haipeng,,
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Journal seriesEnergy, ISSN 0360-5442, (A 45 pkt)
Issue year2018
Pages1-21
Publication size in sheets1
Keywords in EnglishDryoutPost-DryoutAnnular FlowLiquid FilmDroplets
DOIDOI:10.1016/j.energy.2018.07.011
URL https://www.sciencedirect.com/science/article/pii/S0360544218312994
Languageen angielski
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Mechanistic modelling of dryout and Post-Dryout Heat Transfer.pdf of 17-07-2018
1.02 MB
Score (nominal)45
ScoreMinisterial score = 45.0, 17-07-2018, ArticleFromJournal
Ministerial score (2013-2016) = 45.0, 17-07-2018, ArticleFromJournal
Publication indicators WoS Impact Factor: 2016 = 4.52 (2) - 2016=5.182 (5)
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* presented citation count is obtained through Internet information analysis and it is close to the number calculated by the Publish or Perish system.
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