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On post-dryout heat transfer in channels with flow obstacles
KTH, School of Engineering Sciences (SCI), Physics, Reactor Physics.ORCID iD: 0000-0001-5595-1952
KTH, School of Engineering Sciences (SCI), Physics, Reactor Physics.
2014 (English)In: International Congress on Advances in Nuclear Power Plants, ICAPP 2014, 2014, Vol. 2, 1518-1523 p.Conference paper, Published paper (Refereed)
Abstract [en]

In this paper a new approach to predict wall temperature during post-dryout heat transfer in channels with flow obstacles is presented. The proposed approach takes into account the obstacle specifics and location in the channel to determine the post-dryout patch onset. The wall temperature in the dry patch area is predicted from Anghel and Anglart correlation to account for developing post-dryout conditions. The method is applied to post-dryout conditions in annulus with pin-spacers and a significant improvement of prediction accuracy in comparison to other reference methods is demonstrated.

Place, publisher, year, edition, pages
2014. Vol. 2, 1518-1523 p.
Keyword [en]
Nuclear energy, Nuclear power plants, Dry patches
National Category
Energy Engineering
Identifiers
URN: urn:nbn:se:kth:diva-168121Scopus ID: 2-s2.0-84907071689OAI: oai:DiVA.org:kth-168121DiVA: diva2:815723
Conference
International Congress on Advances in Nuclear Power Plants, ICAPP 2014; Charlotte, NC; United States
Note

QC 20150601

Available from: 2015-06-01 Created: 2015-05-27 Last updated: 2015-06-01Bibliographically approved

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Anglart, Henryk

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