Effect of natural convection and radiation inside of a hollow beam in a standard fire

Turo Välikangas, Sami Pajunen, Jolanta Baczkiewicz, Shobhana Singh, Kim Sørensen

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

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Abstract

paid on structural fire design in order to ensure a specified safe time period that the structure can withstand the fire without collapse. In the European design rules, the standard practise assumes uniform temperature for steel beam cross sections while the surrounding area is subjected to the so called standard fire. When the ambient temperature field is not uniform (e.g. at beam joint areas) neither will be the beam cross section temperature field. This paper studies the contribution of natural convection and cavity radiation to the temperature field of a hollow beam cross section in the case of non-uniform ambient temperature by using transient CFD-simulations.
Original languageEnglish
Title of host publicationProceedings of the the 58th SIMS Conference on Simulation and Modelling, SIMS 2017
Number of pages7
PublisherLinköping University Electronic Press
Publication dateSept 2017
Pages121-127
ISBN (Print)978-91-7685-417-4
Publication statusPublished - Sept 2017
Event58th SIMS Conference on Simulation and Modelling, SIMS 2017 - Orkustofnun - National Energy Authority, Reykjavik, Iceland
Duration: 25 Sept 201727 Sept 2017

Conference

Conference58th SIMS Conference on Simulation and Modelling, SIMS 2017
LocationOrkustofnun - National Energy Authority
Country/TerritoryIceland
CityReykjavik
Period25/09/201727/09/2017
SeriesLinköping Electronic Conference Proceedings
ISSN1650-3686

Keywords

  • Hollow beam
  • Natural convection
  • Cavity radiation
  • Structural fire design
  • Open-Foam

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