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The effect of thermochromic coatings of VO2 on the fire performance of windows
RISE Research Institutes of Sweden.ORCID iD: 0000-0002-4687-9554
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Structural and Fire Engineering. RISE Research Institutes of Sweden.ORCID iD: 0000-0002-7140-4737
2018 (English)In: Fire and Materials, ISSN 0308-0501, E-ISSN 1099-1018Article in journal (Refereed) Epub ahead of print
Abstract [en]

The effect of thermochromic coatings of vanadium dioxide (VO2) on the fire performance of windows was experimentally tested. Prototypes were subjected to radiant heat and the radiation transmitted through the specimens was measured as a function of time. The results indicate that windows coated with VO2 can reduce radiative heat transfer from fires and thereby also reduce or prevent fire spread. The results clearly show that VO2 coatings on BK7 substrates hinder approximately 30% of the transmission of radiation from fire sources when compared with the performance of uncoated windows. It is expected that VO2 will not be solely implemented for the purpose of increasing fire performance of windows, but it will rather provide a secondary positive effect if such windows are realized for energy‐saving purposes.

Place, publisher, year, edition, pages
John Wiley & Sons, 2018.
Keywords [en]
fire, radiative heat transfer, thermochromic, windows, VO2
National Category
Building Technologies
Research subject
Steel Structures
Identifiers
URN: urn:nbn:se:ltu:diva-69054DOI: 10.1002/fam.2630OAI: oai:DiVA.org:ltu-69054DiVA, id: diva2:1212424
Available from: 2018-06-01 Created: 2018-06-01 Last updated: 2018-06-01

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Försth, Michael

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