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  • An experimental apparatus for bench-scale fire testing using electrical heating pads [Elektronski vir]
    Seweryn, Aleksandra ; Lucherini, Andrea ; Franssen, Jean-Marc
    his research study concerns an experimental, budget-friendly, electricity- powered apparatus for bench-scale fire testing. The apparatus consists of various ele- ments, of which the most important ... are ceramic heating pads, used to impose heat fluxes on exposed surfaces of specimens. The test method allows to control the heat- ing pads’ temperature and to adjust the distance between the heating pads and the specimen to obtain well-defined heat fluxes up to 50–60 kW/m 2 . Higher heat fluxes and temperatures can be obtained by setting the heating pads in full power mode, with or without the use of a thermal shield, which can lead to heat fluxes up to 150 kW/m 2 . The heating and thermal boundary conditions imposed by the apparatus are characterised and discussed, and the thickness of the convective boundary layer at the heating pads’ surface is estimated significantly lower than in the case of gas- fired radiant panels. The performance of the apparatus is analysed for various condi- tions: controlling the temperature of the heating pads, in an open environment or with the presence of thermal shields, and in full power mode. A few examples of application of the apparatus to fire test typical construction materials (steel and glass) are also presented. These results emphasise the well-defined heating conditions in temperature-controlled mode. The study finally discusses the advantages and limita- tions of the apparatus, as well as many possibilities of future applications and improvement for future research studies.
    Source: Fire technology [Elektronski vir]. - ISSN 1572-8099 (Dec. 2023, str. 1925–1968)
    Type of material - e-article ; adult, serious
    Publish date - 2023
    Language - english
    COBISS.SI-ID - 177566723

    Link(s):

    https://link.springer.com/article/10.1007/s10694-023-01514-4
    DiRROS - Digital repository of Slovenian research organizations
    DOI

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