Fire Science and Technology
Online ISSN : 1882-0492
Print ISSN : 0285-9521
ISSN-L : 0285-9521
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Volume 7, Issue 1
Displaying 1-3 of 3 articles from this issue
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Science
  • Effects of Ignition Source in Room Fire Tests
    A. I. Ahonen, C. Holmlund, M. A. Kokkala
    1987 Volume 7 Issue 1 Pages 1_1-1_13
    Published: 1987
    Released on J-STAGE: April 01, 2008
    DOIhttps://doi.org/10.3210/fst.7.1_1
    JOURNAL FREE ACCESS
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    The influence of the ignition power and the size of the ignition source on the fire growth in full scale room fire tests is studied. The fire test room and its instrumentation are described. The results of a test series with three ignition powers and three burner sizes in a fire test room lined with chipboard are given. In the experiments the following variables were measured : gas temperature, total heat flux to the floor, smoke production, and rate heat release.
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  • A Trial of Flashover Prediction in Compartment Fire Modeling
    Hisahiro Takeda
    1987 Volume 7 Issue 1 Pages 1_15-1_23
    Published: 1987
    Released on J-STAGE: April 01, 2008
    DOIhttps://doi.org/10.3210/fst.7.1_15
    JOURNAL FREE ACCESS
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    A simple one zone and transient model of compartment fires was proposed to predict fire behaviors and flashover. The calculated results obtained from this model were compared with the experimental results, and further with the HARVARD CODE V with some discussion. The model presented here could make prediction of flashover time, though it's quite simple. Provided some properties of wall and burning materials, room size and opening conditions are input, fire behavior and flashover time are obtained. Calculated results were in good agreement with the experimental results obtained from the reduced scale model compartment. Based on these results, flashover time became minimum at a certain value of A√H. Similar results were obtained from calculation of HARVARD V for the full scale situation.
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  • The Thermal Characteristics of Silicone Oil by the High Radiative Heat Flux Furnance
    Masahiro Morita, Muneyoshi Yamatani, Tetsuya Nishimoto, Kunio Kawagoe, ...
    1987 Volume 7 Issue 1 Pages 1_25-1_32
    Published: 1987
    Released on J-STAGE: April 01, 2008
    DOIhttps://doi.org/10.3210/fst.7.1_25
    JOURNAL FREE ACCESS
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    The pseudo stationary state of silicone oil has been defined from the analysis of the pyrolysis of silicone oil in nitrogen by means of the high radiative heat flux furnance method. The model of this state has been established by considering it as the vaporizing process of the pyrolysis products of silicone oil. From the modeling, the pyrolysis difference between the low radiative heat flux and high radiative heat flux have been observed and these mechanism have been clarified by the IR spectra and the viscosity-average molecular weight.
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