Fire Science and Technology
Online ISSN : 1882-0492
Print ISSN : 0285-9521
ISSN-L : 0285-9521
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Volume 12, Issue 2
Displaying 1-3 of 3 articles from this issue
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Science
  • Development and Evaluation of Fire Retardant Cotton Fabrics
    N. K. Saxena, Sunil K. Sharma, D. R. Gupta
    1992 Volume 12 Issue 2 Pages 2_1-2_10
    Published: 1992
    Released on J-STAGE: February 05, 2008
    DOIhttps://doi.org/10.3210/fst.12.2_1
    JOURNAL FREE ACCESS
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    A few compositions based on monoammonium phosphate, diammonium phosphate, orthophosphoric acid, urea and M-80 (a melamine formaldehyde resin) have been studied in order to impart durable fire retardancy to cotton fabrics. The treated specimens are tested for their burning and smoke generation characteristics, as well as strength and washability. The treatments may prove quite effective in reducing the hazards in case of cotton fabrics.
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  • A Non-Linear Model of Flashover
    Alan Beard, Dougal Drysdale, Paul Holborn, Steven Bishop
    1992 Volume 12 Issue 2 Pages 2_11-2_27
    Published: 1992
    Released on J-STAGE: February 05, 2008
    DOIhttps://doi.org/10.3210/fst.12.2_11
    JOURNAL FREE ACCESS
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    A zonal formulation has been used to construct a non-linear model with a single state-variable corresponding to temperature. The governing equatisu are shown to be equivalent to a system with a swallowtail catastrophe. Using the model, conoitions may be identified which produce a jump and such a jump in the model's behaviour is being associated with one kind of flashover jump, i.e. that in which a fuel-controlled state becomes unstable. Thereby, the conditions for a flashover jump may be elucidated.
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Technology
  • Products of Combustion of the Metal Powders
    T. P. Sharma, B. S. Varshney, Surendra Kumar
    1992 Volume 12 Issue 2 Pages 2_29-2_38
    Published: 1992
    Released on J-STAGE: February 05, 2008
    DOIhttps://doi.org/10.3210/fst.12.2_29
    JOURNAL FREE ACCESS
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    Sophistication in the aviation and warfare technologies has significantly increased the use of metals such as aluminium, magnesium and their alloys for numerous applications. The resulting fires of such metals are probably one of the most dominating and devastating risks if the metals are in the form of fine particles. The work consists of determination of the constituents of the various combustion products after the burning of the magnesium, aluminium and aluminium-magnesium alloy powder heaps on the sand bed. The analysis of the ground products of burnt metal powders on the sand bed has been carried out by using X-ray diffractometer. It is found that oxides and nitrides were the predominant fractions of the combustion products of the metal powders. Interestingly, it is also found that the combustion products of the aluminium, and the aluminium-magnesium alloy powder heap on the sand bed contain free aluminium also.
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