首页> 外文期刊>Combustion Science and Technology >INFLUENCE OF VENTILATION ON IGNITION RISK OF UNBURNT GASES IN THE EXTRACTION DUCT OF UNDERVENTILATED COMPARTMENT FIRE
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INFLUENCE OF VENTILATION ON IGNITION RISK OF UNBURNT GASES IN THE EXTRACTION DUCT OF UNDERVENTILATED COMPARTMENT FIRE

机译:通风对通风不良室火灾引爆管道中未燃气体点火风险的影响

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摘要

Ignition risk of unburnt gases in the extraction duct of an underventilated compartment fire was studied from 8-cubic-meter room fire at the Laboratoire de Combustion et de Detonique, in France. A study of factors that have an influence on the ignition risk at the extraction is made. Two main factors appear: heat release rate and ventilation flow. These factors were studied by changing ventilation flow for different diameters of fire source. Fire tests were also made in order to understand the impact of closing the inlet vent on the production of unburnt gases. Criteria of heat release rate and ventilation flow are determined in order to predict conditions that lead to an ignition risk.
机译:在法国Labouratoire de Combustion et detonique的8立方米室内火灾中研究了通风不足的车厢火灾的引燃管道中未燃烧气体的着火危险。研究了影响提取时着火危险的因素。出现两个主要因素:放热率和通风量。通过改变不同直径火源的通风量来研究这些因素。还进行了防火测试,以了解关闭进气孔对未燃烧气体产生的影响。确定放热率和通风量的标准,以预测导致着火危险的条件。

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  • 来源
    《Combustion Science and Technology》 |2010年第6期|P.517-528|共12页
  • 作者单位

    LCD - UPR 9028 CNRS, ENSMA, Universite de Poitiers, 1 avenue Clement Ader, Teleport 2-BP 40109, 86961 Futuroscope Chasseneuil, Cedex, France;

    rnCommissariat a l'Energie Atomique, DEN/DANS/DM2S/SFME/LTMF, Gif-sur-Yvette, France;

    rnLCD - UPR 9028 CNRS, ENSMA, University of Poitiers, Chasseneuil, France;

    rnLCD - UPR 9028 CNRS, ENSMA, University of Poitiers, Chasseneuil, France;

    rnCommissariat a l'Energie Atomique, CEA/PMR/DPSN, Fontenay-aux-Roses, France;

    rnAREVA NC, Paris, France;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    compartment fire; ignition; unburnt gases; ventilation;

    机译:车厢起火;点火;未燃烧的气体;通风;

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