应用弹性力学理论计算水成膜泡沫灭火剂水膜厚度
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  • 英文篇名:The calculation of water film thickness of aqueous film forming foam extinguishing agent with theory of elasticity
  • 作者:王鹏
  • 英文作者:Wang Peng;Chinese People's Armed Police Force Academy;
  • 关键词:弹性力学 ; 水成膜泡沫灭火剂 ; 水膜厚度
  • 英文关键词:elastic mechanics;;aqueous film forming foam extinguishing agent;;water film thickness
  • 中文刊名:YYLX
  • 英文刊名:Chinese Journal of Applied Mechanics
  • 机构:中国人民武装警察部队学院;
  • 出版日期:2017-04-19 10:18
  • 出版单位:应用力学学报
  • 年:2017
  • 期:v.34;No.144
  • 语种:中文;
  • 页:YYLX201702016
  • 页数:5
  • CN:02
  • ISSN:61-1112/O3
  • 分类号:101-104+218
摘要
应用弹性力学理论计算了水成膜泡沫灭火剂在油表面铺展水膜的厚度。假设油表面是一层不服从胡克定律的弹性膜,水膜在油表面的铺展厚度问题数学近似为半平面体在边界上受分布力问题,简化了应力公式,从而推导出了水膜厚度的计算公式。最后实验验证了计算公式的正确性。油表面铺展水膜的厚度在微米量级,且与水成膜泡沫灭火剂无关。
        The water film thickness of aqueous film forming foam extinguishing agent which is spread on the surface of oil is calculated by the theory of elasticity.The surface of oil is considered to be a layer of elastic membrane which does not obey the Hooke’s law.The calculation of water film thickness is mathematically modeled as a half-plane with distributed force on the boundary,and the calculation formula of water film thickness is got by a simplified stress formula.Finally,the correctness of the formula is proved by experiments.The thickness of water film that spread on the oil surface is in the order of microndimension,and has nothing to do with aqueous film forming foam extinguishing agent.
引文
[1]中华人民共和国国家质量监督检验检疫总局,中国国家标准化管理委员会.泡沫灭火剂:GB15308-2006[S].北京:中国标准出版社,2006.(General Administration of Quality Supervision,Inspection and Quarantine of the People's Republic of China,China National Standardization Management Committee.Foam extinguishing agent:GB15308-2006[S].Beijing:China Standard Press,2006(in Chinese)).
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