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两相流气体种类灭B类火效果的实验

杨立军 赵建波 刘宇新

杨立军, 赵建波, 刘宇新等 . 两相流气体种类灭B类火效果的实验[J]. 北京航空航天大学学报, 2012, (3): 357-362.
引用本文: 杨立军, 赵建波, 刘宇新等 . 两相流气体种类灭B类火效果的实验[J]. 北京航空航天大学学报, 2012, (3): 357-362.
Yang Lijun, Zhao Jianbo, Liu Yuxinet al. Effect of gas species on fire extinguishment using two phase flow[J]. Journal of Beijing University of Aeronautics and Astronautics, 2012, (3): 357-362. (in Chinese)
Citation: Yang Lijun, Zhao Jianbo, Liu Yuxinet al. Effect of gas species on fire extinguishment using two phase flow[J]. Journal of Beijing University of Aeronautics and Astronautics, 2012, (3): 357-362. (in Chinese)

两相流气体种类灭B类火效果的实验

详细信息
  • 中图分类号: TU 892

Effect of gas species on fire extinguishment using two phase flow

  • 摘要: 两相流灭火系统中,气相采用不同的气体,其灭火效果不同.研究了采用空气、氮气、二氧化碳、氩气4种不同种类气体条件下,两相流细水雾灭火系统在3.6 m×4.6 m×3.9 m的空间内,灭0.1 MW及0.61 MW方油盘火的灭火特性及规律.实验过程中采用热电偶树和西门子气体分析仪对火焰温度及火场氧体积分数进行了测量,得到了不同气体种类条件下的细水雾灭火特性包括火焰最高温度、温度下降速率、氧体积分数下降速率、灭火时间等参数的变化规律和灭火过程中火场温度场和氧体积分数值的变化规律.

     

  • [1] Mohan B R,Jain R K,Meikap B C. Comprehensive analysis for prediction of dust removal efficiency using twin-fluid atomization in a spray scrubber[J]. Separation and Purification Technology,2008,63: 269-277
    [2] Ferreira G,Garcia J A,Barreras F,et al. Design optimization of twin-fluid atomizers with an internal mixing chamber for heavy fuel oils[J]. Fuel Processing Technology,2009,90: 270-278
    [3] Fattah A A. Numerical and experimental study of turbulent impinging twin-jet flow[J]. Experimental Thermal and Fluid Science,2007,31: 1061-1072
    [4] Lecaros M,Elicer-Cortes J C,Fuentes A,et al. On the ability of twin jets air curtains to confine heat and mass inside tunnels[J]. International Communications in Heat and Mass Transfer,2010,37: 970-977
    [5] Karnawat J,Kushari A. Controlled atomization using a twin-fluid swirl atomizer[J]. Experimental Fluids,2006,41: 649-663
    [6] 余永刚,冯金莉.细水雾与液体燃料火焰相互作用的小尺度实验研究及简化模型[J].热科学与技术,2007,6(1):85-90 Yu Yonggang,Feng Jinli. Small-scale experiments and simplified model on water mist interaction with liquid pool fires[J]. Journal of Thermal Science and Technology,2007,6(1): 85-90(in Chinese)
    [7] 黄鑫.气泡雾化细水雾灭火有效性模拟研究[D].合肥:中国科学技术大学火灾科学国家重点实验室,2007 Huang Xin. Study on the fire extinguishing efficiency of water mist produced by effervescent atomizer[D]. Hefei:State Key Laboratory of Fire Science,University of Science and Technology of China,2007
    [8] 杨立军,廖圣洁,富庆飞,等.油盘火热释放率影响细水雾灭火特性实验[J].北京航空航天大学学报,2008,34(5): 537-540 Yang Lijun,Liao Shengjie,Fu Qingfei,et al. Experiment of heat release rate of pool fire effect on water mist fire suppression[J]. Journal of Beijing University of Aeronautics and Astronautics,2008,34(5): 537-540(in Chinese)
    [9] 杨立军,赵建波,刘宇新.两相流细水雾灭B类火实验研究[J].消防科学与技术,2011,30(8): 671-675 Yang Lijun,Zhao Jianbo,Liu Yuxin. Experiments on two phase flow water mist extinguishing class B fire[J]. Fire Science and Technology,2011,30(8): 671-675(in Chinese)
    [10] UL2167,Water mist nozzles for fire protection service[S]. North Carolina,USA:Underwriters Laboratories Inc,2004
    [11] 杨立军,王向东,廖圣洁,等.油盘形状对细水雾灭火效果影响的研究[J].消防科学与技术,2008,27(1): 37-41 Yang Lijun,Wang Xiangdong,Liao Shengjie,et al. The effect of pool shape on water mist fire suppression[J]. Fire Science and Technology,2008,27(1): 37-41(in Chinese)
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出版历程
  • 收稿日期:  2010-11-18
  • 网络出版日期:  2012-03-30

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