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The Effectiveness of Water Mist in the Functioning of Automatic Fire Extinguishing Systems

机译:水雾在自动灭火系统中的作用

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Currently, one of the most perspective directions fire protection is the use of water mist extinguishing agents. An experimental study of phase transformations of water mist droplets (radius of 50 – 500 microns) in motion in a high-temperature (500 – 1800 K), typical products of combustion of petroleum products (gasoline, kerosene, acetone, alcohol). Use high speed (the speed of recording at least 105 images per second) and optical methods of recording streams of liquid and gas medium. The influence of the parameters of the test process (the initial temperature and the initial droplet size) at the rate of evaporation of atomized water under these conditions. The optimum droplet size histograms in extinguishing fluid stream, providing evaporation of atomized water flow.
机译:当前,防火的最有远见的方向之一是使用水雾灭火剂。在高温(500 – 1800 K)下运动的水雾滴(半径为50 – 500微米)的相变的实验研究,石油是石油产品(汽油,煤油,丙酮,酒精)的典型燃烧产物。使用高速(每秒至少记录105张图像的速度)和记录液体和气体介质流的光学方法。在这些条件下,测试过程的参数(初始温度和初始液滴尺寸)对雾化水蒸发速率的影响。灭火液流中的最佳液滴尺寸直方图,可提供雾化水流的蒸发。

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