细水雾灭火技术在电气环境的研究与进展

介绍了细水雾的定义和主导灭火机理，对细水雾、水喷淋及气体灭火技术在电气环境的应用进行了比较，说明了细水雾用于电气环境火灾防治的优点及不足。结合前人实验结果系统地阐述了细水雾的导电性、细水雾作用下电气设备击穿强度变化规律、细水雾的滞空性及烟气冲刷能力。重点回顾了国际上细水雾用于计算机、程控交换机及发电机等电气设备火灾防护的可行性及有效性研究，描述了细水雾作用下带电工作的计算机、发电机、程控交换机等设备的稳定性和可靠性，讨论了雾滴粒径、雾滴速度、雾通量及障碍物遮挡程度等因素对扑灭电气火灾有效性的影响，介绍了国际上细水雾灭火技术在电气环境的应用现状。

Progress in Research and Application of Water Mist Suppressing Class C Fires

This paper introduces the concept of water mist technology,and discusses its extinguishment mechanism in comparison with other fire suppression systems briefly.Water mist has demonstrated some advantages in suppressing electrical and electronic fires(class C fires).The electric characteristic of water mist,the variation law of breakdown strength to electrical equipment with water mist applied,the suspending and the smoke scrubbing ability of water mist are expatiated with a viea to the experimental results carried out by others.The investigation on efficiency and feasibility of water mist used in computer room and other electrical environment is thoroughly reviewed, and the working stability of electrical equipment with water mist applied is described.Effects of water mist diameter and velocity,water mist flux and barrier on water mist fire extinguishment efficiency are analyzed,and the application actuality of water mist in electrical environment is introduced.