烟幕云团运动特性分析  

Analysis of Motion Characteristics of Smoke Cloud Particles

作　　者：保石[1] 张紫浩[1] 

机构地区：[1]中国电子科技集团公司光电研究院,天津300000

出　　处：《光电技术应用》2015年第4期20-23,54,共5页Electro-Optic Technology Application

摘　　要：从烟幕湍流扩散的浓度方程出发,分析了烟幕云团湍流运动的基本特征,并通过试验分析烟幕弹静爆和发烟机喷射后,几种烟幕材料成烟在近地面的运动特性和扩散趋势,以便在以后对烟幕扩散模式研究中,通过确定一定试验条件下的扩散方差/扩散系数,建立起烟源特征参数(烟剂装填量等)、大气环境与效应参数(消光遮蔽性能等)的关系,最终评价烟幕的遮蔽面积、留空时间等实际使用性能。Based on the concentration equation of smoke screen onflow diffusion, the basic characteristics of smoke cloud onflow motion are analyzed. And the motion characteristics and diffusion trends of several kinds of smoke material smoked at near-ground are analyzed through the experiments at the states of smoke grenade static ex？plosion and smoke generator spraying in order to build the relationships among smoke source characteristic parame？ters, atmosphere environment and effect parameters through determining diffusion variance and coefficient at a cer？tain experimental condition in the future and the practical application to evaluate the performances such as smoke screen shield and airborne endurance.

关 键 词：烟幕粒子 运动特性 湍流扩散 中空材料 

分 类 号：TN972.4[电子电信—信号与信息处理]