不同颗粒计数模式下过滤效率的对比分析  

Comparison and Analysis on Filtration Efficiency of Different Particle Count Modes

作　　者：张万 ZHANG Wan(Aviation Industry（Xinxiang）Metrology and Test Science Technology Co.,Ltd.,Xinxiang Henan 453019,China)

机构地区：[1]航空工业(新乡)计测科技有限公司,河南新乡453019

出　　处：《汽车零部件》2018年第10期81-83,共3页Automobile Parts

摘　　要：介绍了颗粒计数器的颗粒计数模式和过滤效率的关系,阐述了两种颗粒计数模式的区别,利用数学模型和试验验证对比分析了不同计数模式下过滤效率的区别。表明在同一个试验中,差分计数模式下的过滤效率小于与之相关粒径的累积计数模式下的过滤效率。The connection of filtration efficiency and particle count mode of particle counter was introduced,and the difference between the two particle count modes was expounded.The comparison and connotation of filtration efficiency were analyzed in different particle count modes by mathematics model and test validation.It is shown that the filtering efficiency of the different particle count mode is less than that of the cumulative count mode of the relevant particle size in the same experiment.

关 键 词：累积计数模式 差分计数模式 过滤效率 过滤比 

分 类 号：TB99[一般工业技术—计量学]