高压高频复合电场作用下气溶胶凝并效果的实验研究  

The Research on Aerosol Coagulation Under High Voltage and High Frequency Complex Electric Field

作　　者：薛志杰[1] 顾平道[1] 杨子兵[1] 

机构地区：[1]东华大学环境科学与工程学院

出　　处：《洁净与空调技术》2007年第2期17-19,共3页Contamination Control & Air-Conditioning Technology

摘　　要：对净化实验室内高压高频复合电场作用下的气溶胶凝并进行了研究。通过测量室内不同粒径段颗粒物在不同初始浓度N状态下浓度减半所需的半值时间TH,计算得出对应的凝并系数K。测试结果表明:初始浓度增加,半值时间TH减少和对应的凝并系数K将减少,随着初始浓度的增加浓度减半所需的换气次数将减小,证实了高压-高频电场具有使空间微小颗粒加速凝并的作用,为工程应用奠定了理论基础。Aerosol coagulation under high voltage and high frequency complex electric field in clean room was studied experimentally. Based on the measured half time TH, which different particles drop half at different initial concentration, coagulation coefficient K was calculated accordingly. The results show that the half time TH will drop and coagulation coefficient K will enhance oppositely as the initial concentration reduce, and that air change rate required for concentration halved will reduce with increasing concentration. So, it is proved that high voltage and high frequency complex electric filed can accelerate tiny spatial particles coagulation Thus, this lays theoretical foundation for practical engineering.

关 键 词：高压高频复合电场 凝并系数 半值时间 

分 类 号：TM925.16[电气工程—电力电子与电力传动]