介质阻挡放电产生臭氧的特性研究

臭氧由于具有强氧化性,在众多领域已经得到了广泛的应用。本文通过试验研究了介质阻挡放电产生臭氧的特性。结果表明:外加电压增大时,臭氧浓度和产速都不断增大,臭氧产率则是先增长,达到最大值后又开始略微下降;气体流速增大时,臭氧浓度不断减小,而臭氧产速和产率都是先增长,达到最大值后又开始下降;电源频率在5.0～9.9kHz范围内改变时,臭氧浓度、产速和产率变化不明显;当电介质厚度不变时,在0.3～0.5mm范围内改变间隙厚度,小间隙厚度优势不明显。

Characteristic Research on the Generation of Ozone Using Dielectric Barrier Discharge

Ozone has been widely used in many fields due to its strong oxidation ability.Under the conditions of experiments,the results shown are as follows: with an increasing applied voltage,both ozone concentration and ozone generation rate increase,while ozone generation efficiency increases at first,reaching the peak value and then decreases slowly;with an increasing gas flow rate,ozone concentration decreases,while both ozone generation rate and ozone generation efficiency increase at first,reaching the peak value and then decrease;when power supply frequency is changed in the range from 5.0 kHz to 9.9 kHz,no apparent laws of ozone concentration,generation rate and generation efficiency are found;and when gap spacing is changed in the range from 0.3 mm to 0.5 mm and dielectric thickness is unchanged,shorter gap does not show better effect.