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Theoretical analysis of ozone generation by pulsed dielectric barrier discharge in oxygen

Published online by Cambridge University Press:  01 August 2007

L. S. WEI ,
J. H. ZHOU ,
Z. H. WANG  and
K. F. CEN
L. S. WEI
Affiliation:
State Key Laboratory of Clean Energy Utilization, Zhejiang University, Hangzhou, 310027, People's Republic of China
J. H. ZHOU
Affiliation:
State Key Laboratory of Clean Energy Utilization, Zhejiang University, Hangzhou, 310027, People's Republic of China
Z. H. WANG
Affiliation:
State Key Laboratory of Clean Energy Utilization, Zhejiang University, Hangzhou, 310027, People's Republic of China
K. F. CEN
Affiliation:
State Key Laboratory of Clean Energy Utilization, Zhejiang University, Hangzhou, 310027, People's Republic of China
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Abstract

The use of very short high-voltage pulses combined with a dielectric layer results in high-energy electrons that dissociate oxygen molecules into atoms, which are a prerequisite for the subsequent production of ozone by collisions with oxygen molecules and third particles. The production of ozone depends on both the electrical and the physical parameters. For ozone generation by pulsed dielectric barrier discharge in oxygen, a mathematical model, which describes the relation between ozone concentration and these parameters that are of importance in its design, is developed according to dimensional analysis theory. A formula considering the ozone destruction factor is derived for predicting the characteristics of the ozone generation, within the range of the corona inception voltage to the gap breakdown voltage. The trend showing the dependence of the concentration of ozone in oxygen on these parameters generally agrees with the experimental results, thus confirming the validity of the mathematical model.

Type
Papers
Information
Journal of Plasma Physics , Volume 73 , Issue 4 , August 2007 , pp. 427 - 432
Copyright
Copyright © Cambridge University Press 2006

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