4.4 Article

The effects of gas flow pattern on the generation of ozone in surface dielectric barrier discharge

Journal

PLASMA SCIENCE & TECHNOLOGY
Volume 21, Issue 5, Pages -

Publisher

IOP PUBLISHING LTD
DOI: 10.1088/2058-6272/aafc50

Keywords

surface dielectric barrier discharge; gas flow; ozone generation

Funding

  1. National Natural Science Foundation of China [51776185]
  2. Zhejiang Provincial Natural Science Foundation [LR16E060001]

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Ozone production utilizing surface dielectric barrier discharge (SDBD) was experimental studied for different flow patterns considering the influences of transversal flow, lateral flow and different lateral flow positions. Results show that the flow patterns have a remarkable impact on the ozone yield by affecting the uniformity and turbulence of gas flow. Meanwhile, distributing the O-2 flow rate according to the intensity of the plasma reaction would also increase the generation efficiency of SDBD for ozone production. By improving the uniformity and introducing the lateral flow to the transversal flow, the highest ozone yield was obtained in flow pattern 'F'. In this case, the ozone yield increased by 28.4% to 131 g kWh(-1) from 102.8 g kWh(-1) in flow pattern 'A'.

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