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

Songru XIE (谢松汝); Yong HE (何勇); Dingkun YUAN (袁定琨); Zhihua WANG (王智化); Sunel KUMAR; Yanqun ZHU (朱燕群); Kefa CEN (岑可法)

doi:10.1088/2058-6272/aafc50

Plasma Science and Technology > 2019 > 21(5): 55505-055505. > DOI: 10.1088/2058-6272/aafc50

Songru XIE (谢松汝), Yong HE (何勇), Dingkun YUAN (袁定琨), Zhihua WANG (王智化), Sunel KUMAR, Yanqun ZHU (朱燕群), Kefa CEN (岑可法). The effects of gas flow pattern on the generation of ozone in surface dielectric barrier discharge[J]. Plasma Science and Technology, 2019, 21(5): 55505-055505. DOI: 10.1088/2058-6272/aafc50

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

State Key Laboratory of Clean Energy Utilization, Zhejiang University, Hangzhou 310027, People’s Republic of China

Funds: This research is supported by National Natural Science Foundation of China (No. 51776185) and Zhejiang Provincial Natural Science Foundation (LR16E060001).

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Received Date: October 25, 2018

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Abstract

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 O₂ 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 gkWh⁻¹ from 102.8 gkWh⁻¹ in flow pattern ‘A’.
- surface dielectric barrier discharge,
- gas flow,
- ozone generation

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References

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