Enhancement of corona discharge induced wind generation with carbon nanotube and titanium dioxide decoration
Jianchun Ye(叶建春)1, Jun Li(李俊)2, Xiaohong Chen(陈晓红)1, Sumei Huang(黄素梅)1, Wei Ou-Yang(欧阳威)1
1 Engineering Research Center for Nanophotonics and Advanced Instrument(Ministry of Education), School of Physics and Materials Science, East China Normal University, Shanghai 200062, China;
2 Department of Electronic Science and Technology, Tongji University, Shanghai 201804, China
Dip-coated double-wall carbon nanotubes (DWCNTs) and titanium dioxide (TiO2) sol have been prepared and smeared onto the tip of a conductive iron needle which serves as the corona discharge anode in a needle-cylinder corona system. Compared with the discharge electrode of a CNT-coated needle tip, great advancements have been achieved with the TiO2/CNT-coated electrode, including higher discharge current, ionic wind velocity, and energy conversion efficiency, together with lower corona onset voltage and power consumption. Several parameters related to the discharge have been phenomenologically and mathematically studied for comparison. Thanks to the morphology reorientation of the CNT layer and the anti-oxidation of TiO2, better performance of corona discharge induced wind generation of the TiO2/CNT-coated electrode system has been achieved. This novel decoration may provide better thoughts about the corona discharge application and wind generation.
(General theory of classical mechanics of discrete systems)
Fund:
Project supported by the National Natural Science Foundation of China (Grant Nos. 61504042, 61504098, and 61771198), the Natural Science Foundation of Shanghai, China (Grant No. 17ZR1447000), and the Fundamental Research Funds for the Central Universities, China.
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