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招生学科专业:
电气工程 -- 【招收博士、硕士研究生】 -- 自动化学院
能源动力 -- 【招收博士、硕士研究生】 -- 自动化学院

性别:男

毕业院校:华中科技大学

学历:华中科技大学

学位:工学博士学位

所在单位:自动化学院

办公地点:南京市江宁区将军大道29号,南京航空航天大学自动化学院3号楼

联系方式:邮箱:wushuqun@nuaa.edu.cn;电话:13305143147

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The effects of the tube diameter on the discharge ignition and the plasma properties of atmospheric-pressure microplasma confined inside capillary

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所属单位:自动化学院

发表刊物:Plasma Processes Polym.

摘要:With plasma penetration into a capillary and the assistant of an air DBD, an ac-driven Ar microplasma plume having a length of several cm is generated inside the capillary. The inner diameter of the capillary ranges from 4 to 100 µm. When the tube diameter decreases, the length of the microplasma plume decreases, and while the ignition voltage, the current density, and the electron density increase significantly. For the tube diameter of 9 µm, the current density and the electron density measured from the Stark broadening of Hα line reach as high as 109 A m−2 and 11 × 1016 cm−3, respectively. The microplasma plume is of high degree of ionization and remains non-thermal. Rather than monotonically increasing, the propagation velocity of the microplasma plume decreases and then keeps almost unchanged after the tube diameter reaches 20 µm. © 2019 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim

ISSN号:1612-8850

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发表时间:2019-03-01

合写作者:Wu, Fei,吴菲,Liu, Chang,F70206388,Liu, Xueyuan,Chen, Yuxiu,Shao, Tao,张潮海

通讯作者:吴淑群