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论文类型：期刊论文

发表时间：2010-10-01

发表刊物：PLASMA SCIENCE & TECHNOLOGY

收录刊物：SCIE、EI、Scopus

卷号：12

期号：5

页面范围：561-565

ISSN号：1009-0630

关键字：atmospheric pressure; nonequilibrium Ar/O(2) plasma; preionization; actinometry; concentration of atomic oxygen; heat transfer oil

摘要：An atmospheric pressure nonequilibrium argon/oxygen plasma jet assisted by the preionization of syringe needle electrode discharge is reported. With the syringe needle plasma as its pre-ionization source, the hybrid barrier-jet was shown to generate uniform discharge with a lower breakdown voltage and a relatively low gas temperature varying from 390 K to 440 K, even when the vol.% oxygen in argon was up to 6%. Utilizing the actinometry method, the concentration of atomic oxygen was estimated to be about in an orders of magnitude of 10(17) cm(-3). The argon/oxygen plasma jet was then employed to clean out heat transfer oil, with a maximum cleaning rate of 0.1 mm/s achieved.