Contrasting characteristics of pulsed and sinusoidal cold atmospheric plasma jets
journal contributionposted on 20.08.2009 by James L. Walsh, J.J. Shi, Michael G. Kong
Any type of content formally published in an academic journal, usually following a peer-review process.
Pulsed excitation of cold atmospheric plasmas is commonly believed to offer valuable benefits compared to the mainstream sinusoidal excitation. However, direct comparison of pulsed and sinusoidal atmospheric plasmas remains few, if any, thus casting an uncertainty of whether pulsed excitation facilitates any significant advantage. In this letter, we report a comparison study of pulsed and sinusoidal cold atmospheric plasma jets through electrical characterization, gas temperature measurement, and optical detection of reactive plasma species. An example of pulsed excitation is shown to reduce the electrical energy consumption by a factor of 12 for producing the same amount of oxygen atoms.
- Mechanical, Electrical and Manufacturing Engineering