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Nonequilibrium Atmospheric Pressure Plasma Jets

2019-04-23 Science
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Release : 2019-04-23
Genre : Science
Kind : eBook
Book Rating : 872/5 ( reviews)

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Book Synopsis Nonequilibrium Atmospheric Pressure Plasma Jets by : XinPei Lu

Download or read book Nonequilibrium Atmospheric Pressure Plasma Jets written by XinPei Lu. This book was released on 2019-04-23. Available in PDF, EPUB and Kindle. Book excerpt: Nonequilibrium atmospheric pressure plasma jets (N-APPJs) generate plasma in open space rather than in a confined chamber and can be utilized for applications in medicine. This book provides a complete introduction to this fast-emerging field, from the fundamental physics, to experimental approaches, to plasma and reactive species diagnostics. It provides an overview of the development of a wide range of plasma jet devices and their fundamental mechanisms. The book concludes with a discussion of the exciting application of plasmas for cancer treatment. The book provides details on experimental methods including expert tips and caveats. covers novel devices driven by various power sources and the impact of operating conditions on concentrations and fluxes of the reactive species. discusses the latest advances including theory, modeling, and simulation approaches. gives an introduction, overview and details on state of the art diagnostics of small scale high gradient atmospheric pressure plasmas. covers the use of N-APPJs for cancer applications, including discussion of destruction of cancer cells, mechanisms of action, and selectivity studies. XinPei Lu is a Chair Professor in the School of Electrical and Electronic Engineering at Huazhong University of Science and Technology. Stephan Reuter is currently Visiting Professor at Université Paris-Saclay. In a recent Alexander von Humboldt research fellowship at Princeton University, he performed ultrafast laser spectroscopy on cold plasmas. Mounir Laroussi is Professor of Electrical and Computer Engineering and director of the Plasma Engineering and Medicine Institute at Old Dominion University. He is a Fellow of IEEE and recipient of an IEEE Merit Award. DaWei Liu is Professor in the School of Electrical and Electronic Engineering at Huazhong University of Science and Technology.

Nonequilibrium Atmospheric Pressure Ar/O2 Plasma Jet: Properties and Application to Surface Cleaning*supported by National Natural Science Foundation of China (No. 11305017).

2016
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Release : 2016
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Kind : eBook
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Book Synopsis Nonequilibrium Atmospheric Pressure Ar/O2 Plasma Jet: Properties and Application to Surface Cleaning*supported by National Natural Science Foundation of China (No. 11305017). by :

Download or read book Nonequilibrium Atmospheric Pressure Ar/O2 Plasma Jet: Properties and Application to Surface Cleaning*supported by National Natural Science Foundation of China (No. 11305017). written by . This book was released on 2016. Available in PDF, EPUB and Kindle. Book excerpt: Abstract: In this study an atmospheric pressure Ar/O2 plasma jet is generated to study the effects of applied voltage and gas flux rate to the behavior of discharge and the metal surface cleaning. The increase in applied voltage leads to increases of the root mean square (rms) current, the input power and the gas temperature. Furthermore, the optical emission spectra show that the emission intensities of metastable argon and atomic oxygen increase with increasing applied voltage. However, the increase in gas flux rate leads to a reduction of the rms current, the input power and the gas temperature. Furthermore, the emission intensities of metastable argon and atomic oxygen decrease when gas flux rate increases. Contact angles are measured to estimate the cleaning performance, and the results show that the increase of applied voltage can improve the cleaning performance. Nevertheless, the increase of gas flux rate cannot improve the cleaning performance. Contact angles are compared for different input powers and gas flux rates to search for a better understanding of the major mechanism for surface cleaning by plasma jets.

Optical Emission Diagnostics of a Non-equilibrium Atmospheric Pressure Helium Plasma Jet in Ambient Air

2016 Chemical engineering
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Release : 2016
Genre : Chemical engineering
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Book Synopsis Optical Emission Diagnostics of a Non-equilibrium Atmospheric Pressure Helium Plasma Jet in Ambient Air by : Eduardo Hernandez

Download or read book Optical Emission Diagnostics of a Non-equilibrium Atmospheric Pressure Helium Plasma Jet in Ambient Air written by Eduardo Hernandez. This book was released on 2016. Available in PDF, EPUB and Kindle. Book excerpt: Non-thermal atmospheric pressure plasmas are increasingly attracting more attention from the scientific community for their potential use in surface treatment and biomedical applications. Even though considerable progress has been made, investigation of the species generated at close proximity (1 mm to ~100 nm) to a surface has not been addressed due to limitations of common optical techniques. A novel approach using Optical Emission Spectroscopy (OES) that can probe emissions over this distance away from the surface has been investigated. Additionally, the presence of high energy VUV photons was confirmed and these can play an important role in the propagation of plasma jets. By performing temporally resolved OES, it was determined that excitation of O, N, OH, NO and N2+ is predominantly due to collisions between He* and their precursors, whereas the N2 emissions are due to electron impact that produces electronically excited N2.

Nonequilibrium Atmospheric Pressure Plasma Jets

2019-04-23 Science
Download Nonequilibrium Atmospheric Pressure Plasma Jets PDF Online Free

Author :
Release : 2019-04-23
Genre : Science
Kind : eBook
Book Rating : 721/5 ( reviews)

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Book Synopsis Nonequilibrium Atmospheric Pressure Plasma Jets by : XinPei Lu

Download or read book Nonequilibrium Atmospheric Pressure Plasma Jets written by XinPei Lu. This book was released on 2019-04-23. Available in PDF, EPUB and Kindle. Book excerpt: Nonequilibrium atmospheric pressure plasma jets (N-APPJs) generate plasma in open space rather than in a confined chamber and can be utilized for applications in medicine. This book provides a complete introduction to this fast-emerging field, from the fundamental physics, to experimental approaches, to plasma and reactive species diagnostics. It provides an overview of the development of a wide range of plasma jet devices and their fundamental mechanisms. The book concludes with a discussion of the exciting application of plasmas for cancer treatment. The book provides details on experimental methods including expert tips and caveats. covers novel devices driven by various power sources and the impact of operating conditions on concentrations and fluxes of the reactive species. discusses the latest advances including theory, modeling, and simulation approaches. gives an introduction, overview and details on state of the art diagnostics of small scale high gradient atmospheric pressure plasmas. covers the use of N-APPJs for cancer applications, including discussion of destruction of cancer cells, mechanisms of action, and selectivity studies. XinPei Lu is a Chair Professor in the School of Electrical and Electronic Engineering at Huazhong University of Science and Technology. Stephan Reuter is currently Visiting Professor at Université Paris-Saclay. In a recent Alexander von Humboldt research fellowship at Princeton University, he performed ultrafast laser spectroscopy on cold plasmas. Mounir Laroussi is Professor of Electrical and Computer Engineering and director of the Plasma Engineering and Medicine Institute at Old Dominion University. He is a Fellow of IEEE and recipient of an IEEE Merit Award. DaWei Liu is Professor in the School of Electrical and Electronic Engineering at Huazhong University of Science and Technology.

Non-Equilibrium Air Plasmas at Atmospheric Pressure

2004-11-29 Science
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Release : 2004-11-29
Genre : Science
Kind : eBook
Book Rating : 622/5 ( reviews)

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Book Synopsis Non-Equilibrium Air Plasmas at Atmospheric Pressure by : K.H. Becker

Download or read book Non-Equilibrium Air Plasmas at Atmospheric Pressure written by K.H. Becker. This book was released on 2004-11-29. Available in PDF, EPUB and Kindle. Book excerpt: Atmospheric-pressure plasmas continue to attract considerable research interest due to their diverse applications, including high power lasers, opening switches, novel plasma processing applications and sputtering, EM absorbers and reflectors, remediation of gaseous pollutants, excimer lamps, and other noncoherent light sources. Atmospheric-pressure plasmas in air are of particular importance as they can be generated and maintained without vacuum enclosure and without any additional feed gases. Non-Equilibrium Air Plasmas at Atmospheric Pressure reviews recent advances and applications in the generation and maintenance of atmospheric-pressure plasmas. With contributions from leading international researchers, the coverage includes advances in atmospheric-pressure plasma source development, diagnostics and characterization, air plasma chemistry, modeling and computational techniques, and an assessment of the status and prospects of atmospheric-pressure air plasma applications. The extensive application sections make this book attractive for practitioners in many fields where technologies based on atmospheric-pressure air plasmas are emerging.

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