# IEEE Transactions on Plasma Science

## Issue 12  Part 2 • Dec. 2010

This issue contains several parts.Go to:  Part 1

## Filter Results

Displaying Results 1 - 25 of 32

Publication Year: 2010, Page(s):C1 - 3329
| |PDF (45 KB)
• ### IEEE Transactions on Plasma Science publication information

Publication Year: 2010, Page(s): C2
| |PDF (38 KB)
• ### Streamer Propagation in a Large-Volume Underwater Corona Discharge Reactor

Publication Year: 2010, Page(s):3330 - 3335
Cited by:  Papers (6)
| |PDF (541 KB) | HTML

The underwater electrical discharges have received extensive attention in water or wastewater treatment. It is important to generate a large-volume underwater corona discharge at a relatively low voltage for its practical applications in water and wastewater treatment. A coaxial rod-cylinder electrode configuration has been developed for generating a large-volume corona discharge in water. The ele... View full abstract»

• ### Propagation of Arbitrary-Amplitude Nonlinear Quantum Ion-Acoustic Waves in Electron–Ion Plasmas: Dimensionality Effects

Publication Year: 2010, Page(s):3336 - 3341
Cited by:  Papers (9)
| |PDF (752 KB) | HTML

Propagation of arbitrary-amplitude ion-acoustic solitary waves (IASWs) as well as ion-acoustic periodic waves (IAPWs) is investigated in a fully degenerate quantum electron-ion plasma consisting of isothermal- or adiabatic-ion species. It is shown that the system dimensionality and degrees of freedom play critical roles in matching the criteria for the propagation of such waves. Furthermore, it is... View full abstract»

• ### Experimental and Numerical Investigation on Electromagnetic Absorption and Diffraction by the Plasma-Covered Cavity

Publication Year: 2010, Page(s):3342 - 3347
Cited by:  Papers (8)
| |PDF (689 KB) | HTML

To produce a plasma layer (area of 1.3 m2 and power of 1.8 kW) covering the inner surface of a metal cavity (diameter of 45 cm and length of 120 cm), a certain number of standard commercial fluorescent lamps were placed directly against one another. Electromagnetic (EM) scattering of a 1- to 3-GHz EM wave has been studied experimentally and theoretically for a metal cavity and a plasma-... View full abstract»

• ### Reflection Properties of Electromagnetic Wave in a Bounded Plasma Slab

Publication Year: 2010, Page(s):3348 - 3355
Cited by:  Papers (25)
| |PDF (326 KB) | HTML

A bounded plasma stealth model is proposed in this paper. The method of impedance transformation with multiple dielectrics is used to study the propagation properties of electromagnetic (EM) waves in this plasma slab. The relations between the plasma parameters and the reflection which is a combination of the power reflected from the wall-plasma interface, the partial reflections from the bulk pla... View full abstract»

• ### The Simulation of a High-Power Low-Velocity-Spread Space-Charge-Limited (SCL) Cusp Gun

Publication Year: 2010, Page(s):3356 - 3362
Cited by:  Papers (3)
| |PDF (701 KB) | HTML

The design of a high-power low-velocity-spread space-charge-limited cusp gun is presented. The Lagrangian formulation is used to analyze the velocity spread and beam ripple (orbit center spread). It shows that the two electron orbit off-center mechanisms, the radial velocity and the nonideal cusp magnetic field, can be adjusted to cancel each other. The characteristics of the cusp gun including th... View full abstract»

• ### The Impact of Cathode Diameter on Radial Foil Explosions

Publication Year: 2010, Page(s):3363 - 3369
Cited by:  Papers (5)
| |PDF (813 KB) | HTML

Radial foil configurations prove to be a very simple experimental setup to study high-energy-density plasmas. A thin metallic foil lies flat over a stretcher which is connected to the anode of a pulsed-power generator. The cathode contacts the foil at its geometrical center using a hollow stainless steel pin. Force densities should increase dramatically as the pin diameter diminishes, and we expec... View full abstract»

• ### The Antimicrobial Activity of an Atmospheric-Pressure Room-Temperature Plasma in a Simulated Root-Canal Model Infected With Enterococcus Faecalis

Publication Year: 2010, Page(s):3370 - 3374
Cited by:  Papers (22)
| |PDF (497 KB) | HTML

The antimicrobial activity of an atmospheric-pressure room-temperature plasma jet on simulated root canals infected with Enterococcus faecalis is studied. The samples are divided randomly into 12 experimental groups and one control group. All experimental groups exhibited a significant reduction in viable bacteria compared with the control group (P <; 0.01 ). The largest reductions were ... View full abstract»

• ### Phase Matching Mode Between Laser Pulse and TIG Arc in Hybrid Welding Process

Publication Year: 2010, Page(s):3375 - 3379
Cited by:  Papers (1)
| |PDF (544 KB) | HTML

In previous work, the low-power laser/arc hybrid welding technique was used to weld a magnesium alloy, and high-quality weld joints were obtained. For the pulsed laser and alternating current (ac) tungsten inert gas (TIG) arc, there are two typical phase matching modes between the laser pulse and the ac TIG arc: laser pulse acting on the positive wave, during which the tungsten electrode is the ca... View full abstract»

• ### Impact of Depth of Penetration on Mutual Inductance and Electrical Resistance of Individual Toroidal Coils Using Analytical and Finite Element Methods Applicable to Tokamak Reactors

Publication Year: 2010, Page(s):3380 - 3386
Cited by:  Papers (1)
| |PDF (1218 KB) | HTML

A toroidal field coil is composed of several individual toroidal coils (ITCs) which are connected in a series and distributed in a toroidal and symmetrical form. Cross section of ITCs is rectangular or negligible. This paper presents analytical equations of mutual inductance of two ITCs applicable to tokamak reactors using the filament method. These equations are based on those formulated by Neuma... View full abstract»

• ### Numerical Simulation of Downstream Kinetics of an Atmospheric-Pressure Nitrogen Plasma Jet

Publication Year: 2010, Page(s):3387 - 3392
Cited by:  Papers (4)
| |PDF (321 KB) | HTML

We report the results of the numerical simulation of an atmospheric-pressure nitrogen plasma jet with the focus on the downstream kinetics. The goal is to assess the effect of ambient air on the spatial profile of reactive species densities of the plasma jet. The modeling results show that oxygen readily enters the jet downstream, and the excited-state nitrogen densities decrease drastically with ... View full abstract»

• ### Short-Lived PET Radioisotope Production in a Small Plasma Focus Device

Publication Year: 2010, Page(s):3393 - 3397
Cited by:  Papers (17)
| |PDF (274 KB) | HTML

High-energy deuterons from a small plasma focus device (1.7 kJ) have been used for short-lived radioisotope production. For the 12C(d, n)13N reaction, 40 kBq of 13N was obtained by bombarding a graphite target at a 1-Hz shot repetition rate for 30 s. This could be increased to 10 MBq at a 16-Hz repetition rate. Plasma focus devices operating with higher bank energi... View full abstract»

• ### Pseudomonas aeruginosa Biofilm Inactivation: Decreased Cell Culturability, Adhesiveness to Surfaces, and Biofilm Thickness Upon High-Pressure Nonthermal Plasma Treatment

Publication Year: 2010, Page(s):3398 - 3403
Cited by:  Papers (11)
| |PDF (1062 KB) | HTML

Bacterial biofilms are more resilient to standard killing methods than free-living bacteria. Pseudomonas aeruginosa PAO1 biofilms grown on borosilicate coupons were treated with gas-discharge plasma for various exposure times. Almost 100% of the cells were inactivated after a 5-min plasma exposure. Atomic force microscopy was used to image the biofilms and study their micromechanical properties. R... View full abstract»

• ### A Touchable Pulsed Air Plasma Plume Driven by DC Power Supply

Publication Year: 2010, Page(s):3404 - 3408
Cited by:  Papers (37)
| |PDF (501 KB) | HTML

It remains a challenge to generate cold air plasma at atmospheric pressure. In this paper, a room-temperature atmospheric-pressure air plasma plume is generated by a dc power supply. Current-voltage measurements show that the discharge actually appears periodically with a frequency of about 25 kHz. The discharge current has a pulsewidth that is less than 100 ns while its peak value reaches about 1... View full abstract»

• ### Algorithms for the Automatic Identification of MARFEs and UFOs in JET Database of Visible Camera Videos

Publication Year: 2010, Page(s):3409 - 3418
Cited by:  Papers (13)
| |PDF (509 KB) | HTML

MARFE instabilities and UFOs leave clear signatures in JET fast visible camera videos. Given the potential harmful consequences of these events, particularly as triggers of disruptions, it would be important to have the means of detecting them automatically. In this paper, the results of various algorithms to identify automatically the MARFEs and UFOs in JET visible videos are reported. The object... View full abstract»

• ### 10/350-$muhbox{s}$ Crowbar Pulse Current System

Publication Year: 2010, Page(s):3419 - 3424
Cited by:  Papers (5)
| |PDF (633 KB) | HTML

This paper presents a novel crowbar system of 10/350-μs pulse current. The crowbar pulse current system includes a crowbar pulse current waveform forming circuit, a controlling unit, and a measuring unit. The crowbar pulse current circuit consists of a main air triggered switch, a triggered vacuum switch (TVS) which is used as the crowbar switch, and two trigger signal generators. A kind of... View full abstract»

• ### Efficiency Analysis of an Electromagnetic Railgun With a Full Circuit Model

Publication Year: 2010, Page(s):3425 - 3428
Cited by:  Papers (13)
| |PDF (420 KB) | HTML

An electromagnetic railgun (EMG) fed by a capacitor bank was developed to launch hypervelocity projectiles. The efficiency of the EMG will ultimately determine the scale of its use since it determines the size of the power source. In practice, it is difficult to calculate the energy loss in the EMG system in a simple way, because of complicated physical phenomena such as dynamic friction occurring... View full abstract»

• ### Macroscopic Description of a Discharge Current in a Capillary Discharge System

Publication Year: 2010, Page(s):3429 - 3433
Cited by:  Papers (1)
| |PDF (346 KB) | HTML

Based on a simple circuit model, the global properties of the electrical discharge in a capillary discharge system are investigated by analyzing the breakdown electron temperature in terms of the applied voltage. The electrical charge and current flowing through the capillary hole are calculated from a theoretical model and compared with experimental observations, providing valuable information pe... View full abstract»

• ### New Organic Insulation System to Improve the Surface-Flashover Characteristics in Vacuum

Publication Year: 2010, Page(s):3434 - 3441
Cited by:  Papers (8)
| |PDF (497 KB) | HTML

In this paper, a new organic insulation system is proposed to improve the surface-flashover performance in vacuum by inserting permittivity-gradient multilayer organic composite material between the electrode and the dielectric. Simulation technique was used to calculate and analyze the electric-field distribution of this new insulation system. The result shows that the electric-field strength at ... View full abstract»

• ### Coulomb Collisional Relaxation Process of Ion Beams in Magnetized Plasmas

Publication Year: 2010, Page(s):3442 - 3448
Cited by:  Papers (1)
| |PDF (583 KB) | HTML

An orbit-following code is developed to calculate ion beam trajectories in magnetized plasmas. The equation of motion (the Newton's equation) is solved including the Lorentz force term and Coulomb collisional relaxation term. Furthermore, a new algorithm is introduced by applying a perturbation method regarding the collision term as a small term. The reduction of computation time is suggested. View full abstract»

• ### Formation of a Hot Electron Ring in an ECR Mirror Trap Through a Particle-in-Cell Simulation Study

Publication Year: 2010, Page(s):3449 - 3454
Cited by:  Papers (3)
| |PDF (1068 KB) | HTML

Plasma structure and electron ring formation in a magnetic mirror trap under electron cyclotron resonance (ECR) conditions is studied numerically through a simulation of the Newton-Lorentz equation by a particle-in-cell method. The plasma self-generated electric field is calculated through a numerical solution of the Poisson equation with the help of the fast Fourier transform technique. The zone ... View full abstract»

• ### Flashover Prevention of High Voltage Piezoelectric Transformers by Thin Film Encapsulation

Publication Year: 2010, Page(s):3455 - 3459
| |PDF (413 KB) | HTML

Piezoelectric transformers (PTs) are used as step-up voltage elements in many devices. The University of Missouri is developing a PT as an accelerator for an ion beam. In cases where high-voltage pulses are desired, discharges can result from a large electric field near triple point junctions. Due to the small scale of the device, conductive triple point shields are difficult to employ to prevent ... View full abstract»

• ### Peculiar Photoconductivity in High-Power Semi-Insulating GaAs Photoconductive Semiconductor Switch

Publication Year: 2010, Page(s):3460 - 3463
Cited by:  Papers (3)
| |PDF (481 KB) | HTML

A photoconductive semiconductor switch (PCSS) with a gap of 0.018 m was fabricated from semi-insulating (SI) GaAs and tested under different bias voltages by using a laser at a wavelength of 1064 nm for triggering. The peculiar photoconductivity in high-power SI GaAs PCSS is reported. The PCSS operates in linear mode at bias voltages of 4 and 6 kV, because the waveform of photocurrent is similar t... View full abstract»

• ### Generation of Plasma Using Capillary Discharge in Water

Publication Year: 2010, Page(s):3464 - 3466
Cited by:  Papers (9)
| |PDF (382 KB) | HTML

This paper is focused on providing a facile method for the production of underwater plasma by a capillary discharge in water. The underwater plasma is formed from a tungsten electrode inserted in a narrow dielectric capillary, showing the breakdown of water vapor in the capillary. This mainly produces atomic oxygen, atomic hydrogen, and hydroxyl radicals from the dissociation of water vapor, revea... View full abstract»

## Aims & Scope

IEEE Transactions on Plasma Sciences focuses on plasma science and engineering, including: magnetofluid dynamics and thermionics; plasma dynamics; gaseous electronics and arc technology.

Full Aims & Scope

## Meet Our Editors

Editor-in-Chief
Steven J. Gitomer, Ph.D.
Senior Scientist, US Civilian Research & Development Foundation
Guest Scientist, Los Alamos National Laboratory
1428 Miracerros Loop South
Santa Fe, NM  87505  87505  USA
tps-editor@ieee.org
Phone:505-988-5751
Fax:505-988-5751 (call first)