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# IEEE Transactions on Plasma Science

## Issue 5  Part 2 • May 2012

This issue contains several parts.Go to:  Part 1

## Filter Results

Displaying Results 1 - 25 of 31

Publication Year: 2012, Page(s):C1 - 1329
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• ### IEEE Transactions on Plasma Science publication information

Publication Year: 2012, Page(s): C2
| PDF (38 KB)
• ### Characteristics of Quantum Magnetosonic-Wave Dispersion

Publication Year: 2012, Page(s):1330 - 1337
Cited by:  Papers (8)
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Using the quantum magnetohydrodynamics model, linear dispersion of magnetosonic waves are studied in a quasineutral quantum electron-ion plasmas in two distinct regimes of nonrelativistic and relativistic degeneracies taking into account the plasma composition effect. It is shown that the paramagnetic spin effects of the degenerated electrons plays a key role in dynamics of magnetosonic waves. The... View full abstract»

• ### A Novel Coaxial Relativistic Backward-Wave Oscillator for Millimeter Wave Generation

Publication Year: 2012, Page(s):1338 - 1343
Cited by:  Papers (3)
| | PDF (320 KB) | HTML

A novel coaxial relativistic backward-wave oscillator (C-RBWO) for millimeter wave generation is proposed and studied by simulation. In the proposed C-RBWO, a coaxial structure is used in the beam-wave interaction region. According to the dispersion relations in the slow-wave structure region, a new simple and effective reflector is designed for effective cutoff the backward-wave at the electron-i... View full abstract»

• ### Studies of the Frequency-Agile Relativistic Magnetron

Publication Year: 2012, Page(s):1344 - 1349
Cited by:  Papers (4)
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A frequency-agile relativistic magnetron in S-band is studied in the theory and experiment. The effects of zero-order component and frequency separation are analyzed in the different resonated structures. It shows that the zero-order component is a main obstacle in the higher frequency section in contrast to the frequency separation in the lower frequency section. The experimental research is carr... View full abstract»

• ### Improvement of Temporal Image Sticking Characteristics Using Negative Sustain Waveform in AC Plasma Display Panel

Publication Year: 2012, Page(s):1350 - 1355
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Temporal image sticking characteristics on the bright screen produced by a negative sustain waveform were examined in comparison with those produced by a positive sustain waveform. From the monitoring of the differences in the display luminance, chromaticity coordinate, color temperature, infrared emission, and address current between the cells with and without temporal image sticking, it was obse... View full abstract»

• ### Multiswitch Equivalent Electrical Model to Characterize Coaxial DBD Tube

Publication Year: 2012, Page(s):1356 - 1361
Cited by:  Papers (6)
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In this paper, a quartz coaxial dielectric-barrier-discharge tube operated at different gas pressures and frequencies has been studied. A sinusoidal voltage up to 2.4 kVp with frequencies 34.5 and 47.5 kHz has been applied to the discharge electrodes for the generation of microdischarges. The experimental results confirm the filamentary nature of discharges when operated at different pressures (30... View full abstract»

• ### Low Temperature Plasma Reforming of Hydrocarbon Fuels Into Hydrogen and Carbon Suboxide for Energy Generation Without $hbox{CO}_{2}$ Emission

Publication Year: 2012, Page(s):1362 - 1370
Cited by:  Papers (5)
| | PDF (731 KB) | HTML

An alternative process of extracting energy from fossil fuels (coal, biomass, hydrocarbons, etc.) without the emission of CO2 is possible with nonequilibrium plasma. Apart from CO and CO2, there exists carbon suboxide (C3O2)-a solid carbon oxide, which can be polymerized to form chemically and thermodynamically stable substances. This article describes a... View full abstract»

• ### Classification of Dielectric Barrier Discharges Using Digital Image Processing Technology

Publication Year: 2012, Page(s):1371 - 1379
Cited by:  Papers (6)
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A digital image processing technology-gray level histogram obtained by image processing of the discharge-is proposed to classify the two kinds of dielectric barrier discharge (DBD) modes. With an increase of the applied voltage, frequency, or exposure time, the kurtosis and the skewness of the gray levels decrease, the standard deviation of the gray levels increases significantly in the case of fi... View full abstract»

• ### A Large-Volume Open-Air Microwave Plasma Based on Parallel Multislot Rectangular Waveguides

Publication Year: 2012, Page(s):1380 - 1385
Cited by:  Papers (6)
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An open-air microwave plasma is generated in the resonant cavity based on parallel multislot rectangular waveguides by using an argon pre-ionization plasma jet device. The side photos show that the plasma separates from the argon jet and gradually shifts to the locations with high electric-field strength when the microwave power increases. In the absence of the plasma jet, the early plasma structu... View full abstract»

• ### Exploratory Data Analysis Techniques to Determine the Dimensionality of Complex Nonlinear Phenomena: The L-to-H Transition at JET as a Case Study

Publication Year: 2012, Page(s):1386 - 1394
Cited by:  Papers (2)
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A strategy to identify and select the most relevant variables to study problems in the exact sciences, when large databases of data have to be explored, is formulated. It consists of a first exploratory stage, performed mainly with the classification and regression tree method, to determine the list of most relevant signals to be used in the analysis of the phenomenon of interest. A linear correla... View full abstract»

• ### Diagnosis of OH Radicals in Air Negative Pulsed Discharge With Nozzle-Cylinder Electrode by Optical Emission Spectroscopy

Publication Year: 2012, Page(s):1395 - 1398
Cited by:  Papers (1)
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OH radicals (A2Σ→ X2Π, 0-0) generated during air negative pulsed discharge are diagnosed in a nozzle-cylinder reactor by optical emission spectroscopy (OES). The nozzle high-voltage discharge electrode is put in the middle of the cylinder steel reactor which is grounded. The effects of the pulse repetition rate, the humidity of the air in th... View full abstract»

• ### Analysis and Evaluation of Three-Stage Twisty Octapole Field Electromagnetic Launcher

Publication Year: 2012, Page(s):1399 - 1406
Cited by:  Papers (5)
| | PDF (934 KB) | HTML

In this paper, we propose an improved launch mode called multistage twisty multipole electromagnetic launcher. The twisty multipole magnetic field configuration is resolved, and the group power supply module is considered. The induced eddy current of the projectile is considered, and the analysis of electromagnetic force and torque has been performed. A full 3-D transient motion simulation with mu... View full abstract»

• ### MOUNA: An Autonomous, Compact, High-Power, and Wideband Electromagnetic Source Based on a Novel Resonant Pulsed Transformer

Publication Year: 2012, Page(s):1407 - 1415
Cited by:  Papers (4)
| | PDF (1428 KB) | HTML

Nowadays, a broad range of modern defense applications requires compact pulsed power generators to produce high-power electromagnetic waves. In a conventional design, such generators consist of a primary energy source and an antenna, separated by a power-amplification system, such as a Marx generator or a Tesla transformer, which forwards the energy from the source to the antenna. The present syst... View full abstract»

• ### Nonlinear Evolution of Shear Flows in Double Tearing Modes

Publication Year: 2012, Page(s):1416 - 1420
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Shear flows induced by the nonlinear evolution of double tearing modes in plasma are studied numerically within the framework of resistive magnetohydrodynamic theory in a slab geometry. Taking into account the plasma resistivity and the distance between two resonant surfaces in a tokamak device, the results show that the effective shear flows are generated in the magnetic island region during the ... View full abstract»

• ### A Scalable Full-Electromagnetic Vlasov Solver for Cross-Scale Coupling in Space Plasma

Publication Year: 2012, Page(s):1421 - 1428
Cited by:  Papers (7)
| | PDF (468 KB) | HTML

Numerical schemes for solving the Vlasov-Maxwell system equations are studied. For studies of cross-scale coupling between fluid-scale dynamics and particle-scale kinetics in collisionless plasma, both highly scalable kinetic code and huge supercomputer are essential. In the present study, a new parallel Vlasov-Maxwell solver is developed by adopting a stable but less dissipative scheme for time i... View full abstract»

• ### Ion-Acoustic Super Solitary Waves in Dusty Multispecies Plasmas

Publication Year: 2012, Page(s):1429 - 1433
Cited by:  Papers (23)
| | PDF (143 KB) | HTML

The concept of a new form of solitary waves-super solitary waves-is proposed, specific for embracing one or several interior separatrices on their wave phase portraits. The super solitary waves of an ion-acoustic type exist, for example, in nonmagnetized plasma containing five species of charged particles. For such plasma, electrostatic potential for ion-acoustic super solitary waves is calculated... View full abstract»

• ### Effects of Duty Cycles of the Plasma Actuators on Improvement of Pressure Distribution Above a NLF0414 Airfoil

Publication Year: 2012, Page(s):1434 - 1440
Cited by:  Papers (3)
| | PDF (754 KB) | HTML

This paper investigates the effects of duty cycle on improvement of pressure distribution above a NLF0414 airfoil using the plasma actuators. Three dielectric barrier discharges as the plasma actuators are flush mounted on airfoil surface in different positions in order to improve pressure at post-stall angle of attacks. The experiments were performed at ReC = 7.5 × 10... View full abstract»

• ### Low Work-Function Coating for an Entirely Propellantless Bare Electrodynamic Tether

Publication Year: 2012, Page(s):1441 - 1445
Cited by:  Papers (5)
| | PDF (173 KB) | HTML

We present the possibility of a low work-function material, calcium aluminate electride, being used for a coating on a bare electrodynamic tether system. Analyses suggest that the coating would eliminate the need for an active cathodic device like a hollow cathode and, consequently, eliminate the need for an expellant to the hollow cathode, thus resulting in an electrodynamic tether system that re... View full abstract»

• ### Proposal of Electrical Edge Joint for a Demountable High-Temperature Superconducting Magnet

Publication Year: 2012, Page(s):1446 - 1452
Cited by:  Papers (5)
| | PDF (825 KB) | HTML

Electrical edge joint of a stacked high-temperature superconducting (HTS) conductor is explored for electrical joints for a demountable HTS toroidal field coil. Demountable coils would be very useful in small tokamak plasma-facing component-test machines, such as Vulcan. The demountable concept explored in this paper consists of forcing together the edges of stacked HTS conductor embedded in a con... View full abstract»

• ### Safety Classifications for the Fusion DEMO Plant of Korea

Publication Year: 2012, Page(s):1453 - 1459
Cited by:  Papers (2)
| | PDF (1152 KB) | HTML

Regulatory requirements and industrial codes and standards (C&S) are to be compulsory top-tier prerequisites for the design and construction of the fusion DEMO plant of Korea (DEMO Plant) as it will have safety-related functions to mitigate radiation hazards to the environment. However, these prerequisites will be developed in parallel with the design and construction of DEMO Plant due to the ... View full abstract»

• ### Assessment of the Operational Dose Rate in Polymer Insulators in the Test Cell of the IFMIF Neutron Source

Publication Year: 2012, Page(s):1460 - 1465
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Insulators for electrical connections of the test modules in the test cell of the International Fusion Materials Irradiation Facility (IFMIF) neutron source will be exposed to intense ionizing radiation even if they are located away from the neutron source. The aim of this work was to check whether radiation-hard polymers, for example polyimide, would be sufficiently long-lasting in such an enviro... View full abstract»

• ### Influence of Plasma Operation on the PF Circulator of KSTAR HRS System During 2010 Campaign

Publication Year: 2012, Page(s):1466 - 1471
Cited by:  Papers (1)
| | PDF (973 KB) | HTML

The helium refrigeration system (HRS) of the Korea Superconducting Tokamak Advanced Research (KSTAR), which was designed to provide an energetic equivalent cooling power of 9 kW at 4.5 K, has been operated successfully during the last three years since 2008. For the operation of KSTAR, all of the cold components, such as the superconducting (SC) magnets, magnet structure, thermal shields, SC busli... View full abstract»

• ### MHD Analysis and Preparation of an Experiment for Developing the Korean Test Blanket Module

Publication Year: 2012, Page(s):1472 - 1476
| | PDF (674 KB) | HTML

To develop a Korean (KO) test blanket module (TBM) for an International Thermonuclear Experimental Reactor (ITER), particularly for a liquid breeder type, a currently developed conventional code, CFX, with an electromagnetic module for analyzing the magnetohydrodynamics (MHD) effect of the liquid breeder under a high magnetic field is numerically validated using a theoretical equation and previous... View full abstract»

• ### Development of ITER Sector Subassembly Procedure, Tools, and Mock-up Test

Publication Year: 2012, Page(s):1477 - 1483
Cited by:  Papers (1)
| | PDF (1707 KB) | HTML

The subassembly procedure and relevant tools for the complete 40° sector assembly as a foundation of the ITER machine have been developed to meet technical and functional requirements for years. Based on the concept of subassembly procedure and tools provided by ITER Organization, detailed procedure and relevant purpose-built assembly tools are developed by Korea Domestic Agency.... 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)