# IEEE Transactions on Plasma Science

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Displaying Results 1 - 25 of 28

Publication Year: 2011, Page(s):C1 - 825
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• ### IEEE Transactions on Plasma Science publication information

Publication Year: 2011, Page(s): C2
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• ### Enhanced Convective Amplification of Stimulated Brillouin Scattering of Laser Radiation in Inhomogeneous Magnetized Plasma

Publication Year: 2011, Page(s):826 - 830
Cited by:  Papers (1)
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Convective amplification of stimulated Brillouin backscattering (SBBS) in inhomogeneous magnetized plasma is investigated. The slow-coupling equations for the instability in a plasma, with a linear density ramp and an ambient dc-magnetic field vertical to the direction of the propagation of the pump electromagnetic wave, are obtained. A correction on the SBBS convective amplification factor... View full abstract»

• ### Analytical Calculation of Gas Temperature and Experimental Determination of Electron Temperature in Gas Discharge in Ne–He Mixtures

Publication Year: 2011, Page(s):831 - 835
Cited by:  Papers (6)
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Thermal conductivities of binary gas systems are calculated on the basis of existing experimental data and of 12-6 Lennard-Jones and rigid-sphere interatomic interaction approximations for the case of gas discharge in Ne-He mixtures. Assuming that the gas temperature varies only in the radial direction and using the calculated thermal conductivities, an analytical solution of the steady-state heat... View full abstract»

• ### Effects of Laser Surface Modification on Secondary Electron Emission of Copper

Publication Year: 2011, Page(s):836 - 841
Cited by:  Papers (4)
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The effects of surface roughness on secondary electron emission (SEE) are investigated for copper. The surface of the copper samples was modified using a high-power neodymium-doped yttrium aluminum garnet laser, where the degree of surface modification depended on the duration and intensity of the laser exposure. Four different levels of modification were tested, in addition to the unmodified samp... View full abstract»

• ### Electron Dynamics in Presence of Static Helical Magnet Inside Circular Waveguide

Publication Year: 2011, Page(s):842 - 846
Cited by:  Papers (4)
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The dynamics of an electron in the fields associated with a TE electromagnetic wave propagating inside a circular waveguide is analytically studied. The motion of this electron along the axis of the waveguide is investigated in the existence of a helical magnet (in which the field is perpendicular to the axis of the waveguide and rotating as a function of position along the magnet). It is shown th... View full abstract»

• ### A 140-GHz Two-Beam Overmoded Folded-Waveguide Traveling-Wave Tube

Publication Year: 2011, Page(s):847 - 851
Cited by:  Papers (20)
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A folded-waveguide (FW) traveling-wave tube (TWT) with two electron beams, which operates at the higher order mode, is simulated. Operating with two electron beams means that a larger beam current can be used for a higher output power. Meanwhile, the electric field density of the fundamental mode is not the strongest at the center of the beam channel, so the competition of the fundamental mode is ... View full abstract»

• ### Simulation of Electromagnetic Wave Propagation Through Plasma Sheath Using the Moving-Window Finite-Difference Time-Domain Method

Publication Year: 2011, Page(s):852 - 855
Cited by:  Papers (28)
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When a hypersonic vehicle reenters the Earth's atmosphere, plasma sheath generated by its collision with ambient air affects the electromagnetic (EM) wave propagation. To understand such effects is very important for the design of communication, telemetry, and satellite navigation systems. In this paper, the transmission coefficient of the plasma sheath is investigated using the finite-difference ... View full abstract»

• ### Experimental Investigation of Two-Phase Mixture Discharges Under DC Voltage From Effects of Macroparticle Sizes

Publication Year: 2011, Page(s):856 - 864
Cited by:  Papers (2)
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There has been a significant interest in many technical applications and natural phenomena concerning two-phase mixture discharges (TPMDs). Few studies have focused on the influences of different macroparticles on TPMDs. The dielectric constant is usually considered to be the only factor affecting the discharges, but in this paper, 21 kinds of different dielectric materials were used to investigat... View full abstract»

• ### Chemical Efficiency of $hbox{H}_{2}hbox{O}_{2}$ Production and Decomposition of Organic Compounds Under Action of DC Underwater Discharge in Gas Bubbles

Publication Year: 2011, Page(s):865 - 870
Cited by:  Papers (14)
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A dc underwater discharge generated in gas bubbles (air, Ar, He, and N2) in a NaH2PO4 · 2H2O solution is studied. It is shown that the maximal concentration of hydrogen peroxide produced in the discharge does not depend on gas composition. The energy efficiency of H2O2 production is, however, gas dependent, and the highest va... View full abstract»

• ### Generation and Electrical Diagnostic of an Atmospheric-Pressure Dielectric Barrier Discharge

Publication Year: 2011, Page(s):871 - 876
Cited by:  Papers (4)
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In this paper, the author develops a method of generation and characterization using an electrical model of a dielectric barrier discharge at atmospheric pressure. The principle of plasma generation is based on the resonant behavior of the secondary circuit of a modified flyback transformer, with the working frequency being 48 kHz. The plasma chamber is made of glass, and the working gas is helium... View full abstract»

• ### Abatement of Toluene in the Plasma-Driven Catalysis: Mechanism and Reaction Kinetics

Publication Year: 2011, Page(s):877 - 882
Cited by:  Papers (8)
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The mechanism and reaction kinetics of toluene destruction in a plasma-driven catalysis (PDC) system were studied. The results show that the toluene removal efficiency (TRE) is greatly increased while the level of O3 by-product is significantly reduced in PDC as compared with that in nonthermal plasma (NTP). The rate constant of toluene destruction in the PDC is more than twice than tha... View full abstract»

• ### Optical and Electrical Diagnostics of the Effects of Conductivity on Liquid Phase Electrical Discharge

Publication Year: 2011, Page(s):883 - 892
Cited by:  Papers (35)
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The influence of solution conductivity on liquid phase pulsed electrical discharge was investigated by optical emission spectroscopy in a reactor with point-to-plane electrode geometry. The emission intensities of hydroxyl (OH) radical, hydrogen (H) radical, and oxygen (O) radical were measured using an emission intensity calibration method which used argon gas as a chemical actinometer. Control e... View full abstract»

• ### Plasma Position Determination by Using Fixed Boundary Conditions in GSE Solution Versus Experimental Technique in IR-T1 Tokamak

Publication Year: 2011, Page(s):893 - 896
Cited by:  Papers (2)
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Plasma position displacement is presented by considering linear source functions in the Grad-Shafranov equation (GSE) solution and by assuming circular fixed boundary conditions and a constant plasma minor radius in the IR-T1 Tokamak. A new method for the GSE analytical solution is demonstrated by imposing constraints on the plasma current measured by the Rogowski coil and βp + l View full abstract»

• ### Langmuir Probe Measurements of Nd-YAG Laser-Produced Copper Plasmas

Publication Year: 2011, Page(s):897 - 900
Cited by:  Papers (6)
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The plasma was produced by focusing Nd-YAG laser pulses of 1064-nm wavelength and 10-ns duration onto a copper target. A time-resolving plane Langmuir probe was used to record the electron and ion currents during the plasma expansion in vacuum. The Langmuir probe theory was used to determine the temporal variation of the plasma potential, electron temperature, and ion density. At the time of maxim... View full abstract»

• ### Study of Switching Characteristics of Static Induction Thyristor for Pulsed Power Applications

Publication Year: 2011, Page(s):901 - 905
Cited by:  Papers (2)
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It is difficult to design a standard gate driver for optimal switching control of a static induction thyristor (SI-Thy) because of its unique internal structure and the direct commutation switching characteristic between the gate and cathode terminals during the transient turn-on and turn-off switching phases. Therefore, it is important to develop a simple and effective gate driver for achieving o... View full abstract»

• ### A Compact Wideband Antenna Integrated With a Pulse-Forming Line for Transient Pulse Radiation

Publication Year: 2011, Page(s):906 - 910
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A compact wideband antenna integrated with a pulse-forming line for transient pulse radiation is proposed in this paper. It can be used in the fields such as ultrawideband (UWB) radar, ground-penetrating radar, UWB communications, etc. This antenna is integrated with a solid-state switch and a planar Blumlein pulse-forming line. The dimension of the antenna is 300 mm × 300 mm × 3 mm.... View full abstract»

• ### Study on Influence of Self-Generated Axial Magnetic Field Upon High-Current Vacuum Arc Behavior at a Long Contact Gap in High-Voltage Vacuum Interrupter

Publication Year: 2011, Page(s):911 - 917
Cited by:  Papers (3)
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In this paper, the high-current vacuum arc characteristics under self-generated axial magnetic field (AMF) generated by a sinusoidal current flowing through the coil type of AMF contacts are investigated at long contact gaps of 40 and 60 mm. The distributing characteristics of the AMF in the contact gap are studied by a finite-element method, taking eddy current effect into account. Vacuum arc app... View full abstract»

• ### Determination of OH Radicals in an Atmospheric Pressure Helium Microwave Plasma Jet

Publication Year: 2011, Page(s):918 - 924
Cited by:  Papers (21)
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A recent study has reported the observation of the OH radicals in the far downstream of an atmospheric argon microwave plasma jet. The far downstream is referred to as the location where the ratio of the distance from the jet orifice to the length of the jet column is greater than three. In this paper, we report that this phenomenon also exists in a similar plasma jet that is 2.5 mm long, operated... View full abstract»

• ### The Thrust Characteristic Investigation of Transverse Flux Tubular Linear Machine for Electromagnetic Launcher

Publication Year: 2011, Page(s):925 - 930
Cited by:  Papers (9)
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This paper investigates the thrust characteristics of the transverse flux tubular linear machine, including theoretical analysis and numerical calculation. The influence of structure parameters on the thrust force and cogging force characteristics is analyzed in detail. Special attention is paid to the length of stator segment, air-gap length, and pole-arc coefficient. The analysis results provide... View full abstract»

• ### An Analytic Expression of Inductance Gradient for Rail-Type Electromagnetic Launcher

Publication Year: 2011, Page(s):931 - 934
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The rail-type electromagnetic launcher (EML) has good development and applied prospects for military and civilian dual purpose. The inductance gradient is an important parameter to design the EML structure and evaluate the system performance. Based on the Biot-Savart law and current skin-effect behavior, we derive an analytic formula to predict the EML inductance gradient, which expands Batteh's f... View full abstract»

• ### Numerical Modeling of Helical Launchers

Publication Year: 2011, Page(s):935 - 940
Cited by:  Papers (14)
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Helical launchers have become attractive because of their high inductance gradient that allows obtaining a large thrust force for a given feeding current. Furthermore, helical launchers are characterized by a large maximum theoretical efficiency also in constant current mode. The possible presence of destructive arcs and the dissipation of the commutation energy in the brush material are serious p... View full abstract»

• ### Disrupting Armature Ejecta and Its Effects on Rail Damage in Solid-Armature Railguns

Publication Year: 2011, Page(s):941 - 946
Cited by:  Papers (5)
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Material ejected from aluminum armatures at the rail-armature interface has been identified as a mechanism that degrades both rails and insulators in a railgun, significantly reducing the bore lifetime. With the goal of controlling the onset of armature ejecta, a series of single-shot tests was conducted in a small railgun with a bore cross section of 22 × 44 mm. The tests utilized channels... View full abstract»

• ### Investigation Into the Behavior of Armature Ejecta in Electromagnetic Launchers

Publication Year: 2011, Page(s):947 - 952
Cited by:  Papers (2)
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It is hypothesized that damage to G10 railgun insulators occurs when a very concentrated stream of molten aluminum, which is ejected out of the armature-rail interface, impacts the insulators at 90° angle and acts as a cutting tool that erodes away the material. In order to test this hypothesis, access to the inside of the railgun bore has been made to visually examine the material ejected ... View full abstract»

• ### River Water Remediation Using Electrohydraulic Discharges or Ozonation

Publication Year: 2011, Page(s):953 - 959
Cited by:  Papers (4)
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River water cleaning from microorganisms using electrohydraulic discharges and ozonation was investigated. The processed water was highly polluted with the total number of microorganisms (70 400 cfu/mL) and total Escherichia coli bacteria (280 cfu/mL). The processing was conducted in a tube reactor with a hollow needle-rod electrode configuration. A 400-mL sample of river water was treated at diff... 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)