IEEE Transactions on Plasma Science

Issue 10  Part 1 • Oct. 2010

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Displaying Results 1 - 25 of 47

Publication Year: 2010, Page(s):C1 - 2505
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• IEEE Transactions on Plasma Science publication information

Publication Year: 2010, Page(s): C2
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• Special Issue on Pulsed Power Science and Technology

Publication Year: 2010, Page(s): 2506
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• Detailed Simulation of the CYGNUS Rod Pinch Radiographic Source

Publication Year: 2010, Page(s):2507 - 2513
Cited by:  Papers (3)
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In this paper, we present the results from particle-in-cell simulations of the nominally 2-MV 40-kA CYGNUS radiographic machine using a standard rod pinch diode. The rod pinch electron-beam diode consists of a small-diameter high-atomic-number anode extending through a thin cathode aperture. A significant shot-to-shot variation of the photon spectrum emerging from the anode can introduce an error ... View full abstract»

• Electrostatic Field Simulation Study of Nanoparticles Suspended in Synthetic Insulating Oil

Publication Year: 2010, Page(s):2514 - 2519
Cited by:  Papers (4)
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Electrostatic field simulations have been performed to investigate the effect of barium strontium titanate (BST) nanoparticle suspensions on electric fields within synthetic oil dielectrics. We predict that by physically integrating nanoparticles of high dielectric constants into the breakdown regime, the self-break jitter in rep-rate oil switches might be reduced. The simulations show that the na... View full abstract»

• A Method for Numerically Modeling a Power-Conditioning System With an Electroexplosive Opening Switch

Publication Year: 2010, Page(s):2520 - 2530
Cited by:  Papers (4)
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Due to the complex relationship between the current history through an electroexplosive opening switch (EEOS) and the switch impedance, numerical modeling methods are required to understand the dynamic switch and circuit behavior of inductive energy storage systems incorporating EEOSs. A method for numerically modeling a compact pulsed-power system consisting of a high-current source, an inductive... View full abstract»

• Pulsed Current-Mode Supply of Dielectric Barrier Discharge Excilamps for the Control of the Radiated Ultraviolet Power

Publication Year: 2010, Page(s):2531 - 2538
Cited by:  Papers (14)
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UV excimer lamps are efficient narrowband sources of UV radiation with applications in various domains. The issue of controlling the UV emission by means of the power supply associated with such lamps favors pulsed current-controlled generators. After having established the previous statements, we propose a dedicated power converter topology which implements the needed performances. The analysis o... View full abstract»

• An In-depth Investigation of the Effect of Oil Pressure on the Complete Statistical Performance of a High-pressure Flowing Oil Switch

Publication Year: 2010, Page(s):2539 - 2547
Cited by:  Papers (5)
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A high-pressure flowing oil dielectric switch was developed for high-performance, high-voltage switching. It was evaluated by a team at the University of Missouri-Columbia. The switch was designed to produce a continuous train of nanosecond-rise electrical impulses, with a peak output power ranging up to several gigawatts, and at repetition frequencies ranging up to several kilohertz. High-pressur... View full abstract»

• Optimal Design of a Grid-Cathode Structure in a Spherically Convergent Beam Fusion Device by Response-Surface Methodology Combined With Experimental Design

Publication Year: 2010, Page(s):2548 - 2553
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To apply fusion energy through a spherically convergent beam fusion (SCBF) device as a portable neutron source, neutron production is very important. The rate of production is greatly dependent upon the ion current, which is closely related to the potential-well structure within a grid cathode. In this paper, we propose a design method by varying the cathode-ring sizes to produce an optimal grid-c... View full abstract»

• A 6-MV Pulser to Drive Horizontally Polarized EMP Simulators

Publication Year: 2010, Page(s):2554 - 2558
Cited by:  Papers (6)
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L-3 Pulse Sciences (L-3 PS) is fabricating a 6-MV biconic pulse generator to drive a horizontally polarized dipole electromagnetic pulse simulator antenna at the Naval Air Systems Command, Pax River. The L-3 PS pulser, i.e., the horizontal fast rise electromagnetic pulser (HFREMP), will replace the Maxwell Laboratories ML-5 pulser. The HFREMP project is funded through the Central Test and Evaluati... View full abstract»

• Stability of Injection of a Subnanosecond High-Current Electron Beam and Dynamic Effects Within Its Rise Time

Publication Year: 2010, Page(s):2559 - 2564
Cited by:  Papers (29)
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The stability of the injection of short electron beams and the dynamic processes that occur during their transport were experimentally studied. Beams of energy 200-300 keV, current of 1-1500 A, and duration of 0.05-3 ns with a current rise time of 30-300 ps were formed in a cold-cathode electrode gap. The distribution of the accelerating electric field was highly nonuniform. The cases of vacuum an... View full abstract»

• Optimal Design of a 3.5-kV/11-kW DC–DC Converter for Charging Capacitor Banks of Power Modulators

Publication Year: 2010, Page(s):2565 - 2573
Cited by:  Papers (17)
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For the generation of short high-power pulses in many applications, power modulators based on capacitor discharge are used, where the peak power is drawn from the input capacitor bank. In order to continuously recharge the energy buffer during operation at a lower average power, usually, power supplies connected to the mains are used. Due to the worldwide variation in mains voltages and the desire... View full abstract»

• An FDTD Interaction Scheme of a High-Intensity Nanosecond-Pulsed Electric-Field System for In Vitro Cell Apoptosis Applications

Publication Year: 2010, Page(s):2574 - 2582
Cited by:  Papers (9)
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A finite-difference time-domain analysis of a high-intensity nanosecond-pulsed electric-field (nsPEF) system, composed of a pulse-forming line (PFL) and a universal electroporation cuvette, is described. The simulation scheme is based on interactions of 1-D transmission-line equations for the PFL and 3-D Maxwell's curl equations for the cuvette volume. Simulations incorporate system adjustment to ... View full abstract»

• Modes of Generation of Runaway Electron Beams in He, $hbox{H}_{2}$, Ne, and $hbox{N}_{2}$ at a Pressure of 1–760 Torr

Publication Year: 2010, Page(s):2583 - 2587
Cited by:  Papers (22)
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In this paper, the characteristics of runaway electron beams downstream of a foil anode were studied at a pressure of helium, hydrogen, neon, and nitrogen of 1-760 torr. High-voltage pulses (~150 and ~250 kV) with pulse rise times of ~300 and ~500 ps were applied to the tubular cathode-plane anode gap. It is shown that the highest amplitudes of a supershort avalanche electron beam (SAEB) of 100-ps... View full abstract»

• High-Performance Pulsed-Power Generator Controlled by FPGA

Publication Year: 2010, Page(s):2588 - 2592
Cited by:  Papers (25)
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The high reliability, high repetition rate, high performance, and compactness of pulsed-power generators are required for industrial applications. Also, the control of a pulsed-power generator becomes more complicated with increasing functions. An all-solid-state pulsed-power generator can be controlled by using a field-programmable gate array (FPGA). The pulsed-power generator consists of a charg... View full abstract»

Publication Year: 2010, Page(s):2593 - 2603
Cited by:  Papers (15)
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This paper explains the design and production of two autonomous ultrawideband (UWB) radiation sources. These sources consist of a high-gain broadband antenna that is driven by one of two subnanosecond pulsed power sources. Each source is made up of a Marx generator and a pulse-forming device based on the use of a gaseous spark gap. The first source combines a four-stage 200-kV/34-J Marx generator ... View full abstract»

• A High-Power High-Voltage Power Supply for Long-Pulse Applications

Publication Year: 2010, Page(s):2604 - 2610
Cited by:  Papers (10)
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This paper describes a concept and a physical demonstration of a high-efficiency small-size low-cost 100-kV 100-kW high-voltage (HV) power supply (HVPS) designed for long-pulse applications (units of milliseconds to dc operation). Key technology includes a modular HV converter with energy-dosing inverters that run at about 50 kHz and have demonstrated an efficiency of 97.5% across a wide range of ... View full abstract»

• Impulse-Breakdown Characteristics of Polymers Immersed in Insulating Oil

Publication Year: 2010, Page(s):2611 - 2619
Cited by:  Papers (11)
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Surface discharges along oil-immersed solids used as insulators and supports in high-voltage pulsed-power equipment can lead to catastrophic system failures. To achieve reliable compact pulsed-power systems, it is important to quantify the electrical fields at which surface flashover, or other types of breakdown event, will occur for different dielectric materials. This paper reports the observed ... View full abstract»

• Genesis: A 5-MA Programmable Pulsed-Power Driver for Isentropic Compression Experiments

Publication Year: 2010, Page(s):2620 - 2626
Cited by:  Papers (11)
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Enabling technologies are being developed at Sandia National Laboratories to improve the performance and flexibility of compact pulsed-power drivers for magnetically driven dynamic materials properties research. We have designed a modular system that is capable of precision current pulse shaping through the selective triggering of pulse-forming components into a disk transmission line feeding a st... View full abstract»

• High-Power Ultrafast Current Switching by a Silicon Sharpener Operating at an Electric Field Close to the Threshold of the Zener Breakdown

Publication Year: 2010, Page(s):2627 - 2632
Cited by:  Papers (5)
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A new principle of high-power ultrafast current switching by Si sharpener based on a successive breakdown of the series-connected structures has been experimentally implemented and theoretically studied. A voltage pulse with an amplitude of 180 kV and a rise time of 400 ps was applied to a semiconductor device containing 44 series-connected diode structures located in a 50- transmission line. Due ... View full abstract»

• All-Solid-State Repetitive Pulsed-Power Generator Using IGBT and Magnetic Compression Switches

Publication Year: 2010, Page(s):2633 - 2638
Cited by:  Papers (20)
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By utilizing power semiconductor switches, especially high-voltage insulated gate bipolar transistors (IGBTs), as main switches, Marx modulators have demonstrated many advantages such as variable pulse length and pulse-repetition frequency, snubberless operation, and inherent redundancy. However, the relatively slow turn-on speed of the IGBT influences the pulse rise time of the Marx modulator. In... View full abstract»

• Energy Efficiency Improvement of Nitric Oxide Treatment Using Nanosecond Pulsed Discharge

Publication Year: 2010, Page(s):2639 - 2643
Cited by:  Papers (39)
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Pulsed streamer discharge plasmas, one type of nonthermal plasma, have been used to treat exhaust gases. Since a pulsewidth of applied voltage has a strong influence on the energy efficiency of the removal of pollutants, the development of a short-pulse generator is of paramount importance for practical applications. In this paper, a nanosecond (ns) pulse generator which has a 5-ns pulse duration ... View full abstract»

• Mechanisms of Impulse Breakdown in Liquid: The Role of Joule Heating and Formation of Gas Cavities

Publication Year: 2010, Page(s):2644 - 2651
Cited by:  Papers (11)
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The impulse dielectric behavior of insulating liquids is of significant interest for researchers and engineers working in the field of design, construction, and operation of pulsed power systems. Analysis of the literature data on transformer oils shows that potentially there are several different physical processes that could be responsible for dielectric breakdown by submicrosecond and microseco... View full abstract»

• Overview of Self-Magnetically Pinched-Diode Investigations on RITS-6

Publication Year: 2010, Page(s):2652 - 2662
Cited by:  Papers (35)
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The electron-beam-driven self-magnetically pinched diode is a candidate for future flash X-ray radiographic sources. As presently fielded on Sandia Laboratories' six-cavity Radiographic Integrated Test Stand (RITS-6), the diode is capable of producing sub 3-mm radiation spot sizes and greater than 350 rads of hard X-rays at 1 m. The diode operates between 6 and 7 MV with a slowly decreasing impeda... View full abstract»

• A New Type Rotating Arc Gap Switch and Its Arc Velocity Characteristics

Publication Year: 2010, Page(s):2663 - 2668
Cited by:  Papers (3)
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A rotating arc gap (RAG) switch controlled by an axial magnetic field is designed and built to meet the requirements of high voltage, high current, large charge transfers, slight electrode erosion, and long lifetime. The electrodes are in a coaxial cylinder configuration. The shape of the electrodes is optimized to make the electric field well distributed. Therefore, the arc initiates randomly on ... 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.

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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
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