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Plasma Science, IEEE Transactions on

Issue 1 • Date March 1979

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Displaying Results 1 - 20 of 20
  • Table of contents

    Publication Year: 1979 , Page(s): c1
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  • IEEE Transactions on Plasma Science

    Publication Year: 1979 , Page(s): c2
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  • Editorial

    Publication Year: 1979 , Page(s): 1
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  • Fast-Wave Resonances near the Ion Cyclotron Frequency

    Publication Year: 1979 , Page(s): 2 - 5
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (1081 KB)  

    Wave damping has been observed for the fast (compressional) wave at frequencies that are about 10 percent above the second and third harmonics of the ion cyclotron frequency. Preliminary calculations indicate that this shift is the result of collisions. The waves were launched by a 1-turn loop around the cylindrical plasma column and damped in a magnetic beach. The highly ionized hydrogen or deute... View full abstract»

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  • Waveguide Modes of a Warm, Transversely Drifting, Electron Plasma with a Strong Transverse Magnetic Field

    Publication Year: 1979 , Page(s): 6 - 9
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (819 KB)  

    The dispersion relation of TM modes with respect to the direction of the static magnetic field is derived for a waveguide filled with warm plasma which is uniaxial and drifting in the transverse direction of the guide axis. The expressions for the fields are also derived. The propagation characteristics of TM modes are studied in detail. When the drift velocity is greater than the acoustic velocit... View full abstract»

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  • Supercritical Density Modifications of a Laser-Produced Plasma Due to Resonant Cavity Fields

    Publication Year: 1979 , Page(s): 9 - 12
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (1163 KB)  

    A laser plasma is produced at the center of a cylindrical cavity while radio-frequency excitation of moderate power is supplied near the TM011 and TE111 vacuum-mode frequencies. Probe and particle collector measurements show density modification of the plasma during its decay due to resonances excited by the RF source. The magnitudes of these density changes are found to be near and exceeding crit... View full abstract»

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  • Kinetic Theory of Inhomogeneous Plasmas Situated in RE Fields

    Publication Year: 1979 , Page(s): 12 - 20
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    The stability effect that an RF electric field imposes on drift instabilities in a magnetized plasma, inhomogeneous in density and temperature, is investigated in the kinetic approximation, taking account of the finite ion Larmor radii. Stabilization of drift instabilities is examined in three frequency ranges:¿/k¿ < ¿th,i, ¿th,i < ¿/k¿ < ¿th,e, and ¿/k¿ > ¿th,e, where k¿ is the compone... View full abstract»

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  • Efficient High-Power High-Energy Neutral Beams for the Reference Mirror Reactor

    Publication Year: 1979 , Page(s): 21 - 34
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (2582 KB)  

    The neutral beams for the reference mirror reactor are provided via four separate injectors using negative ions created by charge exchange in a cesium-vapor cell and neutralized by photodetachment. Each of the injectors delivers the equivalent of 1800 A of the desired mixture of 150-keV deuterium and tritium neutrals. Each injector consists of 23 ion sources of a modified Lawrence Berkeley Laborat... View full abstract»

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  • An Analytic Model of the Minimum-Average-B Levitron

    Publication Year: 1979 , Page(s): 35 - 38
    Cited by:  Papers (1)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (646 KB)  

    An expansion model to the first order in r, which includes the toroidal correction, and which is feasible for analytical calculations, is derived in the curvilinear toroidal system of coordinates for the minimum-average-B levitron. Expansions, in powers of r, are derived for the current ring potential, the magnetic field components of the axisymmetric levitron, and the components of the perturbati... View full abstract»

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  • Nonequilibrium Stability of Resistive Magnetohydrodynamic Pinches

    Publication Year: 1979 , Page(s): 39 - 43
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    The classical method of determining the stability of MHD equilibria is generalized to the case of an electrically resistive and thermally conductive imploding dynamic pinch so that the onset and linear behavior of three-dimensional nonequilibrium instabilities can be studied. Dynamically induced Rayleigh-Taylor instabilities are shown to appear in a cylindrically symmetric theta pinch at just thos... View full abstract»

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  • Modeling and Measurement of the Initial Anode Heat Fluxes in Pulsed High-Current Arcs

    Publication Year: 1979 , Page(s): 44 - 48
    Cited by:  Papers (1)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (1355 KB)  

    An anode heat flux model has been developed for pulsed high-intensity dc arcs. The model is based on temperature-time-history measurements of the rear face of a very thin plane anode and high-speed streak photographs of the arc. The arc heat flux model is derived from a comparison of experimental data with an analytical solution of the one-dimensional heat conduction equation and the arc intensity... View full abstract»

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  • The Single Langmuir Probe under Orbital-Limited Conditions in a Low-Density Collisional Plasma

    Publication Year: 1979 , Page(s): 49 - 52
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (572 KB)  

    The cylindrical Langmuir probe under orbital-limited conditions was used to determine the charge density in a low-density collisional plasma. The Langmuir's theory was applied to both electron and ion saturation currents in their respective accelerating regions. Present study indicates that the length of the probe significantly affects the probe characteristics. A probe of suitable length under or... View full abstract»

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  • Linear Theory of Radially Inhomogeneous, Unneutralized, Relativistic Electron Beams

    Publication Year: 1979 , Page(s): 53 - 61
    Cited by:  Papers (3)
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (2135 KB)  

    A set of four, coupled, first-order differential equations describing the normal modes of a cylindrically symmetric, cold fluid, unneutralized, relativistic electron beam of arbitrary radial profile is derived. Effects of beam rotation and equilibrium fields are treated exactly. The differential equations are found to have singular points for a radially inhomogeneous beam wherever the eigenfrequen... View full abstract»

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  • Microsecond-Pulsed Ion Beam from a Marx Generator

    Publication Year: 1979 , Page(s): 62 - 64
    Save to Project icon | Request Permissions | Click to expandAbstract | PDF file iconPDF (520 KB)  

    We have maintained Langmuir-Child bipolar flow at a peak voltage of 650 kV in a vacuum diode for 1 ¿s without gap closure or electrical breakdown of the diode insulator. An ion current of > 300 A (> 7.5 A/cm2) was extracted from the diode in a beam having a large component of divergence < 10-2 rad. View full abstract»

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  • Correction to "Time Dependence of Anode Spot Formation Threshold Current in Vacuum Arcs"

    Publication Year: 1979 , Page(s): 65
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  • Correction to "On the Resistive Electromagnetic Ion Cyclotron Instability"

    Publication Year: 1979 , Page(s): 65
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  • NPSS Sponsored Meetings

    Publication Year: 1979 , Page(s): 66
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  • IEEE copyright form

    Publication Year: 1979 , Page(s): 67 - 67-a
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  • Information for authors

    Publication Year: 1979 , Page(s): 67b
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  • Affliate Plan of the IEEE Nuclear and Plasma Sciences Society

    Publication Year: 1979 , Page(s): 67-c
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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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