IEEE Transactions on Plasma Science

Volume 10 Issue 3 • Sept. 1982

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Displaying Results 1 - 16 of 16
  • Table of contents

    Publication Year: 1982, Page(s): c1
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  • IEEE Transactions on Plasma Science

    Publication Year: 1982, Page(s): c2
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  • Dielectric recovery of an axially blown SF6-Arc after current zero: part I-experimental investigations

    Publication Year: 1982, Page(s):141 - 153
    Cited by:  Papers (29)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (5793 KB)

    The results are presented of a model experiment to investigate the dielectric recovery of an axially blown sulphur hexafluoride (SF6) arc after current zero. With the aid of Schlieren pictures and interferometry, the temperature decay after current zero is observed up to the point of complete recovery of the gap. The dielectric recovery is directly measured by applying voltage pulses ac... View full abstract»

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  • Dielectric recovery of an axially blown SF6-Arc after current zero: part II-theoretical investigations

    Publication Year: 1982, Page(s):154 - 162
    Cited by:  Papers (28)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1465 KB)

    A three-dimensional (r,z,t) numerical model for the decay of the hot-gas channel after current zero is developed by transforming the differential equations for mass, momentum, and energy conservation into isotherms. The relative importance of the various parameters which govern the temperature recovery is evaluated with the aid of a systematic sensitivity analysis. Turbulence, especialiy in the re... View full abstract»

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  • Dielectric recovery of an axially blown SF6-Arc after current zero: part III-comparison of experiment and theory

    Publication Year: 1982, Page(s):162 - 172
    Cited by:  Papers (22)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1883 KB)

    A detailed comparison between experiment and theory is made on the basis of the results of Parts I and II. As a first step, a theoretical solution is derived which is based on experimental results for the turbulence onset and for the radial temperature profile at current zero. This solution is compared with the various measured data, e. g., the radius of the hot-gas channel as a function of time a... View full abstract»

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  • Small-Scale Anode Activity in Vacuum Arcs

    Publication Year: 1982, Page(s):173 - 180
    Cited by:  Papers (18)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (5569 KB)

    Coordinated high-speed movies, streak photographs, and voltage/current oscillograms have been taken for vacuum arcs on copper-based electrodes at peak currents up to 70 kA in half-cycle pulses. These results show that small-scale transient luminous anode-spot activity is associated with the strong voltage noise that precedes the establishment of the conventional large anode spots. The characterist... View full abstract»

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  • Experiments on Ion-Acoustic Solitons in Plasmas Invited Review Article

    Publication Year: 1982, Page(s):180 - 195
    Cited by:  Papers (101)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (6766 KB)

    Experiments on ion-acoustic solitons are reviewed. Theories and numerical simulations which are relevant to experimental results are also presented. The measured velocity and width of planar solitons are compared with the predictions of the Korteweg-deVries (KdV) equation which includes a finite ion temperature. The spatial evolution of compressive or rarefactive pulses is discussed. Cylindrical a... View full abstract»

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  • Quadrupole Radiation of Ion-Acoustic Waves

    Publication Year: 1982, Page(s):195 - 198
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1351 KB)

    An experiment to measure the radiation of ion-acoustic waves from a quadrupole antenna is described. The quadrupole consists of 4 hemispherical grids located at the corners of a square structure. The results are contrasted with those obtained from an antenna with the 4 hemispheres excited in phase and compared with a fluid model prediction. Electrostatically coupled excitation of ion-acoustic wave... View full abstract»

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  • On Coherent Acceleration of e+ e--Pair at Nonlinear Cyclotron Autoresonance

    Publication Year: 1982, Page(s):199 - 200
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (412 KB)

    The possibility of simultaneous cyclic acceleration of positrons and electrons under the conditions of cyclotron autoresonance with a linearly polarized standing electromagnetic wave in a magnetic field, adiabatically increasing in time, is indicated. It is shown that such an acceleration mechanism allows an energy of e+ e--collisions, which is of interest in elementary particle physics. View full abstract»

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  • A Direct Conversion of the EM Waves into the Hard Radiation on the Free Electrons at Cyclotron Autoresonance

    Publication Year: 1982, Page(s):201 - 203
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (584 KB)

    The transformation of radio-frequency energy into hard electromagnetic radiation on the free electrons, moving under the cyclotron autoresonance conditions, is considered. Conditions are found under which the given process proceeds with high efficiency. Few examples of possible X-and gamma-ray sources in the gigawatt range are given. View full abstract»

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  • Enhanced Current Penetration in Plasmas Due to Anomalous Viscosity

    Publication Year: 1982, Page(s):204 - 207
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (800 KB)

    An investigation is made of the anomalous current penetration in a plasma in the presence of turbulence-induced viscosity. Exact similarity solutions are found for the characteristic nonlinear diffusion equation determining the, current penetration and approximate solutions are presented, which describe the evolution of smooth initial current profiles. Comparisons with previous numerical results s... View full abstract»

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  • A Simplified Ohmic Heating Circuit for Tokamaks

    Publication Year: 1982, Page(s):207 - 211
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1832 KB)

    We present a description of the ohmic heating circuit on PRETEXT, which operates without an explicit breaking switch. The engineering consequences of this approach are discussed. Observations of the runaway electron component of the plasma current in the device are discussed to demonstrate the advantages of this circuit. Possible extensions of this work applicable to larger machines are mentioned. View full abstract»

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  • Study of Laser Induced Plasma at Low Laser Intensity

    Publication Year: 1982, Page(s):211 - 213
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (315 KB)

    Laser induced plasma in the intensity range 8.106-109 is studied. It is observed that the electron temperature of the plasma increases with laser intensity while the electron density increases up to certain laser intensity, beyond which it decreases and then saturates. View full abstract»

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  • An essential reference book for those who need to keep abreast of electrotechnology [advertisement]

    Publication Year: 1982, Page(s):213a - 213c
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  • Information for authors

    Publication Year: 1982, Page(s): 213d
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  • Affiliate Plan of the IEEE Nuclear and Plasma Sciences Society

    Publication Year: 1982, Page(s): 213-e
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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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