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FEATURED STORIES - FEBRUARY 2017

"S-Band Relativistic Magnetron Operation With Multichannel Radial Outputs of the Microwave Power"

by Arkady Sayapin, Uri Dai, and Yakov E. Krasik

The results of an experimental study of the S-band magnetron operation with a six-vane anode block and multichannel radial outputs for microwave power extraction are presented. The magnetron was driven by a linear induction accelerator (∼350 kV, ∼2.5 kA, and 150 ns). In the case of three outputs for microwave power extraction and another three outputs connected to waveguides short circuited by movable plungers for adjusting the magnetron resonance, frequency-stable generation of the microwaves radiation with a total power of 570 MW from these three outputs was demonstrated. This power was equal to the power obtained when the same magnetron with one output was operated with high efficiency (≥40%). more...

"Transient Analysis of Spacecraft Exposed Dielectric Charging Using SICCE"

by Song Wang, Xiao-Jin Tang, Zhong Yi, Yong-Wei Sun, and Zhan-Cheng Wu

Spacecraft exposed dielectric interacts directly with the ambient plasma and may be faced with energetic electron irradiation. Using the charging model surface and internal coupling charging model for spacecraft exposed dielectric (SICCE), it is possible to investigate this special charging process, including both surface charging (SC) and deep dielectric charging. Based on the finite-difference time-domain method, a transient solution of the SICCE in the 1-D case is proposed in this paper with adequate verifications. An important improvement is made to the SICCE by employing secondary electron yield formula in Katz form, which is the same with Spacecraft Plasma Interaction Software (SPIS) and NASA Charging Analyzer Program (NASCAP)−2k. The typical charging environment for exposed dielectric is assumed Geosynchronous Earth Orbit (GEO) worst plasma environment combined with Flumic3 energetic electron irradiation. more...
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A PUBLICATION OF THE IEEE NUCLEAR AND PLASMA SCIENCES SOCIETY

FEBUARY 2017   |  VOLUME 45  |  NUMBER 2  |  ITPSBD  |  (ISSN 0093-3813)

REGULAR PAPERS
Basic Processes in Fully and Partially Ionized Plasmas
Mode Coupling and Two-Stream Instabilities in Semiconductors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M. Akbari-Moghanjoughi
Characteristics and Diffusion of Electrical Explosion Plasma of Aluminum Wire in Argon Gas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
     . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J. Zhao, Z. Xu, W. Yan, H. Liu, and Q. Zhang
Kinetic-Simulation Study of Propagation of Langmuir-Like Ionic Waves in Dusty Plasma . . . . . . . . . . . . . . . S.-M. Hosseini-Jenab and F. Spanier
A Comprehensive Numerical Model of Steady-State Negative Corona for Coaxial Cylindrical Electrode in Atmosphere Air . . . . . . . . . . . . . . . . . .
     . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Y. Yi, L. Wang, and Z. Chen

Microwave Generation and Microwave-Plasma Interaction
Accurate Theoretical Model for the High-Frequency Characteristics of the Ladder Multigap Resonant Cavity . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
     . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . S. Lü, W. Yong, Z. Zhang, C. Zhang, and D. Zhao
Effect of the Split-Ring Resonator Width on the Microwave Microplasma Properties . . . . . . . . . . . . . . . . . . . . . . . . . . . . R. A. Dextre and K. G. Xu
Two Novel Kinds of the G-Band Travelling-Wave Tubes With Multiple Gap-Groove Folded-Waveguides . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
      . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E. Tahanian and G. Dadashzadeh
S-Band Relativistic Magnetron Operation With Multichannel Radial Outputs of the Microwave Power . . . . . . A. Sayapin, U. Dai, and Y. E. Krasik
Microwave Generation in Air and Vacuum . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M. M. Kekez

Pulsed Power Science and Technology
Waveform Control of Pulsed-Power Generator Based on Solid-State LTD . . . . . . . . . . . . . . . . . M. R. Kazemi, T. Sugai, A. Tokuchi, and W. Jiang

Arcs & MHD
Investigation on the Vacuum Arc Commutating Characteristic With Application to Postarc Current Measure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
     . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . M. Liao, G. Ge, X. Duan, Z. Huang, J. Huang, and J. Zou
Dynamical Models of Electric Arcs and Memristors: The Common Properties . . . . . . . . . . . . . . . . . . . . . . . . . . . . W. Marszalek and Z. W. Trzaska
Inrush Current Prestrike Arc Behaviours of Contact Materials CuCr50/50 and CuW10/90 . . . . . . . . . Y. Yu, Y. Geng, Y. Geng, J. Wang, and Z. Liu

Space Plasmas
Transient Analysis of Spacecraft Exposed Dielectric Charging Using SICCE . . . . . . . . . . . . . S. Wang, X.-J. Tang, Z. Yi, Y.-W. Sun, and Z.-C. Wu

Special Issue on High Power Microwave Generation 2016
Experimental Demonstration of a High-Efficiency Relativistic Magnetron With Diffraction Output With Spherical
     Cathode Endcap
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C. Leach, S. Prasad, M. I. Fuks, J. Buchenauer, J. W. McConaha, and E. Schamiloglu

Special Issue on Selected Papers from SOFE 2015
Molecular Dynamics Study: Effects of He Bubble and Cr Precipitate on Tensile Deformation of Grain Boundaries in α -Fe . . . . . . . . . . . . . . . . . . .
     . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . J. Shi, L. Peng, M. Ye, and F. Gao

Special Issue on Atmospheric Pressure Plasma Jets and Their Applications
Changing Germination Rate of Brown Mustard Seeds After Treatment With Plasmas of Nanosecond Electric Discharges . . . . . . . . . . . . . . . . . . .
      . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A. E. Dubinov, J. P. Kozhayeva, and E. A. Zuimatch
Characterization of a Microwave-Induced Atmospheric-Pressure Ar–N2 Plasma Pencil . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
      . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L. M. D. Rosario, H. V. Lee, Jr., E. Penafiel, H. J. Ramos, L. M. T. Bo-ot, R. V. Fischer, and R. B. Tumlos
Influence of Oxygen Content on Argon/Oxygen Dielectric Barrier Discharge Plasma Treatment of Polyethylene Terephthalate Film . . . . . . . . . . . .
      . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Z. Fang, X. Wang, T. Shao, and C. Zhang

Special Issue - Selected Papers from APSPT9/SPSM28
Production of Metal-Supported Solid Oxide Fuel Cell Using Thermal Plasma Spraying Technique . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
      . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . S.-F. Yang, C.-S. Hwang, C.-H. Tsai, C.-L. Chang, and M.-H. Wu
Densities and Surface Reaction Probabilities of Oxygen and Nitrogen Atoms During Sputter Deposition of ZnInON on ZnO . . . . . . . . . . . . . . . . . .
      . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . K. Matsushima, T. Ide, K. Takeda, M. Hori, D. Yamashita, H. Seo, K. Koga, M. Shiratani, and N. Itagaki

Special Issue on Plasma Assisted Technologies 2016
The Application of Atmospheric Pressure Dielectric Barrier Discharge Plasma on the Cleaning of Photovoltaic Panels . . . . . . . . . . . . . . . . . . . . . .
      . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . W. Cui, W. Liu, T. Wang, and C. Ma

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