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2 edition of Effect of anode-cathode geometry on performance of the HIP-1 hot ion plasma found in the catalog.

Effect of anode-cathode geometry on performance of the HIP-1 hot ion plasma

Milton R Lauver

Effect of anode-cathode geometry on performance of the HIP-1 hot ion plasma

by Milton R Lauver

  • 185 Want to read
  • 40 Currently reading

Published by National Aeronautics and Space Administration, Scientific and Technical Information Office, for sale by the National Technical Information Service in [Washington], Springfield, Va .
Written in English

    Subjects:
  • Plasma (Ionized gases),
  • Plasma electrodynamics

  • Edition Notes

    StatementMilton R. Lauver ; Lewis Research Center
    SeriesNASA technical paper ; 1201
    ContributionsUnited States. National Aeronautics and Space Administration. Scientific and Technical Information Office, Lewis Research Center
    The Physical Object
    Pagination22 p. :
    Number of Pages22
    ID Numbers
    Open LibraryOL14932019M

      The chopping effect of successive pulsed discharges has a beneficial effect on the geometry of ablated anode. Indeed, maintaining the top surface flat during the whole pulsed arc experiment enables more stable erosion processes than in the ablation processes by DC arc discharges, where the top surface adopts irregular shapes due to the random The initial surge in microwave technology development was driven by the military needs of the second world war. The tremendous effort that went into development of radar during World War II generated a great body of knowledge on the properties of microwaves and related ://

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Effect of anode-cathode geometry on performance of the HIP-1 hot ion plasma by Milton R Lauver Download PDF EPUB FB2

reported for the HIP-1 hot-ion plasma process (ref. These curves are for water- cooled hollow cathodes in the 1. 3-centimeter-long water-cooled anodes shown at the left in figure 7 with the cathode tips positioned at d = 8.

3 centimeters (fig. The lower curve in figure 13 was typical of operation at either low magnetic fields or low Get this from a library. Effect of anode-cathode geometry on performance of the HIP-1 hot ion plasma. [Milton R Lauver; United States.

National Aeronautics and Space Administration. Scientific and Technical Information Office.; Lewis Research Center.] A. BERMAN, in Total Pressure Measurements in Vacuum Technology, The Conventional Triode.

Hot-cathode ionization gauges, specially designed and built, were utilized as secondary pressure standards by Meineke and Reich (), Choumoff and Iapteff (), and Gentsch and Messer ().These gauges required nonstandard control units to supply the electron emission and the An electrolysis cell circuit consists of an anode (the positive electrode), a cathode (the negative electrode), an electrolytic bath, a current source and an ampere/volt meter (Raub and Muller, ).Reduction and oxidation occur at the cathode and anode respectively due to metal ions and electrons that can cross the electrode–electrolyte :// Milton R Lauver has written: 'Effect of anode-cathode geometry on performance of the HIP-1 hot ion plasma' -- subject(s): Plasma (Ionized gases), Plasma electrodynamics Asked in Chemistry The ion flux depends on the operating gas pressure irrespective of the anode designs and the maximum ion flux is found to be in the pressure range to Torr for all the anode :// The contents of Nafion ionomer were optimized to 25% for the anode and 20% for cathode.

A current density of 1 A cm−2 was achieved at terminal voltage V at 80 °C in a PEMWE single cell The effect of specimen size on the mechanical behaviour associated with crazing.

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Transient snakes in an ohmic plasma associated with a minor disruption in the HT-7 tokamak. 4 Views Share   The effect of neutral gas pressure and electron temperature on the dynamics of the Electron Diffusion Gauge Experiment Electron Plasma: R. Davidson, S.

Paul: Dorf, Leonard. Studies of Anode Sheath Phenomena in Hall Thrusters: Y. Raitses: Name Title Advisor(s) Clark, Daniel S. Investigations of Raman Laser Amplification in Preformed and The homepage of IOPscience, home to more than years of leading scientific research journal Microstructure Optimization of Cathode Materials Nanostructured Cathodes Composite Cathodes Summary References 4 Anodes for Solid Oxide Fuel Cell Chunwen Sun.

Introduction Overview of Anode Reaction Mechanism Basic Operating Principles of a SOFC The Anode Three +Oxide+Fuel+Cells:+From+Electrolyte+Based+to. Results of further studies on the Lewis Research Center hot-ion-plasma source (HIP-1) are reported.

Changes have been made in both the electrode geometry and ma-terials to increase plasma ion temperatures and thus optimize performance. Ion tem-perature increased significantly with increased vacuum pumping speed. The best ion   collimated ion optics give a diameter of about inches, and the defocused ion optics give a diameter of about inches.

Figure 4 shows the sputter etch patterns for the different optics that can be used with the KDC in the IBS/e of a gold film that was deposited on the two inch sample holder with a penny on it at normal incidence, 0°   Nonlinear potential profiles with topologies of single and/or multiple layers can be experimentally investigated for nearly nonradiative but stiff collisional anode plasma in a discharge geometry shown in Fig.

Here both the time averaged ion The HIP used for the engineering-scale tests is the same piece of equipment that will be placed in a remote hot-cell environment for demonstration tests with irradiated materials (Figure 1).

The cans are 11 cm in diameter and 23 cm tall with a volume of 2, cm 3   @article{osti_, title = {Comment on "Effects of Magnetic Field Gradient on Ion Beam Current in Cylindrical Hall Ion Source}, author = {Raitses, Y and Smirnov, A and Fisch, N J}, abstractNote = {It is argued that the key difference of the cylindrical Hall thruster (CHT) as compared to the end-Hall ion source cannot be exclusively attributed to the magnetic field topology [Tang et al.

J Headquartered in the United States but international in both its membership and activities, The Minerals, Metals & Materials Society (TMS) is a rare professional organization that encompasses the entire range of materials and engineering, from minerals processing and primary metals production to basic research and the advanced applications of :// Meaningful Learning 行政長官選舉辯論 IPA JOURNAL Performance Engineering of Software Systems Alf’s motivation and mini sermons for yes even you.

Featured Full text of "CONTROL OF PIPELINE CORROSION" See other formats ANL Monthly Highlights of the Electrometallurgical Treatment Program As a mechanism for keeping the committee informed of its R&D progress, ANL has prepared brief monthly progress reports.

These “Monthly Highlights” of the Electrometallurgical Treatment Program have been submitted to DOE, which then provided them to the ://   Anode: Electrode in an ionization gauge used to detect the electron emission current.

It is usually the highest electric potential in the gauge, and must have a higher potential than the cathode. This is the grid in a hot-cathode ionization ://. ACS Nano11, 1, High-Performance Aluminum-Ion Battery with [email protected] Microsphere Composite Cathode. Shuai Wang; Shuqiang Jiao* Effect of Heteroatom Substitution on Transport in Alkanedithiol-Based Molecular Tunnel Junctions: Evidence for Universal ://Thermally Stable and Deep Red Luminescence of Sr 1–x Ba x [Mg 2 Al 2 N 4]:Eu 2+ (x = 0–1) Phosphors for Solid State and Agricultural Lighting Applications Julius L.

Leaño Jr. Carl Osby M. MarianoEvaluation of environmentally acceptable cleaners as replacements for methyl ethyl ketone and 1,1,1 trichloroethane in solid rocket motorproduction and maintenance applications A.

HARRISON,