Energy loss mechanisms in the microdischarges in plasma display panels
Low luminous efficacy is one of the major drawbacks of plasma display panels (PDPs), where the main limiting factor is the efficiency of the microdischarges in generating UV radiation. In this work we...
Low luminous efficacy is one of the major drawbacks of plasma display panels (PDPs), where the main limiting factor is the efficiency of the microdischarges in generating UV radiation. In this work we...
Temperature resolved modeling of plasma abatement of perfluorinated compounds
Plasma abatement of perfluorinated compounds (PFCs) is a technology of increasing interest as the semiconductor industry seeks to reduce emission of these global warming gases. This article reports a ...
Plasma abatement of perfluorinated compounds (PFCs) is a technology of increasing interest as the semiconductor industry seeks to reduce emission of these global warming gases. This article reports a ...
Variable operation of Hall thruster with multiple segmented electrodes
J. Appl. Phys. 89, 2040 (2001); doi:10.1063/1.1337919
Issue Date: 15 February 2001
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Variable plasma jet velocity with low beam divergence over a range of mass flow rates can be achieved through segmented electrode operation of the Hall plasma accelerator. With the use of just a cathode side electrode at the cathode potential, the beam divergence can be decreased substantially, at some cost in efficiency. However, the additional use of an anode side electrode retains the same reduced plume divergence, but at efficiencies comparable to the nonsegmented operation. The high efficiency persists also when the anode side electrode is biased at an intermediate potential, thus producing two-stage Hall accelerator operation. ©2001 American Institute of Physics.
| History: | Received 20 January 2000; accepted 10 November 2000 |
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