Pulsed cathode heating method

A pulsed-mode heating method has been developed and tested for a 1-in.-diameter cathode which reduces the average filament power by over an order of magnitude. The method allows cyclic operation with a few seconds of peak cathode temperature, which allows many microsecond-duration electron pulses to...

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Veröffentlicht in:	IEEE transactions on plasma science 1989-12, Vol.17 (6), p.898-905
Hauptverfasser:	Lipscomb, G.A., Herniter, M.E., Getty, W.D.
Format:	Artikel
Sprache:	eng
Schlagworte:	30 DIRECT ENERGY CONVERSION 300403 - Thermionic Converters- Materials, Components, & Auxiliaries 70 PLASMA PHYSICS AND FUSION TECHNOLOGY 700101 - Fusion Energy- Plasma Research- Confinement, Heating, & Production 700209 - Fusion Power Plant Technology- Component Development & Materials Testing BORIDES BORON COMPOUNDS CALCULATION METHODS CATHODES CURRENT DENSITY ECR HEATING ELECTRODES Electron beams ELECTRON SOURCES ELECTRONIC EQUIPMENT ELECTRONS ELEMENTARY PARTICLES Exact sciences and technology FERMIONS HEATING HIGH-FREQUENCY HEATING Lanthanum LANTHANUM BORIDES LANTHANUM COMPOUNDS LEPTONS MATERIALS TESTING Open loop systems PARTICLE SOURCES Physics Physics of gases, plasmas and electric discharges Physics of plasmas and electric discharges PLASMA HEATING Plasma temperature POWER SUPPLIES Pulse modulation PULSED REACTORS RADIATION SOURCES RARE EARTH COMPOUNDS REACTORS Steady-state Temperature distribution TESTING THERMIONIC EMITTERS VERY HIGH TEMPERATURE
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