Dependence of space-charge-limited flow on conducting current

song sheng-yi; qiu xu; wang wen-dou; lin qi-wen; sun cheng-wei

Volume 17 Issue 03

Mar. 2005

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song sheng-yi, qiu xu, wang wen-dou, et al. Dependence of space-charge-limited flow on conducting current[J]. High Power Laser and Particle Beams, 2005, 17.

Citation:

song sheng-yi, qiu xu, wang wen-dou, et al. Dependence of space-charge-limited flow on conducting current[J]. High Power Laser and Particle Beams, 2005, 17.

song sheng-yi, qiu xu, wang wen-dou, et al. Dependence of space-charge-limited flow on conducting current[J]. High Power Laser and Particle Beams, 2005, 17.

Citation:

song sheng-yi, qiu xu, wang wen-dou, et al. Dependence of space-charge-limited flow on conducting current[J]. High Power Laser and Particle Beams, 2005, 17.

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Dependence of space-charge-limited flow on conducting current

1.
Institute of Fluid Physics,CAEP,P.O.Box 919-108,Mianyang 621900,China

Publish Date: 2005-03-15

Abstract

Abstract

A generalized equation, which governs the dependence of space charge current flow on conducting current in three relativistic configurations, is deduced from Poisson's equation with assumption of space-charge-limited flow and electrons' canonical momentum conservation. A method for solution to the equation is introduced and the characteristic of the solution for the three configurations is discussed. It is concluded that for these configurations the effect of conducting current on magnetic insulation is much significant with increase of anode voltage, and that for the same anode voltage their SCL flows will behave differently when their geometrical factors become small, with the SCL flow of the two non-plane conductors smaller than that of the plane conductor for negative polarity and larg
- space-charge-limited flow,
- planar conductor,
- coaxial cylindrical conductor,
- common-vertex-coaxial-circular-cone conductor,
- critical magnetic insulation

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