Fluid Mapperによる軸対称三次元Poisson電界の解析手法に関する考察

概要

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The authors have been studying the electric field analysis by fluid flow mappers. In this paper we discuss an analysis method by fluid flow mapper for axisymmetric three dimensional Poisson fields in needle-plate electrodes systems. In particular, the field in the neighborhood of a needle tip has been studied where space charges are distributed. A dimensionless term corresponding to the source of a normalized potential equation in electric fields is identical to that of a normalized pressure equation in fluid flow mappers. The present analysis method is based on this fact. The space charge distribution in the axisymmetric three dimensional Poisson fields can be simulated by a fixed sand-bed in the fluid flow mapper. The fixed sand-bed behaves as distributed sources or sinks with inhomogeneous strength. This paper discusses the technique of designing fixed sand-bed mappers which can simulate the space charge distribution.
東海大学の論文