Performance Characteristics of an MHD Power Generator with Seeding Plane and Staggered Electrodes

MICHIYOSHI Itaru, NUMANO Masahiro

doi:10.1080/18811248.1969.9732922

Performance Characteristics of an MHD Power Generator with Seeding Plane and Staggered Electrodes

DOI DOI オープンアクセス

MICHIYOSHI Itaru

Department of Nuclear Engineering, Kyoto University
NUMANO Masahiro

Department of Nuclear Engineering, Kyoto University

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説明

This paper deals with a theoretical investigation on the influences of the seeding position and the electrode staggering on the electrical performance characteristics of a Faraday-type MHD power generator. The analysis was made by means of conformal mapping techniques. The results revealed the following: (1) The influences in question can be expressed by a parameter determined uniquely by the generator geometry. (2) The internal resistance of the generator is independent of the direction of the electrode staggering. (3) There exists a value of stagger at which the internal resistance is minimized for a finite seeding aspect ratio. (4) The electric current concentration on the electrode edge can be attenuated by suitably staggering the electrode. (5) Generators with a single electrode pair and those with segmented electrodes have quite similar current density profile on the electrode surfaces, but rather different distribution on the generator center line.