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Theoretical Power Output from a Capacitive-Coupled Power Extraction Magnetohydrodynamic Generator with a Sinusoidal Alternating Magnetic Field

Sho TAKAYANAGI, Kazumasa TAKAHASHI, Toru SASAKI, Takashi KIKUCHI, Tsukasa ASO and Nob. HARADA

Nagaoka University of Technology, Niigata 940-2188, Japan

(Received 3 March 2014 / Accepted 30 April 2014 / Published 4 July 2014)

Abstract

A capacitive-coupled power extraction magnetohydrodynamic (MHD) generator has electrodes outside a channel, that carries a combustion gas; the channel functions as a capacitor. By applying an alternating magnetic field, this MHD generator can extract power from the capacitors. Because the configuration prevents the electrodes from exposure to the gas, this kind of generator offers the advantage of being able to operate over a long time. Based on a theoretical model, the performance of the generator is evaluated when a sinusoidal alternating magnetic field is applied. From the results, we assess the feasibility of obtaining electrical power from this device.

Copyright (c) 2014 The Japan Society of Plasma Science and Nuclear Fusion Research

Keywords

MHD generation, AC MHD generator, capacitive-coupled power extraction MHD generator

DOI: 10.1585/pfr.9.1206094

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References

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This paper may be cited as follows:

Sho TAKAYANAGI, Kazumasa TAKAHASHI, Toru SASAKI, Takashi KIKUCHI, Tsukasa ASO and Nob. HARADA, Plasma Fusion Res. 9, 1206094 (2014).