Effects of fluid flow on the performance of a subsonic nonequilibrium disk MHD generator

Yoshihiro Nabara, Hiromichi Kobayashi, Yoshihiro Okuno, Shigeharu Kabasima

研究成果: Article査読

抄録

The fluid flow and performance of a nonequilibrium disk MHD generator with subsonic flow are examined by time-dependent two-dimensional r-z numerical simulations. It is found that the development of the boundary layer is enhanced with increasing load resistance, as is the case in supersonic generators. The development of the boundary layer affects not only the performance of the generator but the thermal input to it, in contrast to supersonic generators. These facts lead to considerable departures from the performance predicted by a quasi-one-dimensional simulation and suggest that two-dimensional design of the generator channel, taking account of boundary layer development, is necessary in order to assure high performance of a subsonic generator.

本文言語English
ページ(範囲)18-25
ページ数8
ジャーナルElectrical Engineering in Japan (English translation of Denki Gakkai Ronbunshi)
133
3
DOI
出版ステータスPublished - 2000 11月 30
外部発表はい

ASJC Scopus subject areas

  • エネルギー工学および電力技術
  • 電子工学および電気工学

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