液体金属MHD発電機に関する3次元電磁流体数値解析

書誌事項

タイトル別名
  • Three-dimensional Numerical Analysis of a Liquid Metal MUD Generator
  • エキタイ キンゾク MHD ハツデンキ ニ カンスル 3ジゲン デンジ リュウタイ スウチ カイセキ

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説明

Three-dimensional numerical analysis of a liquid metal MHD generator has been carried out. The three-dimensional structures of the electromagnetic field and fluid flow in the MHD generator have been clarified, and the effect of the electrode width on the performance has been also examined, taking account of the current flow in the electrode. Structures of the electromagnetic field and fluid flow are complicated owing to the three-dimensional current flow, induced magnetic field, and Lorentz force. The highest performance is found to be obtained when the width of electrode is equal to that of the generator. The performance predicted from three-dimensional analysis is somewhat lower than that from two-dimensional analysis because of the larger input power. The increase in the input power is attributed to the increase in Lorentz force caused by less reduced magnetic flux density and to the additional friction loss on the insulator walls (x-y plane).

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