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MHD-flow in slotted channels with conducting walls

Igor A Evtushenko, Igor R Kirillov, Claude B Reed1995年Fusion Engineering and DesignIF 1.7出版社

AbstractA review of experimental results is presented for magnetohydrodynamic (MHD) flow in rectangular channels with conducting walls and high aspect ratios (longer side parallel to the applied magnetic field), which are called slotted channels. The slotted channel concept was conceived at Efremov Institute as a method for reducing MHD pressure drop in liquid metal cooled blanket design. The experiments conducted by the authors were aimed at studying both fully developed MHD-flow, and the effect of a magnetic field on the hydrodynamics of 3-D flows in slotted channels. Tests were carried out on five models of the slotted geometry. A good agreement between test and theoretical results for the pressure drop in slotted channels was demonstrated. Application of a “one-electrode movable probe” for velocity measurement permitted measurement of the M-shape velocity profiles in the slotted channels. Suppression of 3-D inertial effects in slotted channels of complex geometry was demonstrated based on potential distribution data.

日本語訳

磁気流体力学(MHD)流れに関する実験結果のレビューを、長方形管における高アスペクト比(長辺が印加磁場に平行)かつ導電性壁を有するスロッテッドチャネルについて提示する。スロッテッドチャネルの概念は、液体金属冷却ブランケット設計におけるMHD圧力損失低減の手法として、エフレモフ研究所で考案された。著者らが実施した実験は、完全に発達したMHD流れの研究と、3次元流れにおける磁場の流体力学への影響の解明を目的としたものである。スロッテッド形状の5つのモデルに対して試験を実施した。スロッテッドチャネルにおける圧力損失に関して、試験結果と理論結果の良好な一致が実証された。速度測定のための「単電極可動プローブ」の適用により、スロッテッドチャネルにおけるM字型速度分布の測定が可能となった。複雑な形状のスロッテッドチャネルにおける3次元慣性効果の抑制が、電位分布データに基づいて実証された。

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Magnetohydrodynamics
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