ワイヤ・メッシュ・トモグラフィ法の狭隘流路内気液二相流計測への適用(<特集>第14回動力・エネルギー技術シンポジウム)

概要

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A novel two-phase flow measurement method based on a principle of wire-mesh tomography was developed for gas-liquid two-phase flow measurement in a narrow channel. The electrodes are fixed on the inner wall of the narrow channel, and the local void fractions were obtained by the electrical conductivity measurement between electrodes arranged on each wall. Therefore, the flow structure and the bubble behavior can be investigated in the channel with narrow gap. In this paper, the measured instantaneous void fraction distributions were compared with high speed camera images, and three-dimensional bubble distribution was reconstructed from void fraction distribution.
2010-03-25