テイラー渦流れの2次元画像解析

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  • テイラー ウズ ナガレ ノ 2ジゲン ガゾウ カイセキ
  • Two-Dimentional Digital Image Processing System for Taylor Vortex Flow

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Two-dimentional digital image processing system was developed for the analysis of Taylor Vortex flow. The Taylor Vortex flow between concentric cylinder, inner cylinder rotating and outer one fixed is visualized with some small particles as a tracer. The two-dimentional flow field lighted by the slitted light was taken the picture for image data. The light of locus of particle in the photograph shows the velocity of the flow. The image data are inputted to the computer with the binary data by the image scanner, and they are processed with binarization, thinning, labelling, and so on, to analize for the flow. Concequently, it was cleared that for a cell flow of the Taylor vortex flow, the velocity in the inner cylinder side was high and the velocity in the center of cell was zero and again became to be high in the side of the outer cylinder. And this two-dimentional digital image processing system was useful to analize the Taylor vortex flow.

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