G308 曲がり流路の回転を利用したカオティックマイクロミキサの実験的研究 : 流路の回転効果(GS3-2 回転を伴う流れ2,一般セッション)

概要

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The chaotic micromixer, which has a rotor with a curved channel, is studied experimentally. The secondary flow in a curved channel of square cross-section is investigated using PIV (Particle Image Velocimetry) and LIF (Laser Induced Fluorescence) method. Two walls of the channel (except the outer and bottom walls) rotate around the center of curvature and a pressure gradient is imposed on the direction of the exit of the channel. Photographs of the flow in a cross-section at 180° downstream from the curved channel entrance are taken by changing the flux (Dean number De) at a constant rotational speed (Taylor number Tr) of the channel walls. In conclusion, good mixture was shown in the case of De ≤ 0.1|Tr|.
一般社団法人日本機械学会の論文
2010-10-29