The motion of microbeads in shear flow throgh a conical tube

Takeshi Akinaga, Masako Sugihara-Seki, Tomoaki Itano, Junichiro Yamamoto

    Research output: Contribution to journalSpecial issuepeer-review

    Abstract

    Using confocal microscopy, we studied the individual motion of fluorescent platelet-sized latex beads suspended in glycerol-PBS solution, flowing through a narrow gap of 80 um width in a PDMS-conical channel with a round ball inside. The trajectories and the velocity profiles of beads were investigated in the gap region, in the absence or presence of red cells at hematocrit 1%. The presence of red cells enhanced the fluctuations of the beads velocities and often deflected their trajectories from the streamlines of the suspension fluid, especially near the channel wall.
    Original languageEnglish
    Pages (from-to)s102-s106
    Number of pages5
    JournalJournal of the Japanese Society for Experimental Mechanics
    Volume10
    Issue numberP
    DOIs
    Publication statusPublished - 2010

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