T0501-4-6 光ピンセットによって懸垂された液滴の観察([T0501-4]マイクロ・ナノスケールの熱流体現象(4))

概要

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Although there are a lot of experiments to observe vaporizing or burning droplets which are a simple model of spray, the droplets are usually suspended by a fiber in these experiments and the effect of fiber on vaporization cannot be eliminated. Authors propose a noncontact droplet suspension method using optical tweezers in order to eliminate the effect of fiber and report primitive experiments of the noncontact suspension in this paper. The water droplets are successfully suspended by optical tweezers system for a couple of minutes. The maximum diameter of suspended droplet is around 16μm. The experimental result using another laser system indicates that the characteristic of suspension depends on not only on the laser power but also on other factors such as laser abilities. In addition, the primitive experiment of ethanol indicates that atomizer should be developed as well as optical tweezers system due to its atomization characteristics.
一般社団法人日本機械学会の論文
2010-09-04