10. 種々の超音波音場におけるOHラジカルの生成量と生成分布

概要

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We have studied effect of sound field forms on sono-chemical luminescence. To control sound pressure, we have used schlieren method. We produced various sound field forms by i) changing diameter of transducer, ii) combining two transducers having crossed propagating directions and iii) controlling acoustic streaming using glass cylinders of various size. We found that i) when sound pressures on acoustic axis are the same, the larger transducer induces the stronger luminescence, that ii) simultaneous driving two transducers having perpendicular propagating directions induces the stronger luminescence than that by each transducer alone, and that iii) a glass cylinder surrounding the sound field induces the stronger luminescence in the surrounded region independently of the location and the size of the cylinder.
日本ソノケミストリー学会の論文