| Budget Amount *help |
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2012: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2011: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2010: ¥3,380,000 (Direct Cost: ¥2,600,000、Indirect Cost: ¥780,000)
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| Research Abstract |
This study is intended to elucidate the generation mechanism of OH-radical and cavitation to find new possibilities for application using three methods; the observation of sonochemical luminescence (I), the optical visualization of ultrasonic fields (II), and the observation of the spectral peaks from OH-radical (III). Bubbles whose diameter is smaller than the resonant size are expected to be in antinodes of the sound pressure of the standing wave, and light emissions in antinodes were confirmed as compared between the images by I and II. Strong correlation between luminol luminescence and OH-radical peak intensities was not obtained. By improving the method III, the quantitative distribution for the OH-radical production will be confirmed.
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