Influence of bulk nanobubble concentration on the intensity of sonoluminescence

被引：7
|
作者：
Tuziuti, Toru [1 ]
Yasui, Kyuichi [1 ]
Kanematsu, Wataru [1 ]
机构：
[1] Natl Inst Adv Ind Sci & Technol, Moriyama Ku, Nagoya, Aichi 4638560, Japan
来源：
ULTRASONICS SONOCHEMISTRY | 2021年 / 76卷
关键词：
Amplitude; Bubble size; Laplace pressure; Blake threshold; MULTIBUBBLE SONOLUMINESCENCE;
D O I：
10.1016/j.ultsonch.2021.105646
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
The present study mainly examined the effects of the volumetric concentration of nanobubbles (ultrafine bubbles) on the intensity of sonoluminescence (SL). The addition of nanobubbles at high acoustic amplitude enhanced the SL intensity for various bubble concentrations in comparison with that in pure water. This probably means that the resulting high amplitude is over the Blake threshold, and accordingly nanobubbles expand to some extent, leading to higher SL intensity. Therefore, nanobubbles have the potential to provide nucleation sites for sonochemistry. The influence of bubble size on the intensity of SL was also evaluated.
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页数：5
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