中国物理B ›› 2019, Vol. 28 ›› Issue (1): 14301-014301.doi: 10.1088/1674-1056/28/1/014301

• ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS • 上一篇    下一篇

Theoretical prediction of the yield of strong oxides under acoustic cavitation

Jing Sun(孙晶), Zhuangzhi Shen(沈壮志), Runyang Mo(莫润阳)   

  1. Shaanxi Normal University, Shaanxi Key Laboratory of Ultrasonics, Xi'an 710119, China
  • 收稿日期:2018-09-20 修回日期:2018-11-05 出版日期:2019-01-05 发布日期:2019-01-05
  • 通讯作者: Zhuangzhi Shen, Runyang Mo E-mail:szz6@163.com;mmrryycn@snnu.edu.cn
  • 基金资助:

    Project supported by the National Natural Science Foundation of China (Grant No. 11674207).

Theoretical prediction of the yield of strong oxides under acoustic cavitation

Jing Sun(孙晶), Zhuangzhi Shen(沈壮志), Runyang Mo(莫润阳)   

  1. Shaanxi Normal University, Shaanxi Key Laboratory of Ultrasonics, Xi'an 710119, China
  • Received:2018-09-20 Revised:2018-11-05 Online:2019-01-05 Published:2019-01-05
  • Contact: Zhuangzhi Shen, Runyang Mo E-mail:szz6@163.com;mmrryycn@snnu.edu.cn
  • Supported by:

    Project supported by the National Natural Science Foundation of China (Grant No. 11674207).

摘要:

Considering liquid viscosity, surface tension, and liquid compressibility, the effects of dynamical behaviors of cavitation bubbles on temperature and the amount of oxides inside the bubble are numerically investigated by acoustic field, regarding water as a work medium. The effects of acoustic frequency, acoustic pressure amplitude, and driving waveforms on bubble temperature and the number of oxides inside the bubbles by rapid collapse of cavitation bubbles are analysed. The results show that the changes of acoustic frequency, acoustic pressure amplitude, and driving waveforms not only have an effect on temperature and the number of oxides inside the bubble, but also influence the degradation species of pollution, which provides guidance for improving the degradation of water pollution.

关键词: acoustic frequency, acoustic pressure amplitude, driving waveform, cavitation behavior, OH radical

Abstract:

Considering liquid viscosity, surface tension, and liquid compressibility, the effects of dynamical behaviors of cavitation bubbles on temperature and the amount of oxides inside the bubble are numerically investigated by acoustic field, regarding water as a work medium. The effects of acoustic frequency, acoustic pressure amplitude, and driving waveforms on bubble temperature and the number of oxides inside the bubbles by rapid collapse of cavitation bubbles are analysed. The results show that the changes of acoustic frequency, acoustic pressure amplitude, and driving waveforms not only have an effect on temperature and the number of oxides inside the bubble, but also influence the degradation species of pollution, which provides guidance for improving the degradation of water pollution.

Key words: acoustic frequency, acoustic pressure amplitude, driving waveform, cavitation behavior, OH radical

中图分类号:  (Ultrasonics, quantum acoustics, and physical effects of sound)

  • 43.35.+d
43.30.+m (Underwater sound) 89.60.Ec (Environmental safety) 82.20.-w (Chemical kinetics and dynamics)