Zhang Yuning, Zhang Yuning
College of Mechanical and Transportation Engineering, China University of Petroleum-Beijing, Beijing 102249, China; Beijing Key Laboratory of Process Fluid Filtration and Separation, China University of Petroleum-Beijing, Beijing 102249, China.
School of Energy, Power and Mechanical Engineering, North China Electric Power University, Beijing 102206, China.
Ultrason Sonochem. 2018 Jan;40(Pt B):151-157. doi: 10.1016/j.ultsonch.2017.03.058. Epub 2017 Apr 9.
Chaotic oscillation of bubbles in liquids reduces the efficiency of the sonochemical system and should be suppressed in the practical applications. In the present paper, a chaos control method based on the dual-frequency approach is numerically investigated and is proved to be an effective method even for cases with intensive energy input. It was found that the chaos could be successfully suppressed by the application of dual-frequency approach in a wide range of parameter zone (even with high acoustic pressure amplitude). Furthermore, influences of power allocation between two waves on the chaos control are quantitatively discussed with clear descriptions of the routes from stable oscillations to chaos.
液体中气泡的混沌振荡会降低声化学系统的效率，在实际应用中应予以抑制。本文对基于双频方法的混沌控制方法进行了数值研究，结果表明该方法即使在能量输入较大的情况下也是一种有效的方法。研究发现，在很宽的参数范围内（即使声压幅值较高），应用双频方法都能成功抑制混沌。此外，定量讨论了两列波之间的功率分配对混沌控制的影响，并清晰描述了从稳定振荡到混沌的路径。
