Results 31 to 40 of about 11,744 (224)

Effects of medium viscoelasticity on bubble collapse strength of interacting polydisperse bubbles

Ultrasonics Sonochemistry, 2023
Due to its physical and/or chemical effects, acoustic cavitation plays a crucial role in various emerging applications ranging from advanced materials to biomedicine. The cavitation bubbles usually undergo oscillatory dynamics and violent collapse within
Dui Qin, Qingqin Zou, Xianhua Zhong, Bingyu Zhang, Zhangyong Li   +4 more
doaj   +1 more source

Exploring viscosity influence mechanisms on coating removal: Insights from single cavitation bubble behaviours in low-frequency ultrasonic settings

Ultrasonics Sonochemistry
The role of acoustic cavitation in various surface cleaning disciplines is important. However, the physical mechanisms underlying acoustic cavitation-induced surface cleansing are poorly understood.
Hao Wu, Yongzhen Jin, Yuanyuan Li, Hao Zheng, Xiaochen Lai, Jiaming Ma, Claus-Dieter Ohl, Haixia Yu, Dachao Li   +8 more
doaj   +1 more source

Experimental Investigation to Utilize Low-cost Sensors of Early Cavitation Prediction in Axial Pump Based on Acoustic and Vibration Approaches [PDF]

Journal of Applied Fluid Mechanics
Cavitation, defined by the formation and collapse of vapor bubbles in a liquid, presents a significant challenge to the reliable operation of axial pumps.
A. R. Al-Obaidi, J. Alhamid
doaj   +1 more source

Evaluation of the effect of pressure conditions on the aggressive intensity of hydrodynamic cavitation produced by a Venturi tube

Nihon Kikai Gakkai ronbunshu, 2017
For hydrodynamic cavitation produced by a Venturi tube, cavitation bubble is collapsed at downstream of a nozzle and its intensity is influenced by upstream pressure and downstream pressure.
Shu HOSHINO, Hitoshi SOYAMA
doaj   +1 more source

Acoustic black hole immersed sonoreactor for high-efficiency cavitation treatment

Ultrasonics Sonochemistry
Developing innovative sonoreactors to enhance acoustic processing efficiency holds immense importance in the field of sonochemistry. Traditional immersed sonoreactors (TISs) mainly produce cavitation at the probe tip, with a relatively weak cavitation ...
Cheng Chen, Yang Liu, Chenghui Wang, Jianzhong Guo, Shuyu Lin   +4 more
doaj   +1 more source

Nonlinear dynamics and acoustic emissions of interacting cavitation bubbles in viscoelastic tissues

Ultrasonics Sonochemistry, 2021
The cavitation-mediated bioeffects are primarily associated with the dynamic behaviors of bubbles in viscoelastic tissues, which involves complex interactions of cavitation bubbles with surrounding bubbles and tissues.
Dui Qin, Qingqin Zou, Shuang Lei, Wei Wang, Zhangyong Li   +4 more
doaj   +1 more source

High‐Throughput Exfoliation of Optoelectronic‐Grade MoS2 via Turbulent‐Flow Wet Jet Milling

Advanced Functional Materials, EarlyView.
A scalable wet jet milling exfoliation method is demonstrated for producing optoelectronic‐grade MoS2 nanosheets using environmentally friendly ethyl cellulose in ethanol dispersion media. Guided by fluid dynamics modeling, this approach is optimized to achieve record‐high exfoliation throughput and concentration.
Maryam Khalaj, Shreyash S. Hadke, Lindsay E. Chaney, Janan Hui, Thomas Birge, Linda Li, Vinod K. Sangwan, Mark C. Hersam   +7 more
wiley   +1 more source

Taming Acoustic Cavitation [PDF]

, 2012
In this fluid dynamics video we show acoustic cavitation occurring from pits etched on a silicon surface. By immersing the surface in a liquid, gas pockets are entrapped in the pits which upon ultrasonic insonation, are observed to shed cavitation bubbles.
Rivas, David Fernandez, Verhaagen, Bram, Enriquez, Oscar R., Versluis, Michel, Prosperetti, Andrea, Gardeniers, Han, Lohse, Detlef   +6 more
openaire   +4 more sources

Research on cavitation acoustic characteristics of centrifugal pump based on fluid-acoustic field coupling method

Advances in Mechanical Engineering, 2018
In order to study the change rules of interior acoustic field with the development of cavitation, this article presented a method that through comparing the experiment results with numerical simulation results in cavitation bubbles’ distribution images ...
Dong Liang, Zhao Yuqi, Dai Cui, Wang Yong   +3 more
doaj   +1 more source

Barrier-breaking effects of ultrasonic cavitation for drug delivery and biomarker release

Ultrasonics Sonochemistry, 2023
Recently, emerging evidence has demonstrated that cavitation actually creates important bidirectional channels on biological barriers for both intratumoral drug delivery and extratumoral biomarker release.
Yaxin Hu, Jianpeng Wei, Yuanyuan Shen, Siping Chen, Xin Chen   +4 more
doaj   +1 more source