Results 1 to 10 of about 18,610 (263)

Critical Assessment of the Surface Tension determined by the Maximum Pressure Bubble Method [PDF]

Materials Research, 2015
The main factors that influence the value of surface tension of a liquid measured with the Maximum Pressure Bubble Method are critically evaluated.
Franco Emmanuel Benedetto, Hector Zolotucho, Miguel Oscar Prado   +2 more
doaj   +6 more sources

Temperature effects on single cavitation bubble dynamics under the free field condition: Experimental and theoretical investigations on water [PDF]

Ultrasonics Sonochemistry
This paper examines how water temperature affects the dynamics of a single cavitation bubble in free field conditions. Both experimental and theoretical approaches are employed to explore the bubble dynamics in water under different temperatures.
Hao Geng, Tairan Chen, Jiacheng Chen, Biao Huang, Guoyu Wang   +4 more
doaj   +2 more sources

Radial oscillation of an encapsulated bubble near a planar rigid wall under dual-frequency acoustic excitation in viscoelastic fluids [PDF]

Ultrasonics Sonochemistry
Microbubbles play an important role in acoustic cavitation, power ultrasonics, and biomedical diagnosis and therapy. However, the influence of surrounding boundary conditions on the dynamic behaviors of an encapsulated bubble requires more in depth ...
Yu-Chen Zang, Di-Chao Chen, Xing-Feng Zhu, Da-Jian Wu, Wei-Jun Lin   +4 more
doaj   +2 more sources

Effect of salted water temperature on dynamic process and collapse behavior of the cavitation bubble [PDF]

Ultrasonics Sonochemistry
How to efficiently utilize cavitation to promote chemical reactions or degrade microorganisms is a concern in the fields of biological and chemical engineering.
Guihua Fu, Jing Luo, Weilin Xu, Jiguo Tang, Hang Wang   +4 more
doaj   +2 more sources

Measurement of Temperature Dependence of Surface Tension of Alcohol Aqueous Solutions by Maximum Bubble Pressure Method

Journal of Thermal Science and Technology, 2009
The surface tension of some high-carbon alcohol aqueous solutions increases as the temperature rises above a certain temperature. There have been attempts to use such special solutions in thermal devices to promote heat transfer.
Naoki ONO, Takahiro KANEKO, Shotaro NISHIGUCHI, Masahiro SHOJI   +3 more
doaj   +2 more sources

Study of wall wettability effects on cavitation bubble collapse using lattice Boltzmann method

AIP Advances, 2021
This study investigates the effects of wall wettability on cavitation bubble collapse using the pseudopotential lattice Boltzmann method with an appropriate external force term and wall contact angle boundary condition.
Hao Yuan, Jianbao Zhang, Jiayu Zhou, Jiawan Tan, Zhaobing Wang, Weidong Gan   +5 more
doaj   +1 more source

Impacts of motile Escherichia coli on air-water surface tension [PDF]

E3S Web of Conferences, 2020
Immiscible multiphase flow in porous media is largely affected by interfacial properties, manifested in contact angle and surface tension. The gas-liquid surface tension can be significantly altered by suspended particles at the interface. Particle-laden
Zhao Yumeng, Jeong Boyoung, Kang Dong-Hun, Dai Sheng   +3 more
doaj   +1 more source

Numerical analysis of fluid-material coupled method on propagation of pressure and stress waves during non-spherical bubble collapse

Nihon Kikai Gakkai ronbunshu, 2021
When analyzing cavitation erosion, it is necessary to grasp the stress state inside a material due to the bubble collapse process. In this study, the behavior of a vapor bubble collapse and the stress distribution inside the material due to the bubble ...
Hirotoshi SASAKI, Susumu ENDO, Yuka IGA
doaj   +1 more source

Numerical Investigation of the Effect of Bubble-Bubble Interaction on the Power of Propagated Pressure Waves [PDF]

Journal of Applied and Computational Mechanics, 2019
The study of bubble dynamics, especially the interaction of bubbles, has drawn considerable attention due to its various applications in engineering and science.
Masoud Khojasteh Manesh, Miralam Mahdi
doaj   +1 more source

Wall wettability effect on process of collapse of single cavitation bubbles in near-wall region using pseudo-potential lattice Boltzmann method

Heliyon, 2022
This study investigates the effect of wall wettability on cavitation collapse based on a large-density-ratio lattice Boltzmann method (LBM) pseudo-potential model.
Qian Yang, Xiaolong He, Haonan Peng, Jianmin Zhang   +3 more
doaj   +1 more source