Results 51 to 60 of about 278,066 (194)

Three-Dimensional Image Measurement of Bubble-Bubble Interaction

Journal of the Visualization Society of Japan, 2004
This paper concerns with experimental measurement of bubble-bubble interaction in a free-rising bubbly flow using three-dimensional Particle Tracking Velocimetry (3-D PTV). An accurate labeling method is employed to measure correctly the center of gravity for individual bubble so that the relative velocity vector in a swarm of bubbles is captured with ...
Yuichi MURAI, Jian Wu QU, Fujio YAMAMOTO
openaire   +2 more sources

Brane Big-Bang Brought by Bulk Bubble [PDF]

, 2001
We propose an alternative inflationary universe scenario in the context of Randall-Sundrum braneworld cosmology. In this new scenario the existence of extra-dimension(s) plays an essential role.
A. Gorsky, A. Lukas, A. Lukas, A. Lukas, A. Lukas, A. Lukas, A. Lukas, A. Neronov, A. Vilenkin, A.Y. Neronov, Akihiro Ishibashi, C. Csaki, C. Csaki, C. Csaki, C. Deffayet, C. Deffayet, C. van de Bruck, D. Ida, D. Ida, D. La, D. Langlois, D. Langlois, D. Langlois, D. Nunez, D.H. Lyth, D.H. Lyth, E. Poisson, E.E. Flanagan, G. Dvali, G. Dvali, G. Kofinas, G.W. Gibbons, H. Ishihara, H. Kodama, H.A. Bridgman, H.A. Chamblin, H.B. Kim, I. Antoniadis, I.H. Redmount, J. Garriga, J. Garriga, J. Garriga, J. Khoury, J. Yokoyama, J.B. Hartle, J.J. Blanco-Pillado, J.M. Cline, J.R. Gott, J.R. Gott, K. Koyama, K. Koyama, K. Koyama, K. Nakao, K. Yamamoto, L. Anchordoqui, L. Anchordoqui, L. Randall, L. Randall, M. Bucher, M. Sasaki, M. Sasaki, M. Visser, N. Arkani-Hamed, N. Deruelle, N. Kaloper, N. Kaloper, N. Sago, P. Binetruy, P. Binetruy, P. Binetruy, P. Bowcock, P. Brax, P. Hořava, P. Hořava, P. Kraus, R. Cordero, R. Dick, R. Kallosh, R. Maartens, R. Maartens, R.R. Caldwell, S. Coleman, S. Coleman, S. Kobayashi, S. Mukohyama, S. Mukohyama, S. Mukohyama, S. Mukohyama, S. Mukohyama, S. Nojiri, S.B. Giddings, S.W. Hawking, T. Dray, T. Nihei, T. Shiromizu, T. Tanaka, T. Tanaka, Takahiro Tanaka, Uchida Gen, V.A. Rubakov, W.B. Perkins, Y. Himemoto   +101 more
core   +3 more sources

Experimental study of bubble dynamics in the neighbourhood of a vertical incomplete boundary

Ultrasonics Sonochemistry, 2021
The bubbles have been widely used in biomedical field, military and chemical industry. The liquid jet generated by the bubble collapse through an orifice is utilized in needle-free injections and inkjet printing.
Jie Cui, Tao-Ran Zhou, Xiao Huang, Zi-Chao Li   +3 more
doaj   +1 more source

Micro-jet formation induced by the interaction of a spherical and toroidal cavitation bubble

Ultrasonics Sonochemistry
We investigate experimentally and numerically the interaction between a spherical cavitation bubble and a wall-bounded toroidal cavitation bubble. We demonstrate that shock wave focusing following toroidal bubble initiation induces the formation of micro-
Jaka Mur, Alexander Bußmann, Thomas Paula, Stefan Adami, Nikolaus A. Adams, Rok Petkovsek, Claus-Dieter Ohl   +6 more
doaj   +1 more source

Axially-distributed bubble-bubble interaction under a coustic excitation in pipeline

Acta Physica Sinica, 2020
Acoustically-excited bubble dynamics is the foundation of pipeline bubble detection based on acoustic technology. Due to the existence of multiple bubbles in pipeline flow, the Bjerknes forces among arbitrary bubbles under acoustic excitation may enforce bubble-bubble interaction and then change the features of bubble dynamics.
Xiang Li, Yong Chen, Hao Feng, Lei Qi
openaire   +1 more source

Multibubble cavitation inception

, 2009
The inception of cavitation in multibubble cases is studied numerically and theoretically to show that it is different from that in single-bubble cases in several aspects.
Ida, Masato
core   +1 more source

Experimental evidence of flow destabilization in a 2D bidisperse foam [PDF]

, 2006
Liquid foam flows in a Hele-Shaw cell were investigated. The plug flow obtained for a monodisperse foam is strongly perturbed in the presence of bubbles whose size is larger than the average bubble size by an order of magnitude at least.
C. Poloni, D. Weaire, G. Hirasaki, I. Cantat, R. Delannay   +4 more
core   +3 more sources

Bubble-Bubble Interaction in Horizontal Two-Phase Slug Flow

Journal of the Brazilian Society of Mechanical Sciences, 2001
Modelling of the slug structure requires a new effort on fundamental research. To clarify some aspects of the horizontal slug flow, an experimental study of the behaviour of two isolated bubbles in a single-phase liquid flow was performed. This procedure was adopted to avoid the overlap of different phenomena induced by a train of long bubbles.
Fagundes Netto, José Roberto, Fabre, Jean, Péresson, Lucien   +2 more
openaire   +2 more sources

Experimental and simulation analysis of bubble deformation in foaming polypropylene

Materials Research Express, 2022
This paper investigates the bubble deformation in bubble growth using a self-made in situ visual injection molding device. The results show that the deformation degree of independent bubbles is kept within 0.015.
Di Zhang, Ming Li, Lushuai Cao, Bujin Liu, Tuanhui Jiang, Xiangbu Zeng, Chun Zhang, Wei Gong, Li He   +8 more
doaj   +1 more source

Multiscale interactions of liquid, bubbles and solid phases in ultrasonic fields revealed by multiphysics modelling and ultrafast X-ray imaging

Ultrasonics Sonochemistry, 2022
The volume of fluid (VOF) and continuous surface force (CSF) methods were used to develop a bubble dynamics model for the simulation of bubble oscillation and implosion dynamics under ultrasound.
Ling Qin, Kyriakos Porfyrakis, Iakovos Tzanakis, Nicole Grobert, Dmitry G. Eskin, Kamel Fezzaa, Jiawei Mi   +6 more
doaj   +1 more source