Bubble Dynamics Analysis
Bubble Dynamics Analysis - Related Videos
01:13
Excess Pressure Inside a Drop and a Bubble
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2023
The shape of a small drop of liquid can be considered spherical, neglecting the effect of gravity. This drop can further be considered as two equal hemispherical drops put together due to surface tension. The forces acting on the spherical drop are due to the pressure of the liquid inside the drop, the pressure due to air outside the drop, and the force due to the surface tension acting on the two hemispherical drops. where γ corresponds to the surface tension. Recalling that the force per...
13:43
Correlative Microscopy for 3D Structural Analysis of Dynamic Interactions
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Cited by 15 •
2013
We describe a correlative microscopy method that combines high-speed 3D live-cell fluorescent light microscopy and high-resolution cryo-electron tomography. We demonstrate the capability of the correlative method by imaging dynamic, small HIV-1 particles interacting with host HeLa cells.
08:14
Comprehensive Analysis of Transcription Dynamics from Brain Samples Following Behavioral Experience
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Cited by 6 •
2014
This manuscript describes a protocol that applies comprehensive profiling for analysis of transcriptional programs induced in specific brain nuclei of rodents following behavioral paradigms. Herein, this approach is illustrated in the context of profiling genes induced in the nucleus accumbens (NAc) of mice following acute cocaine exposure, utilizing microfluidic qPCR arrays.
08:19
Induction of Microstreaming by Nonspherical Bubble Oscillations in an Acoustic Levitation System
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Cited by 2 •
2021
A fast and reliable technique is proposed to control the shape oscillations of a single, trapped acoustic bubble that is based on coalescence technique between two bubbles. The steady-state, symmetry-controlled bubble shape oscillations allow analysis of the fluid flow generated in the vicinity of the bubble interface.
10:23
High-resolution Imaging and Analysis of Individual Astral Microtubule Dynamics in Budding Yeast
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Cited by 33 •
2017
Budding yeast is an advantageous model for studying microtubule dynamics in vivo due to its powerful genetics and the simplicity of its microtubule cytoskeleton. The following protocol describes how to transform and culture yeast cells, acquire confocal microscopy images, and quantitatively analyze microtubule dynamics in living yeast cells.
FAQs
The Rayleigh-Plesset equation links changes in bubble radius to surrounding pressure and bubble-related properties such as surface tension and viscosity. By representing radial motion over time, it helps analyze whether a bubble grows, oscillates, or collapses under changing conditions. Engineers can then compare predicted behavior with measurements to evaluate transient multiphase responses in a system.
Pressure, surface tension, viscosity, acoustic excitation, and flow conditions collectively shape bubble behavior. Pressure affects the surrounding force driving growth or collapse, while surface tension and viscosity influence the bubble’s response. Acoustic or bulk-flow conditions can modify oscillation and translation. Examining these variables helps identify which operating conditions control system behavior.
Collapse is important because it represents a late stage of bubble motion in which changing forces and energy transfer become especially relevant to engineering performance. In cavitation studies, analyzing the conditions that lead to collapse helps engineers connect bubble behavior with potential damage. That connection supports safer designs for systems such as pumps and propellers.
An investigation can combine measurements or numerical models with tracked radius, pressure, temperature, surface tension, viscosity, and acoustic or flow conditions. Analysts use these inputs to describe time-dependent radial motion, then relate calculated or observed growth, oscillation, translation, and collapse to forces and energy transfer. This workflow connects bubble-scale behavior with system performance.
Applications include predicting cavitation damage, optimizing pumps and propellers, interpreting ultrasonic processing, and improving boiling and microfluidic devices. In each case, the analysis helps relate bubble-scale changes to operating conditions and engineering outcomes. Its value extends from protecting fluid machinery to improving the performance of fluid-processing and microscale technologies.
Measurements and numerical models provide complementary routes for studying bubble behavior. Measurements reveal how radius and related variables change in an actual system, whereas numerical models use specified conditions to examine the corresponding dynamics. Combining both approaches can strengthen interpretation of transient multiphase behavior and help engineers assess design choices when direct observation is limited.