Bubble Point
Bubble Point - Related Videos
01:13
Excess Pressure Inside a Drop and a Bubble
0 Views •
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...
08:19
Induction of Microstreaming by Nonspherical Bubble Oscillations in an Acoustic Levitation System
0 Views •
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.
07:18
Lipid Bilayer Experiments with Contact Bubble Bilayers for Patch-Clampers
0 Views •
Cited by 12 •
2019
Here, we present a protocol for the formation of lipid bilayers using a contact bubble bilayer method. A water bubble is blown into an organic solvent, whereby a monolayer is formed at the water-oil interface. Two pipettes are manipulated to dock the bubbles to form a bilayer.
11:08
Cultivation of Green Microalgae in Bubble Column Photobioreactors and an Assay for Neutral Lipids
0 Views •
Cited by 23 •
2019
Here, we present a protocol to construct lab-scale bubble column photobioreactors and use them to culture microalgae. It also provides a method for the determination of the culture growth rate and neutral lipid content.
11:14
A Microfluidic System with Surface Patterning for Investigating Cavitation Bubble(s)–Cell Interaction and the Resultant Bioeffects at the Single-cell Level
0 Views •
Cited by 8 •
2017
A microfluidic chip was fabricated to produce pairs of gold dots for tandem bubble generation and fibronectin-coated islands for single-cell patterning nearby. The resultant flow field was characterized by particle image velocimetry and was employed to study various bioeffects, including cell membrane poration, membrane deformation, and intracellular calcium response.
FAQs
Pressure determines the temperature at which vaporization can begin. When the surrounding pressure changes, the mixture must reach a corresponding vapor-pressure condition before a stable vapor phase forms. Recording bubble-point temperatures at different pressures therefore reveals how the liquid responds to operating conditions and supplies data for evaluating boiling behavior in chemical processes.
Components with greater volatility enter the vapor phase preferentially as the liquid begins to vaporize. Consequently, the first vapor does not generally have the same composition as the original liquid mixture. This compositional difference is central to understanding vapor-liquid equilibrium and explains why boiling can separate components in multicomponent solutions.
Bubble-point data identify conditions where liquid and vapor phases coexist in equilibrium, linking temperature, pressure, and mixture composition. When collected across different compositions or operating pressures, these measurements help construct phase diagrams. Such diagrams show the boiling behavior of solutions and multicomponent systems and support interpretation of phase changes during processing.
Researchers record the temperature and pressure conditions associated with the onset of vapor formation for selected liquid mixtures. Comparing these conditions across compositions provides vapor-liquid equilibrium information that can be represented in phase diagrams. The resulting relationships help predict how a system changes between liquid and vapor states under defined conditions.
Distillation relies on differences in how mixture components distribute between liquid and vapor phases. Bubble-point measurements provide boiling and vapor-liquid equilibrium data needed to evaluate that behavior. Engineers can use the information when designing separation operations, because it indicates how volatile components enter the vapor phase and supports planning for component enrichment.
The measurements show when vaporization begins and which components preferentially enter the vapor phase. This information helps assess whether a solution can be separated through boiling-based operations such as distillation. It also supports product purification by relating operating temperature and pressure to the phase behavior of the mixture being processed.
Bubble-point conditions indicate when a liquid mixture may begin producing vapor at a specified pressure or temperature. Knowing these conditions helps process operators evaluate phase changes involving volatile liquids and avoid treating the mixture as entirely liquid under unsuitable conditions. The data therefore contribute to safer operation and more informed control of chemical processes.