Related Experiment Video
Updated: Jan 22, 2026
08:02
Reservoir Condition Pore-scale Imaging of Multiple Fluid Phases Using X-ray Microtomography
Published on: February 25, 2015
13.0K
Domain growth and aging in a phase separating binary fluid confined inside a nanopore.
Saikat Basu1, Suman Majumder2, Raja Paul3
1Department of Physics, Sonamukhi College, Bankura, West Bengal 722202, India. saikatjuphy0809@gmail.com.
Soft Matter
|January 21, 2026
Summary
Hydrodynamics significantly impacts phase separation kinetics in confined fluids. Simulations reveal temperature-independent domain growth and aging dynamics, freezing into stripe patterns within cylindrical pores.
Area of Science:
- Physics
- Physical Chemistry
- Materials Science
Background:
- Hydrodynamics profoundly influences phase separation kinetics.
- Understanding these effects in confined systems remains an open research question.
Purpose of the Study:
- Investigate phase separation kinetics in a two-component fluid confined within cylindrical pores.
- Analyze domain growth and aging dynamics under varying temperatures and pore widths.
Main Methods:
- Employed molecular dynamics simulations with a hydrodynamics-preserving thermostat.
- Studied systems with varying temperatures and pore widths.
Main Results:
- Observed that all systems freeze into a striped morphology.
- Domain size growth (ℓ(t)) follows a ℓ(t) ~ t^(2/3) power law, indicative of inertial hydrodynamic growth.
- Aging dynamics exhibit a temperature-independent power-law scaling with an exponent λ ≈ 2.55.
Conclusions:
- Confinement effects lead to a unique striped morphology in phase-separating fluids.
- The observed growth and aging dynamics deviate from bulk fluid behavior, suggesting unique confined hydrodynamics.
Related Concept Videos
01:26Binary Fission
2.5K
Binary fission is the primary mode of asexual reproduction in prokaryotes, such as bacteria. It results in the production of two genetically identical daughter cells. This highly efficient process ensures the rapid propagation of bacterial populations under favorable conditions and involves coordinated cellular and molecular events.DNA Replication and SeparationThe process begins with the replication of the bacterial chromosome. The circular DNA molecule unwinds at a specific origin of...
2.5K
01:20Binary Fission
62.9K
Fission is the division of a single entity into two or more parts, which regenerate into separate entities that resemble the original. Organisms in the Archaea and Bacteria domains reproduce using binary fission, in which a parent cell splits into two parts that can each grow to the size of the original parent cell. This asexual method of reproduction produces cells that are all genetically identical.
62.9K
01:24Time and frequency -Domain Interpretation of Phase-lead Control
435
Phase-lead controllers are commonly used in various control systems to enhance response speed and stability. Adjusting the brightness on a television screen offers a practical example of phase-lead control. When contrast is enhanced, a phase-lead controller is employed. Mathematically, phase-lead control is identified when the first parameter is smaller than the second.
The design of phase-lead control involves the strategic placement of poles and zeros to balance steady-state error and system...
The design of phase-lead control involves the strategic placement of poles and zeros to balance steady-state error and system...
435
01:21Time and frequency -Domain Interpretation of Phase-lag Control
397
Phase-lag controllers are widely used in control systems to improve stability and reduce steady-state errors. A dimmer switch controlling the brightness of a light bulb serves as a practical example of phase-lag control, gradually adjusting the bulb's brightness. Mathematically, phase-lag control or low-pass filtering is represented when the factor 'a' is less than 1.
Phase-lag controllers do not place a pole at zero, but instead influence the steady-state error by amplifying any...
Phase-lag controllers do not place a pole at zero, but instead influence the steady-state error by amplifying any...
397
02:39Phase Diagrams
49.0K
A phase diagram combines plots of pressure versus temperature for the liquid-gas, solid-liquid, and solid-gas phase-transition equilibria of a substance. These diagrams indicate the physical states that exist under specific conditions of pressure and temperature and also provide the pressure dependence of the phase-transition temperatures (melting points, sublimation points, boiling points). Regions or areas labeled solid, liquid, and gas represent single phases, while lines or curves represent...
49.0K
02:26Conservation of Protein Domains Over Different Proteins
14.1K
Protein domains are small structurally independent units that are part of a single amino acid chain. Although these domains are often structurally independent, they may rely on synergistic effects to perform their functions as part of a larger protein. Protein domains may be conserved within the same organism, as well as across different organisms.
A limited set of protein domains often duplicate and recombine during evolution. These domains can be organized in different combinations to...
A limited set of protein domains often duplicate and recombine during evolution. These domains can be organized in different combinations to...
14.1K