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fluid dynamics
Trends
- 1Dong-A University Team Solves 130-Year-Old Fluid Interface Mystery▼Dong-A University Professor Heonsang Lee's Team Solves 130-Year-Old Mystery of “Interfaces in Miscible Fluids”
A research team led by Professor Heonsang Lee at Dong-A University in South Korea claims to have resolved a puzzle in fluid dynamics that has stood for about 130 years: whether interfaces exist between miscible fluids, which mix freely with one another. The finding, reported in Korean media under the physics label, sheds light on boundary behavior between fluids that were long thought to have no interface.
- 2Scientists Use Bottle Acoustics to Steer Microrobots●Driving Robots with Acoustic Resonance Blow across a glass bottle at the right flow speed, and you’ll excite Helmholtz r
Researchers have developed a new method for controlling microrobots using Helmholtz resonance — the acoustic effect produced when you blow across a glass bottle's neck. By miniaturizing the effect, they can drive the tiny robots with sound generated by airflow. The work was shared with flow visualization imagery, and physics and fluid dynamics enthusiasts are discussing its potential applications.
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Researchers reported generating quasicrystalline patterns in water waves, extending structures once thought unique to solid materials into fluid dynamics. The work, presented under the American Physical Society, shows wave interference can be arranged into quasiperiodic order that never repeats yet remains ordered. Physicists are discussing what the finding reveals about pattern formation and possible applications in wave control.
- 4X-ray microscopy reveals flow behaviour in nanoparticle suspensions▼Multiscale transitional flow in anisotropic nanoparticle suspensions revealed by time-resolved X-ray scatter microscopy
Researchers have used time-resolved X-ray scatter microscopy to reveal multiscale transitional flow in anisotropic nanoparticle suspensions, according to a study published in Nature. The technique captures how these suspensions behave across different length and time scales as they transition between flow regimes. Findings could inform work on complex fluids in materials science and industrial processing.