Tag

Fluid Mechanics

All articles tagged with #fluid mechanics

science1 year ago

"Theoretical Description of Topological Water Wave Structures by Researchers"

Researchers at RIKEN have provided a theoretical framework for describing various topological wave structures in water waves, such as vortices and skyrmions, which have not been systematically studied before. Their work, published in Physical Review Letters, outlines four different types of topological wave structures and could inform future experiments aimed at emulating these phenomena. The study shows that classical water waves can exhibit topologically nontrivial structures with interesting physical properties, paving the way for new research in fluid mechanics and potential applications in microfluidic manipulation and modeling complex wave phenomena.

science1 year ago

"Decades-Old Physics Puzzle of the 'Reverse Sprinkler' Finally Solved"

After decades of scientific inquiry, researchers have finally solved the mystery of the "reverse sprinkler," a long-standing physics puzzle known as Feynman's Sprinkler Problem. By combining precision lab experiments with mathematical modeling, a team of mathematicians has revealed how flowing fluids exert forces and move structures, explaining the workings of a reverse sprinkler. The study provides insights into the underlying physics of fluid flow through structures and may have practical applications in engineering devices that use flowing fluids to control motions and forces.

science2 years ago

Understanding Vortex Rings in Nuclear Fusion and Supernovae

Researchers at the University of Michigan have developed a model to better understand the formation of vortex rings, which could help nuclear fusion researchers compress fuel more efficiently and bring humanity closer to capturing the power of nuclear fusion as an energy source. The model could also help other engineers who must manage the mixing of fluids after a shock wave passes through, as well as physicists trying to understand supernovae. The researchers have shown that vortex rings that form at the leading edge of jets are mathematically similar to smoke rings, the eddies behind jellyfish, and the plasma rings that fly off the surface of a supernova.