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Turbulent Flows

All articles tagged with #turbulent flows

science-and-technology2 years ago

"Unraveling Extreme Events: Deep Learning Sheds Light on the Unexplained"

Researchers from Florida Atlantic University's College of Engineering and Computer Science have used deep learning techniques to analyze extreme events in turbulent flows. By adapting a computer-vision deep learning technique, they were able to identify and regulate organized structures within wall-bounded turbulent flows, which have applications in various fields such as wind and hydrokinetic energy. The study demonstrates that the technique can accurately identify the sources of extreme events in a data-driven manner, providing valuable insights into the physics of fluids and potentially extending to other scientific domains.

science2 years ago

Study Challenges Long-Held Principles on Turbulent Flows in New Findings

Experiments conducted at the Max Planck Institute for Dynamics and Self-Organization (MPI-DS) in Göttingen reveal that the scaling laws formulated over 80 years ago, which explain turbulent flows, are only partially accurate. The study shows that these laws, established by mathematician Andrei Kolmogorov in 1941, apply only to strongly idealized flows and do not fully explain real-world turbulence. The researchers used a unique wind tunnel to generate high degrees of turbulence and found systematic deviations from Kolmogorov's predictions, suggesting that medium-sized eddies are not completely decoupled from larger eddies in a system. The findings have implications for understanding turbulence in engineered flows and climate models.