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Updated: Jun 16, 2025
04:35
Preparation of Free-Surface Hyperbolic Water Vortices
Published on: July 28, 2023
2.5K
Designing turbulence with entangled vortices
Weiyu Shen1, Jie Yao2, Yue Yang1,3
1State Key Laboratory for Turbulence and Complex Systems, Department of Mechanics and Engineering Science, College of Engineering, Peking University, Beijing 100871, People's Republic of China.
Summary
Researchers generated classical turbulence using quantum vortex tangles. This novel method creates a tunable testbed for studying turbulence, energy cascades, and extreme events in fluid dynamics.
Area of Science:
- Fluid Dynamics and Turbulence
- Quantum Mechanics and Condensed Matter Physics
Background:
- Classical turbulence involves complex vortex networks storing and dissipating energy.
- Understanding how turbulence statistical properties emerge from elemental vortical structures is a significant challenge.
Purpose of the Study:
- To develop a novel method for generating classical turbulent fields using quantum vortex tangles.
- To create a tunable testbed for analyzing and modeling turbulence, energy cascades, and extreme events.
Main Methods:
- Utilized quantum vortex tangles as a 'skeleton' to construct instantaneous classical turbulent fields.
- Employed intertwined vortex tubes and tunable vortex thickness to synthesize turbulence.
- Manipulated elemental vortical structures to customize statistical features of the synthetic turbulence.
Main Results:
- Successfully generated synthetic classical turbulence that satisfies key statistical laws.
- Demonstrated that the quantum skeleton and tunable vortex thickness are crucial for replicating turbulence properties.
- Showcased the ability to customize turbulence with desired statistical features by manipulating elemental structures.
Conclusions:
- The quantum vortex tangle provides a viable skeleton for generating realistic classical turbulence.
- This bottom-up approach offers valuable insights into energy cascade mechanisms and extreme event prediction.
- The developed method serves as a powerful testbed for turbulence research and modeling.
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