Velocity alignment explains Lagrangian irreversibility in turbulence
Fuente:
arXiv
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| Autor principal: | |
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| Formato: | Preprint |
| Publicado: |
2025
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| Materias: | |
| Acceso en línea: | |
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| _version_ | 1866918126905458688 |
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| author | Shnapp, Ron |
| author_facet | Shnapp, Ron |
| contents | Lagrangian particles in turbulence separate away from each other faster in the backward in time direction as compared to forward in time. In this work, we show that time irreversibility is kinematically rooted in the fact that, when viewed backward in time, the alignment of particles' relative velocities is better than when viewed forward in time. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2503_12090 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Velocity alignment explains Lagrangian irreversibility in turbulence Shnapp, Ron Fluid Dynamics Lagrangian particles in turbulence separate away from each other faster in the backward in time direction as compared to forward in time. In this work, we show that time irreversibility is kinematically rooted in the fact that, when viewed backward in time, the alignment of particles' relative velocities is better than when viewed forward in time. |
| title | Velocity alignment explains Lagrangian irreversibility in turbulence |
| topic | Fluid Dynamics |
| url | https://arxiv.org/abs/2503.12090 |