Single-particle motion and vortex stretching in three-dimensional turbulent 
flows.

Pumir, A.; Xu, H.; Bodenschatz, E.; Grauer, R.

doi:10.1103/PhysRevLett.116.124502

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Single-particle motion and vortex stretching in three-dimensional turbulent flows.

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/persons/resource/persons173623

Pumir, A.
Laboratory for Fluid Dynamics, Pattern Formation and Biocomplexity, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society;

/persons/resource/persons173713

Xu, H.
Laboratory for Fluid Dynamics, Pattern Formation and Biocomplexity, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society;

/persons/resource/persons173472

Bodenschatz, E.
Laboratory for Fluid Dynamics, Pattern Formation and Biocomplexity, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society;

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引用

Pumir, A., Xu, H., Bodenschatz, E., & Grauer, R. (2016). Single-particle motion and vortex stretching in three-dimensional turbulent flows. Physical Review Letters, 116(12):. doi:10.1103/PhysRevLett.116.124502.

引用: https://hdl.handle.net/11858/00-001M-0000-002A-2B43-D

要旨

Three-dimensional turbulent flows are characterized by a flux of energy from large to small scales, which breaks the time reversal symmetry. The motion of tracer particles, which tend to lose energy faster than they gain it, is also irreversible. Here, we connect the time irreversibility in the motion of single tracers with vortex stretching and thus with the generation of the smallest scales.