dorsal/arxiv
View SchemaVortex Stretching and Reconnection in a Compressible Fluid
| Authors | Bhimsen K. Shivamoggi |
|---|---|
| Categories | |
| ArXiv ID | physics/0509200 |
| URL | https://arxiv.org/abs/physics/0509200 |
| DOI | 10.1140/epjb/e2006-00086-0 |
Abstract
Vortex stretching in a compressible fluid is considered. Two-dimensional and axisymmetric cases are considered separately. The flows associated with the vortices are perpendicular to the plane of the uniform straining flows. Externally-imposed density build-up near the axis leads to enhanced compactness of the vortices - "dressed" vortices (in analogy to "dressed" charged particles in a dielectric system). The compressible vortex flow solutions in the 2D as well as axisymmetric cases identify a length scale relevant for the compressible case which leads to the Kadomtsev-Petviashvili spectrum for compressible turbulence. Vortex reconnection process in a compressible fluid is shown to be possible even in the inviscid case - compressibility leads to defreezing of vortex lines in the fluid.
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"abstract": "Vortex stretching in a compressible fluid is considered. Two-dimensional and\naxisymmetric cases are considered separately. The flows associated with the\nvortices are perpendicular to the plane of the uniform straining flows.\nExternally-imposed density build-up near the axis leads to enhanced compactness\nof the vortices - \"dressed\" vortices (in analogy to \"dressed\" charged particles\nin a dielectric system). The compressible vortex flow solutions in the 2D as\nwell as axisymmetric cases identify a length scale relevant for the\ncompressible case which leads to the Kadomtsev-Petviashvili spectrum for\ncompressible turbulence. Vortex reconnection process in a compressible fluid is\nshown to be possible even in the inviscid case - compressibility leads to\ndefreezing of vortex lines in the fluid.",
"arxiv_id": "physics/0509200",
"authors": [
"Bhimsen K. Shivamoggi"
],
"categories": [
"physics.flu-dyn"
],
"doi": "10.1140/epjb/e2006-00086-0",
"title": "Vortex Stretching and Reconnection in a Compressible Fluid",
"url": "https://arxiv.org/abs/physics/0509200"
},
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