Polymer solutions in the conditions of wall-adjacent turbulence and the mechanism of hydrodynamic drag reduction (Q2767654)
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scientific article; zbMATH DE number 1698100
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Polymer solutions in the conditions of wall-adjacent turbulence and the mechanism of hydrodynamic drag reduction |
scientific article; zbMATH DE number 1698100 |
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30 January 2002
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turbulent boundary layer
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drag reduction
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polymer solution
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nonlinear deformations
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Polymer solutions in the conditions of wall-adjacent turbulence and the mechanism of hydrodynamic drag reduction (English)
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The authors present results of experimental investigations of turbulent polymer solution flow based on polarization-optical measurements. A strong deformation action of hydrodynamic field to macromolecules in some zones of a boundary layer is established. It is shown that such nonlinear deformations directly make conditions for drag reduction. Some anomalous effects in the turbulent boundary layer are investigated.
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