Pseudospectral calculations of stress-induced concentration changes in viscometric flows of polymer solutions (Q1310067)
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scientific article; zbMATH DE number 474901
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Pseudospectral calculations of stress-induced concentration changes in viscometric flows of polymer solutions |
scientific article; zbMATH DE number 474901 |
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Pseudospectral calculations of stress-induced concentration changes in viscometric flows of polymer solutions (English)
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2 January 1994
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We investigate the flow of dilute polymer solutions in viscometric devices where the polymer concentration is allowed to vary due to the existence of nonzero stress gradients. A spectral collocation method is used in order to solve for the axisymmetric steady-state solution of the full set of the governing equations. Two alternative continuum formulations are considered based on a single- and two-fluid concept, respectively.
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single-fluid concept
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nonzero stress gradients
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spectral collocation method
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axisymmetric steady-state solution
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two-fluid concept
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0.89132345
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0.8797197
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0.87715775
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0.8764405
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0.8757001
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0.87272835
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0.87257206
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