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Wavelength scaling of spiral patterns formed by granular media underneath a rotating fluid
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UNSPECIFIED (2000) Wavelength scaling of spiral patterns formed by granular media underneath a rotating fluid. PHYSICAL REVIEW E, 61 (5 Part B). pp. 5588-5592. ISSN 1063-651X.
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Abstract
A spiral pattern formed by granular media underneath a rotating fluid is discussed. Results from a cellular-automaton model are compared to experimental data, and are found to reproduce experimentally observed scalings. A theoretical argument predicting these scalings on the basis of the existence of a critical threshold condition is advanced. It is suggested that the pattern is probably not associated with a hitherto unknown flow instability, as has been speculated previously. It appears that the pattern constitutes some rotating analog to sand ripples in nonrotating systems.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Subjects: | Q Science > QC Physics | ||||
| Journal or Publication Title: | PHYSICAL REVIEW E | ||||
| Publisher: | AMERICAN PHYSICAL SOC | ||||
| ISSN: | 1063-651X | ||||
| Official Date: | May 2000 | ||||
| Dates: |
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| Volume: | 61 | ||||
| Number: | 5 Part B | ||||
| Number of Pages: | 5 | ||||
| Page Range: | pp. 5588-5592 | ||||
| Publication Status: | Published |
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