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On the role of helicity in complex fluid flows

✍ Scribed by Leonid Shtilman; Evgeny Levich; Steven A. Orszag; Richard B. Pelz; Arkady Tsinober


Publisher
Elsevier Science
Year
1985
Tongue
English
Weight
332 KB
Volume
113
Category
Article
ISSN
0375-9601

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## Abstract Helical flow of viscoplastic Herschel‐Bulkley fluids in concentric and eccentric annuli with rotating inner cylinder was investigated numerically. Similar flows occur in drilling operations of oil and gas wells. A finite volume algorithm with a nonstaggered grid system and a nonorthogon