Pressure drop for flow of polymer solution in a model porous medium
โ Scribed by S. Vossoughi; F. A. Seyer
- Book ID
- 112053500
- Publisher
- John Wiley and Sons
- Year
- 1974
- Tongue
- English
- Weight
- 370 KB
- Volume
- 52
- Category
- Article
- ISSN
- 0008-4034
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๐ SIMILAR VOLUMES
Bingham flow in a porous medium is considered. This can he modelled by a random structure whose dimensions are large compared with the local scale. The principal term of the asymptotic form of the critical pressure at which the liquid starts to move in this limit is computed explicitly.
This paper shows for the first time the similarities between many published correlations for turbulent drag reduction. It also represents fresh evidence to support the concept of a maximum drag reduction assymptote. A simple correlation is developed for use in a scale up process for flow of dilute p
When the free surface of liquid flowing downward through a porous medium comes into the medium, the liquid flow is made difficult due to a capillary pressure that arises at the meniscus. Practically, such a capillary pressure should become important when the top surface of a riser in ingots and cast