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- Title
Turbulent couette flow between corrugated walls: The case with motion of one wall perpendicular to the corrugation cavities.
- Authors
Nasab, Nina Rajabi; Mithrush, Troy; Olson, James A.; Martinez, D. Mark
- Abstract
In this work, we numerically examine the two dimensional flow of a Newtonian fluid in the gap formed between two opposing cavities. The fluid is driven by the motion of the upper cavity and the case considered represents a simplified version of the geometry found in Low Consistency (LC) refiners. Numerical studies were conducted in which we characterized the effect of gap size on the flow field. Then, we examine material transport between the cavities by introducing a passive scalar to represent the motion of tracer particles. A large number of unsteady simulations were conducted over the range of velocities and gap sizes. Over the range of parameters studied, we identify two characteristic flow fields, defined as either steady or unsteady.
- Subjects
NEWTONIAN fluids; FLUID dynamics; TRANSPORT theory; PARTICLE physics; MASS transfer
- Publication
Canadian Journal of Chemical Engineering, 2014, Vol 92, Issue 10, p1766
- ISSN
0008-4034
- Publication type
Article
- DOI
10.1002/cjce.22008