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Numerical simulation of flow of a shear-thinning Carreau fluid over a transversely oscillating cylinder

Authors :
Subrata Kumar
Piru Mohan Khan
Somnath C. Roy
Md. Irshad Alam
Apurva Raj
Source :
Journal of Fluid Mechanics. 921
Publication Year :
2021
Publisher :
Cambridge University Press (CUP), 2021.

Abstract

Flow of a shear-thinning fluid over curved and moving geometries demands special attention owing to its industrial and biological relevance. The present study reports a numerical simulation of the motion of a Carreau fluid over a transversely oscillating cylinder for a range of oscillation amplitudes and frequencies at Reynolds number ). This difference in the flow structures is explained through the behaviour of the diffusion terms in the vorticity transport equation. Further, the effect of the Carreau fluid properties on the flow structures and vorticity dynamics are also discussed.

Details

ISSN :
14697645 and 00221120
Volume :
921
Database :
OpenAIRE
Journal :
Journal of Fluid Mechanics
Accession number :
edsair.doi...........16a2ade0894e72db0c96bc818f445169
Full Text :
https://doi.org/10.1017/jfm.2021.485