Resonance type flow due to rectilinear oscillations of a sphere in a micropolar fluid

The flow of an incompressible micro-polar fluid generated due to rectilinear oscillations of a sphere about a diameter of the sphere is considered. The flow is so slow that oscillations Reynolds number is less than unity and hence nonlinear convective terms in the equations of motion are neglected....

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Bibliographic Details
Published in:Journal of physics. Conference series 2015-12, Vol.662 (1), p.12015
Main Authors: Murthy, J V Ramana, Rao, G S Bhaskara, Rao, T Govinda
Format: Article
Language:English
Subjects:
Drag
Equations of motion
Fluid flow
Incompressible flow
Micropolar fluids
Oscillations
Parameters
Physical properties
Physics
Resonance
Reynolds number
Stream functions (fluids)
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Summary:The flow of an incompressible micro-polar fluid generated due to rectilinear oscillations of a sphere about a diameter of the sphere is considered. The flow is so slow that oscillations Reynolds number is less than unity and hence nonlinear convective terms in the equations of motion are neglected. A rare but distinct special case in which material constants satisfy a resonance condition is considered. The stream function and drag acting on cylinder are obtained. The effect of physical parameters like micro-polarity and couple stress parameter on the drag due to oscillations is shown through graphs.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/662/1/012015