The analysis reveals secondary flow patterns in viscous fluid using Navier Stokes equations, suggesting insights into flow dynamics in spherical cavities.
In this paper, the problem of secondary motion of fluid in region between two concentric spheres are studied. Navier Stokes equations are employed to obtain the flow field, and the components of velocity for primary and secondary flow, stream function are obtained. Further, two particular cases are deduced and discussed for the radius of cavity. Finally, Equi-pressure lines, streamlines, and vortex lines are constructed to visually demonstrate the impact of different factors on the flow pattern.
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Awasthi et al. (2025) studied this question.
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