A Numerical Study of Source-Sink Flows in a Rotating Cylinder

概要

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Numerical investigations are made on the source-sink flows in a rotatingcylinder. A finite difference method is used to solve the time-dependent fullNavier-Stokes equations to an incompressible, viscous and axisymmetric flow.Computations are carried out for three cases with different Ekman numbersand a fixed aspect ratio. Transient aspects of flows are discussed focusing on thedevelopments of the Ekman layers on both disks, and the E"' layers verticallyformed at the radii of a source and sink located on the upper and lower disk,respectively. Numerical results based on a similarity analysis of the nonlinearE"' layer agree well with the experimental ones.
社団法人日本物理学会の論文
1978-10-15