Selection of inertial modes in spherical Couette flow

Physical Review E - Statistical, Nonlinear, and Soft Matter Physics

Volumn 81, Issue 2, 2010, Pages

  Kelley, Douglas H ^a   Triana, Santiago Andrés ^a   Zimmerman, Daniel S ^a   Lathrop, Daniel P ^b  

^a University of Maryland   (United States)

^b UNIVERSITY OF MARYLAND   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ASTROPHYSICAL OBJECTS; COUETTE CELL; COUETTE DEVICES; DAMPING EFFECT; EXPERIMENTAL OBSERVATION; LINEAR WAVES; MODE SELECTION; PLANETARY ATMOSPHERE; ROTATING FLOW; ROTATING SPHERES; SELECTION MECHANISM; SHEAR LAYER; SPHERICAL COUETTE FLOW;

AMPLIFICATION; DAMPING; OCEANOGRAPHY; ROTATION;

SPHERES;

EID: 77249105038     PISSN: 15393755     EISSN: 15502376     Source Type: Journal    
DOI: 10.1103/PhysRevE.81.026311     Document Type: Article

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30. This case is similar to what is often called "geostrophic flow," in which Coriolis and pressure forces balance each other in a steady (time-independent) way.
31. Though our device is a spherical shell, its modes are well approximated by the full-sphere modes, consistent with expectations from theoretical work; in fact, some full-sphere modes persist unchanged in a spherical shell. The change in geometry does have consequences, however, as will be discussed further below.
32. - 7.