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- Title
The Taylor-Proudman column in a rapidly-rotating compressible fluid I. energy transports.
- Authors
Park, Jun
- Abstract
A theoretical study is made of the steady flow of a compressible fluid in a rapidly rotating finite cylinder. Flow is generated by imposing mechanical and/or thermal disturbances at the rotating endwall disks. Both the Ekman and Rossby numbers are small. An examination is made of the energy budget for a control volume in the Ekman boundary layer. A combination of physical variables, which is termed the energy flux content, consisting of temperature and modified angular momentum, emerges to be relevant. The distinguishing features of a compressible fluid, in contrast to those of an incompressible fluid, are noted. A plausible argument is given to explain the difficulty in achieving the Taylor-Proudman column in a compressible rotating fluid. For the Taylor-Proudman column to be sustained, in the interior, it is shown that the net energy transport between the solid disk wall and the interior fluid should vanish. Physical rationalizations are facilitated by resorting to the concept of the afore-stated energy flux content.
- Subjects
FLUID mechanics; EKMAN number; VISCOSITY; ENGINE cylinders; TAYLOR-Proudman theorem; EQUATIONS in fluid mechanics
- Publication
Journal of Mechanical Science & Technology, 2014, Vol 28, Issue 10, p4091
- ISSN
1738-494X
- Publication type
Article
- DOI
10.1007/s12206-014-0922-8