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TECHNICAL BRIEFS

On Preferred Perturbations Selected by Centrifugal Instability

[+] Author and Article Information
Oleg A. Likhachev

The University of Arizona, Department of Aerospace and Mechanical Engineering, 1130 N. Mountain, P. O. Box 210119, Tucson, AZ 85721-0119e-mail: oleg@u.arizona.edu

J. Fluids Eng 123(3), 702-705 (Mar 27, 2001) (4 pages) doi:10.1115/1.1378024 History: Received October 05, 2000; Revised March 27, 2001
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References

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Tani,  I., 1962, “Production of Longitudinal Vortices in the Boundary Layer Along a Concave Wall,” J. Geophys. Res., 67, pp. 3075–3081.
Winoto,  S. H., and Crane,  R. I., 1980, “Vortex Structure in Laminar Boundary Layers on a Concave Wall,” Int. J. Heat Fluid Flow, 2, pp. 221–231.
Crane, R. I., and Sabzvari, J., 1984, “Laser-Doppler Measurements of Gortler Vortices in Laminar and Low-Reynolds-Number-Turbulent Boundary Layers,” 1st Int. Symp. on Applications of Laser-Doppler Anemometry to Fluid Mechanics, Lisbon; also, 1984, Laser Anemometry in Fluid Mechanics, R. J. Adrian et al., eds., Lladoan-Inst. Sup. Tec., Lisbon, pp. 19–35.

Figures

Grahic Jump Location
Neutral stability curves obtained from the Gortler model, ----, and in the present study, —. Experimental points due to Tani 13: ○, +, ▾, ▪, ▵; Winoto and Crane 14: □; Crane and Sabzvari 15: ▿; Finnis and Brown 10: ×, •. The dotted line represents a function Go∼β3/2 corresponding to a constant dimensional wavenumber.
Grahic Jump Location
Nonlinear correction to the amplification rate for β=0.4 and Go=8.282

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