Abstract
Since Strouhal demonstrated, one century ago, that circular cylinders gave rise to vortices shedding, with a dimensionless frequency S = FSod/V∞ of constant value over a wide range of conditions, a lot of work relative to aerodynamics of bluff bodies has been done. The main results concerning cylinders in cross-flow are described in detail in the reviews by Morkovin(1).
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Abbreviations
- A=\(= \frac{\Delta }{{2\pi f}} \) :
-
amplitude of longitudinal oscillating cylinders
- CD :
-
drag coefficient
- CL :
-
lift coefficient
- d:
-
diameter fo the cylinder
- F:
-
frequency of flow oscillation
- FE :
-
frequency of stongest peak in power spectra
- FS :
-
frequency of vortex shedding
- FSo :
-
frequency of natural vortex shedding
- Re:
-
Reynolds number:\(\frac{{{{V}_{\infty }}.d}}{v}\)
- S:
-
Strouhal number:\(\frac{{{{F}_{S}}.d}}{{{{V}_{\infty }}}}\)
- T:
-
period of the oscillating flow
- TS :
-
period of vortex shedding
- t:
-
time
- V∞ :
-
velocity of indident flow
- ΔV:
-
amplitude of velocity fluctuations
- Vn :
-
mean velocity
- θ:
-
angular position on the cylinder
- λ:
-
\(= \frac{{\Delta V}}{{{{V}_{\infty }}}}\)reduced amplitude.
References
Morkovin, M.V.,“Flow around a circular cylinder”, A.S.M.E. Symposium on fully Separated Flows, May 1954, pp. 102–118.
Berger, E. and Willie, R.,“Periodic flow phenomena”, Annual Review of Fluid Mechanics, Vol. 14, 1972, pp. 313–340.
Mc Croskey, W.J., “Some current research in unsteady fluid dynamics”. The 1976 Freeman Scholar lecture - Journal of Fluid Engineering, March 1977, Vol.99.
Tanida, Y., Okajima, A. and Watanabe, Y., “Stability of acircular cylinder oscillating in uniform flow or in a wake” J. Fluid Mech. (1973), Vol.61, part 4, pp. 769–784.
Hatfield, H.M. and Morkovin, M.V., “Effect of an oscillating free stream on the unsteady pressure on a circular cylinder”. J. of Fluid Engineering, June 1973, pp. 249–254.
Valensi, J., Rebont, J., “Efforts aérodynamiques sur un profil d’aile animé d’un mouvement harmonique parallèle à 1’ écoulement”.In Proc. AGARD-FDP Meeting Aerody. Rotary Wing- Marseille, 1972.
Stansby, P.K., “The locking-on of vortex shedding due to cross - stream vibration of circular cylinders in uniform and shear flows”. J. of Fluid Mechanics, Vol.74, Pt. 4, 1976, pp. 641–665.
Griffin, O.M. and Ramberg, S.E., “Vortex shedding from acylinder vibrating in line with an incident uniform flow”. J. Fluid Mechanics (1976, Pt. 2, pp. 257–271 ).
Dwyer, H.A. and Mc Croskey, W.J., “Oscillating flow over a cylinder at large Reynolds number”. J. Fluid Mechanics (1973), Vol.61, Pt. 4, pp. 753–767.
Achenbach, E., “Distribution of local pressure and skin friction around a circular cylinder in cross-flow up to Re = 5 x lO6”. J. Fluid Mechanics (1968), Vol.34, Pt. 4, pp. 625–639.
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© 1981 Springer-Verlag, Berlin, Heidelberg
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Barbi, C., Favier, D., Maresca, C. (1981). Vortex Shedding from a Circular Cylinder in Oscillatory Flow. In: Michel, R., Cousteix, J., Houdeville, R. (eds) Unsteady Turbulent Shear Flows. International Union of Theoretical and Applied Mechanics. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-81732-8_20
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DOI: https://doi.org/10.1007/978-3-642-81732-8_20
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