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Velocity defect of axisymmetric wakes

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b :

half-wake radius

D :

velocity defect, Eq. (2)

r :

radial coordinate

u :


u c :

centerline velocity

u a :

velocity adjacent to wake region

x :

wake distance normalized with diameter


dimensionless boundary layer momentum thickness of Porteiro et al. (1984)

F :

dimensionless mass bleed to base of Porteiro et al. (1984)


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  2. Lessen, M.; Singh, P. J. 1973: The stability of axisymmetric free shear layers. J. Fluid Mech. 60, 433–457

  3. Page, R. H.; Ostowari, C. 1988: Turbulent near wake of a symmetrical body. AIAA J. 26, 115–116

  4. Peterson, L. F.; Hama, F. R. 1978: Instability and transition of the axisymmetric wake of a slender body of revolution. J. Fluid Mech. 88, 71–96

  5. Porteiro, J. L. F.; Przirembel, C. E. G.; Page, R. H. 1984: Near wake velocity profiles. ASME Pap. 84-FE-6

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  7. Sato, H.; Okado, O. 1966: The stability and transition of an axisymmetric wake. J. Fluid Mech. 26, 237–275

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Ostowari, C., Page, R.H. Velocity defect of axisymmetric wakes. Experiments in Fluids 7, 284–285 (1989).

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  • Velocity Defect
  • Axisymmetric Wake