A differential equation for the mean velocity at distance from the wall in a turbulent boundary layer flow is proposed and solved. It leads to a power law for followed by a rapid transition to a different power law, in agreement with the results of Barenblatt, Chorin and Prostokishin [Phys. Fluids 12, 2159 (2000)].
Topics
Turbulent flows
REFERENCES
1.
G.I.
Barenblatt
, A.J.
Chorin
, and V.M.
Prostokishin
, “A note on the intermediate region in turbulent boundary layers
,” Phys. Fluids
12
, 2159
(2000
).2.
G.I.
Barenblatt
, “Scaling laws for fully developed shear flows. Part I: Basic hypotheses and analysis
,” J. Fluid Mech.
248
, 513
(1993
).
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© 2002 American Institute of Physics.
2002
American Institute of Physics
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