A nondimensional number that is constant in two-dimensional, incompressible and constant pressure laminar and fully turbulent boundary layer flows has been proposed. An extension of this to constant pressure transitional flow is discussed.

1.
White, F. M., 1974, Viscous Fluid Flow, McGraw-Hill, New York.
2.
Coles, D. E., and Hirst, E. A., 1968, Proc. Computation of Turbulent Boundary Layers-1968, AFOSR-IFP-Stanford Confc., Vol. II.
3.
Purtell
,
L. P.
, and
Klebanoff
,
P. S.
,
1981
, “
Turbulent Boundary Layer at Low Reynolds Number
,”
Phys. Fluids
,
24
(
5
), pp.
802
811
.
4.
Abu-Ghannam
,
B. J.
, and
Shaw
,
R.
,
1980
, “
Natural Transition of Boundary Layers—The Effects of Turbulence, Pressure Gradient and Flow History
,”
J. Mech. Eng. Sci.
,
22
(
5
), pp.
213
228
.
5.
Narasimha
,
R.
,
1957
, “
On the Distribution of Intermittency in the Transition Region of a Boundary Layer
,”
J. Aeronaut. Sci.
,
14
, pp.
711
712
.
6.
Schubauer, G. B., and Klebanoff, P. S., 1955, “Contributions on the Mechanics of Boundary Layer Transition,” NACA TN 3489.
7.
Dey
,
J.
, and
Narasimha
,
R.
,
1990
, “
Integral Method for the Calculation of Incompressible Two-Dimensional Transitional Boundary Layers
,”
J. Aircr.
,
27
(
10
), pp.
859
865
.
8.
Sohn, K. H., and Reshotko, E., 1989, “Some Characteristics of Bypass Transition in a Heated Boundary Layer,” NASA TM-102126.
9.
Kim, J., 1990, “Free-stream Turbulence and Concave Curvature Effects on Heated Transitional Boundary Layers,” Ph.D. thesis, Dept. Mechanical Eng., University of Minnesota.
10.
Volino, R. J., and Simon, T. W., 1991, “Bypass Transition in Boundary Layers Including Curvature and Favorable Pressure Gradient Effects,” NASA CR 187187.
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