Stream Turbulence Effects on Turbulent Boundary Layer

by James M. Robertson, (F.ASCE), Prof.; Dept. of Theoretical and Appl. Mech., Univ. of Illinois at Urbana, Champaign, IL,
Charles F. Holt, Res. Assoc.; Theoretical and Appl. Mech., Univ. of Illinois at Urbana, Champaign, IL,


Serial Information: Journal of the Hydraulics Division, 1972, Vol. 98, Issue 6, Pg. 1095-1099


Document Type: Journal Paper

Abstract: Nearly all our information on turbulent boundary-layer flow is for the case of rather low levels of turbulence in the free stream outside the layer. Little is known of the effect of stream turbulence on the development of the turbulent layer and calculations are thus based on the relations established for low levels of turbulence. This technical note offers definite evidence that turbulence affects the turbulent layer and quantifies this for the flat-plate case.

Subject Headings: Turbulence | Boundary layers | Rivers and streams | Turbulent flow | Information management | Free flow | Case studies | Plates

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