FREE-STREAM TURBULENCE EFFECTS ON CONVEXLY CURVED TURBULENT BOUNDARY LAYERS.

S. M. You, Terrence W Simon, J. Kim

Research output: Contribution to journalConference articlepeer-review

2 Scopus citations

Abstract

Free-stream turbulence intensity effects on the convex-curved turbulent boundary layer are investigated. An attached fully turbulent boundary layer, grown on a flat plate, is introduced to a convex wall of constant radius of curvature. Two cases with free-stream turbulence intensities of 1. 85% and 0. 65%, taken in the same facility with moderate curvature, delta /R equals 0. 03-0. 045, are compared. The two cases have similar flow conditions upon entry to the curve, thus separating free-stream turbulence effects within the curve from the other effects. The higher turbulence case shows stronger curvature effects on C//f/2 and on streamwise normal and shear stress profiles than those observed in the lower turbulence case.

Original languageEnglish (US)
JournalAmerican Society of Mechanical Engineers (Paper)
StatePublished - Dec 1 1986

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