Accession Number : AD0680973
Title : WALL SHEAR STRESS DIAGNOSTICS IN THREE-DIMENSIONAL TURBULENT BOUNDARY LAYERS.
Descriptive Note : Interim technical rept. no. 2,
Corporate Author : VIRGINIA POLYTECHNIC INST BLACKSBURG DEPT OF MECHANICAL ENGINEERING
Personal Author(s) : Pierce,F. J. ; Krommenhoek,D. H.
Report Date : SEP 1968
Pagination or Media Count : 78
Abstract : Several of the more common means of inferring local wall shear values in two-dimensional turbulent boundary layer flows are reviewed and the suitability of these means for use in three-dimensional turbulent flows is discussed. A simple, floating element, direct force sensing device, corrected for pressure gradient effects, was used to measure the local wall shear stress in a strongly skewed, low-speed, incompressible three-dimensional turbulent boundary layer flow. These pressures corrected, direct force measurements are compared to wall shear stress values inferred by variations or adaptations of the two-dimensional techniques and/or devices reviewed. (Author)
Descriptors : (*TURBULENT BOUNDARY LAYER, *SHEAR STRESSES), THREE DIMENSIONAL FLOW, SKIN FRICTION, BOUNDARY LAYER, WALLS, INCOMPRESSIBLE FLOW, PRESSURE GAGES
Subject Categories : Aerodynamics
Distribution Statement : APPROVED FOR PUBLIC RELEASE