Accession Number : ADP008901

Title :   LDA Measurements in Low Reynolds Number Turbulent Boundary Layer,

Corporate Author : NEWCASTLE UNIV (AUSTRALIA) DEPT OF MECHANICAL ENGINEERING

Personal Author(s) : Djenidi, L. ; Antonia, R. A.

Report Date : 23 JUL 1992

Pagination or Media Count : 4

Abstract : LDA measurements of the mean velocity (u) in a low Reynolds number turbulent boundary layer allow a direct estimate of the friction velocity U, from the value of del(U)/del y at the wall. The measured Reynolds number dependence of U+=U/U as reflected by the product U(+)del U(+)/del y(+), is in reasonable agreement with the direct numerical simulations of Spalart (1988). (Author)

Descriptors :   *LASER VELOCIMETERS, *TURBULENT BOUNDARY LAYER, REYNOLDS NUMBER, SHEAR STRESSES, DOPPLER EFFECT, ARGON LASERS, NEAR FIELD, AUSTRALIA.

Subject Categories : Plasma Physics and Magnetohydrodynamics
      Test Facilities, Equipment and Methods
      Infrared Detection and Detectors
      Lasers and Masers

Distribution Statement : APPROVED FOR PUBLIC RELEASE