Accession Number : ADP009037

Title :   Turbulent Velocity Profile LDA Measurements in Pipe Flow of a Non-Newtonian Slurry with a Yield Stress,

Corporate Author : SOUTHWEST RESEARCH INST SAN ANTONIO TX

Personal Author(s) : Park, J. T. ; Grimley, T. A. ; Mannheimer, R. J.

Report Date : 23 JUL 1992

Pagination or Media Count : 7

Abstract : Velocity measurements by laser Doppler anemometry for fully-developed turbulent flow of a transparent non-Newtonian slurry are described. The slurry was measured to be a yield-power-law (Herschel-Buckley) fluid by a concentric-cylinder (Couette) viscometer. Flow measurements were performed in a 52-mm diameter pipe flow facility. Results are presented for profiles of the four unique Reynolds stress terms for fully-developed turbulent pipe flow. The mean axial velocity profile in law-of-the-wall coordinates is in good agreement with a turbulent pipe flow theory for a Herschel-Buckley fluid. (Author)

Descriptors :   *TURBULENT FLOW, *SLURRIES, *FLOW FIELDS, LASER ANEMOMETERS, PIPE FLOW, VELOCITY, SHEAR STRESSES, VISCOSITY, BOUNDARY LAYER, REYNOLDS NUMBER, TRANSPARENCE, STRESS ANALYSIS, EXPERIMENTAL DATA, COMPARISON, FIBER OPTICS, HIGH RESOLUTION, OPTICAL IMAGES, COMPUTATIONAL FLUID DYNAMICS.

Subject Categories : Fluid Mechanics
      Fiber Optics and Integrated Optics

Distribution Statement : APPROVED FOR PUBLIC RELEASE