AN ANALYTICAL TREATMENT OF THE FLOW THROUGH AN ANNULAR CHANNEL

In this paper, the work reported at Hydrotransport 2, has been extended to give the eddy distribution and the turning points of this distribution for the flow of a fluid through an annulus. The analysis leads to the proposal of a universal function, K(r), in place of the universal constant K = 0.4, due to Von Karman, for the determination of the mixing length and hence the eddy viscosity. The analysis is further extended to include, the variation of the velocity ratio (Uav/Umax), with radius and the Reynolds number, and this analysis is shown to be in close agreement with the experimental data of several workers. The analysis, also indicates that for fully developed turbulent flow in a smooth annulus, the radius of maximum velocity and the radius of the zero shear stress are coincident.

  • Supplemental Notes:
    • Presented at HYDROTRANSPORT 3--Third International Conference on the Hydraulic Transport of Solids in Pipes, Colorado School of Mines, Golden, Colo., May 15-17, 1974. Sponsored by BHRA Fluid Engineering. Complete set of Conference papers available for $45.00.
  • Corporate Authors:

    Colorado School of Mines

    1500 Illinois Street
    Golden, CO  USA  80401
  • Authors:
    • Duckworth, R A
    • Singh, G
  • Publication Date: 1974-5

Media Info

  • Pagination: 16 p.

Subject/Index Terms

Filing Info

  • Accession Number: 00056475
  • Record Type: Publication
  • Source Agency: British Hydrodynamics Research Association
  • Report/Paper Numbers: Paper G2
  • Files: TRIS
  • Created Date: Jul 15 1974 12:00AM