Accession Number : ADP007688

Title :   Experimental Verification of a 3D Turbulent Flow Calculation in an Axial Turbine Cascade,

Corporate Author : DURHAM UNIV (UNITED KINGDOM)

Personal Author(s) : Cleak, J. G. E. ; Gregory-Smith, D. G.

Report Date : FEB 1992

Pagination or Media Count : 15

Abstract : A Navier-Stokes computer code has been used for the calculation of the three-dimensional secondary flow in a cascade of axial turbine blades. A comparison is made with experiment of the results of various applications of a mixing length model within the code. The results are compared on the basis of mean flow data and also turbulent Reynolds shear stresses. Substantial grid independence was obtained with a grid of 20,000 points; further grid refinement had a significant effect only on mids an loss.

Descriptors :   *THREE DIMENSIONAL FLOW, *TURBINE BLADES, BLADES, COMPARISON, COMPUTERS, FLOW, GRIDS, LENGTH, MEAN, MIXING, MODELS, SECONDARY, SECONDARY FLOW, SHEAR STRESSES, STRESSES, TURBINES, CASCADES(FLUID DYNAMICS), TURBULENT FLOW.

Subject Categories : Fluid Mechanics

Distribution Statement : APPROVED FOR PUBLIC RELEASE