Calculations of Two and Three-Dimensional Transonic Cascade Flow Fields Using the Navier-Stokes Equations

[+] Author and Article Information
B. C. Weinberg, R.-J. Yang, H. McDonald, S. J. Shamroth

Scientific Research Associates, Inc., Glastonbury, CT 06033

J. Eng. Gas Turbines Power 108(1), 93-102 (Jan 01, 1986) (10 pages) doi:10.1115/1.3239891 History: Received December 21, 1984; Online October 15, 2009


The multidimensional, ensemble-averaged, compressible, time-dependent Navier-Stokes equations have been used to study the turbulent flow field in two and three-dimensional turbine cascades. The viscous regions of the flow were resolved and no-slip boundary conditions were utilized on solid surfaces. The calculations were performed in a constructive ‘O’-type grid which allows representation of the blade rounded trailing edge. Converged solutions were obtained in relatively few time steps (∼ 80–150) and comparisons for both surface pressure and heat transfer showed good agreement with data. The three-dimensional turbine cascade calculation showed many of the expected flow-field features.

Copyright © 1986 by ASME
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