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Secondary-Flow Phenomena in Stator and Rotor-Blade Rows and Their Effect on Turbine Performance FREE

[+] Author Affiliations
Harold E. Rohlik, Milton G. Kofskey

National Aeronautics and Space Administration, Lewis Research Center, Cleveland, OH

Paper No. 63-AHGT-72, pp. V001T01A021; 14 pages
doi:10.1115/63-AHGT-72
From:
  • ASME 1963 Aviation and Space, Hydraulic, and Gas Turbine Conference and Products Show
  • ASME 1963 Aviation and Space, Hydraulic, and Gas Turbine Conference and Products Show
  • Los Angeles, California, USA, March 3–7, 1963
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7992-4
  • Copyright © 1963 by ASME

abstract

Investigations made at the NACA Lewis Flight Propulsion Laboratory (now the NASA Lewis Research Center) on secondary-flow phenomena in stator and rotor-blade rows are interpreted, with the aid of low-speed flow visualization experiments, in order to establish sources and patterns of secondary flows there. Two stator configurations were designed to modify the stator-exit loss patterns and were investigated in conjunction with a transonic rotor to determine the effect on overall turbine performance of either reducing or eliminating stator-blade wakes and secondary-flow loss accumulations.

Copyright © 1963 by ASME
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