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RESEARCH PAPERS

Study of Mean- and Turbulent-Velocity Fields in a Large-Scale Turbine-Vane Passage

[+] Author and Article Information
D. A. Bailey

United Technologies Research Center, East Hartford, Conn.

J. Eng. Power 102(1), 88-95 (Jan 01, 1980) (8 pages) doi:10.1115/1.3230239 History: Received December 08, 1978; Online September 28, 2009

Abstract

Laser-Doppler velocimetry was used to investigate the secondary flow in the endwall region of a large-scale turbine inlet-guide-vane passage. The mean and turbulent velocities were measured for three different test conditions. The different test conditions consisted of variations in the blade aspect ratio and the inlet boundary-layer thickness or all three cases, a passage vortex was identified and its development documented. The turbulent stresses within the vortex were found to be quite low in comparison with the turbulence in the inlet boundary layer.

Copyright © 1980 by ASME
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