Experimentally Verified Numerical Optimization of a Three-Dimensional Parametrized Turbine Vane With Nonaxisymmetric End Walls

[+] Author and Article Information
Marc G. Nagel, Ralf-D. Baier

MTU Aero Engines Aerodynamics Turbine/Compressor (TEAD), Dachauer Str. 665, 80995 München, Germany

J. Turbomach 127(2), 380-387 (May 05, 2005) (8 pages) doi:10.1115/1.1773848 History: Received December 01, 2002; Revised March 01, 2003; Online May 05, 2005
Copyright © 2005 by ASME
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Grahic Jump Location
Parameterization of aerofoil section
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Some principal radial stacking procedures
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Basic flow channel design options
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Curvature design by Bischoff 3
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Radial parameterization of two-dimensional aerofoil sections
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Axisymmetric end-wall profiling
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End-wall profiling between suction and pressure sides
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End-wall contour modulation in a rectangular domain
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Cascade T106 in HGK wind tunnel
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Loss minimized flow channel (Airfoil: T106Dopt)
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Instrumentation planes, pressure taps
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Comparison of profile pressure distributions numerical/experimental in four measurement planes
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Radial distribution of the outflow angle in circumferential direction (106D: initial; 106Dopt: optimized)
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Radial loss distribution (106D: initial; 106Dopt: optimized)
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Comparison of experimental and numerical distribution of total pressure loss at x/lax=1.5




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