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TECHNICAL PAPERS

1999 Turbomachinery Committee Best Paper Award: Development of Advanced Compressor Airfoils for Heavy-Duty Gas Turbines— Part I: Design and Optimization

[+] Author and Article Information
Ulf Köller, Reinhard Mönig

Siemens AG, Power Generation (KWU) D-45466 Mülheim a. d. Ruhr, Germany

Bernhard Küsters, Heinz-Adolf Schreiber

German Aerospace Center, Institute of Propulsion Technology, D-51170 Köln, Germany

J. Turbomach 122(3), 397-405 (Feb 01, 1999) (9 pages) doi:10.1115/1.1302296 History: Received February 01, 1999
Copyright © 2000 by ASME
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References

Figures

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Influence of Re and Tu on transition onset
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Influence of Re and Tu on optimized profile geometry
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Aerodynamic and geometric cascade parameters
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Design parameters for airfoil generation
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Reproduction of three compressor profiles
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Computational grid for subsonic compressor airfoil
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MISES and experimental Mach number distribution
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Flowchart of optimization algorithm
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Elements for objective function definition
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Geometry of starting and optimized profiles
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Mach number distributions and boundary layer parameters for starting and optimized profiles
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Total pressure losses of starting and optimized profiles
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Geometry of CDA and new airfoils
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Design Mach number distributions of CDA and new airfoils
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Total pressure losses of CDA and new airfoils
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Off-design Mach number distribution of CDA and new airfoils

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