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TECHNICAL PAPERS

Some Aspects of Modeling Compressor Behavior in Gas Turbine Performance Calculations

[+] Author and Article Information
Claus Riegler, Michael Bauer, Joachim Kurzke

Engine Performance Department, MTU München GmbH, DaimlerChrysler Aerospace, 80995 München, Germany

J. Turbomach 123(2), 372-378 (Feb 01, 2000) (7 pages) doi:10.1115/1.1368123 History: Received February 01, 2000
Copyright © 2001 by ASME
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References

Walsh, P. P., and Fletcher, P., 1998, Gas Turbine Performance, Blackwell Science.
Kurzke, J., 1996, “How to Get Component Maps for Aircraft Gas Turbine Performance Calculations,” ASME Paper No. 96-GT-164.
AGARD-PEP WG 24, editor, 1995, Recommended Practices for the Assessment of the Effects of Atmospheric Water Ingestion on the Performance and Operability of Gas Turbine Engines, AGARD-AR-332.
Braig, W., and Riegler, C., 1994, “Berücksichtigung des Einflusses des Isentropenexponenten auf die Kennfelder von Turbinen,” Forschung im Ingenieurwesen.
Kurzke, J., 1992, “Calculation of Installation Effects Within Performance Computer Programs,” in: AGARD-LS-183, pages 7.1–7.19.
Anderson, B. A., Messih, D., and Plybon, R. C., 1997, “Engine-Out Performance Characteristics,” in: ISABE 97-7216.
Therkorn,  D., and Braig,  W., 1994, “Turbinenkennfelderstellung für kleine Arbeiten und Drehzahlen,” Z. Flugwiss. Weltraumforsch., 18, No. 2, pp. 140–144.
Kurzke, J., 1999, “Smooth C 7.0: Preparing Compressor Maps for Performance Calculations,” User’s Manual.
Tzannatos,  E., and Elder,  R. L., 1993, “The Stability of Split Flow Fans,” Int. Journal of Turbo and Jet Engines, 10, pp. 235–251.

Figures

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Extrapolated 30 percent speed lines and measured data
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Fans with splitter downstream and typical split stream lines
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Stream lines, pressure and temperature profiles in a fan with splitter far downstream the last stator row
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Mean fan characteristic for various corrected speeds and μ−μnom=0, 0.2 and 0.4
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Correcting algorithm for pressure ratio
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Comparison of corrected and measured map parameter values

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