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TECHNICAL PAPERS: Gas Turbines: Cycle Innovations

Fuzzy Approaches for Searching Optimal Component Matching Point in Gas Turbine Performance Simulation

[+] Author and Article Information
Changduk Kong, Jayoung Ki, Myoungcheol Kang

Department of Aerospace Engineering, Chosun University, #375 Seosuk-dong, Dong-gu, Kwangju 501-759, Korea

J. Eng. Gas Turbines Power 126(4), 741-747 (Nov 24, 2004) (7 pages) doi:10.1115/1.1787511 History: Received October 01, 2002; Revised March 01, 2003; Online November 24, 2004
Copyright © 2004 by ASME
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References

Sellers, J. F., and Daniele, C. J., 1975, “DYNGEN-A Program for Calculating Steady-State and Transient Performance of Turbojet and Turbofan Engines,” NASA TN D-7901.
Palmer, J. R., and Yan, C. Z., 1985, “TURBOTRANS—A Programming Language for the Performance Simulation of Arbitrary Gas Turbine Engines With Arbitrary Control Systems,” International Journal of Turbo and Jet Engines: 19–28.
Kurzke, J., 1998, “Manual GASTURB 8.0 for Windows—A Program to Calculate Design and Off-Design Performance of Gas Turbines,” technical report.
Crosa,  G. , 1998, “Heavy-Duty Gas Turbine Plant Aerothermo Dynamic Simulation Using SIMULINK,” ASME J. Turbomach., 120, pp. 550–560.
Cohen, H., Rogers, G. F. C., and Saravanamuttoo, H. I. H., 1996, Gas Turbine Theory, 4th Ed., Longman, London.
Pilidis, P., 1996, “Gas Turbine Performance,” Cranfield Short Course Note, UK.
Kong, C. D., 2000, “Propulsion System Integration of Turboprop Aircraft for Basic Trainer,” ASME Paper 00-GT-10.
Na, J. J., 1996, “A Study on PT6A-62 Engine Install Performance Analysis,” Agency of Defense Development, Technical Report.
Kong, C. D., and Ki, J. Y., 2001, “Performance Simulation of Turboprop Engine for Basic Trainer,” ASME Paper 00-GT-391.
Tsoukalas, L. H., and Uhrig, R. E., 1997, “Fuzzy and Neural Approaches in Engineering,” Wiley, New York.
Math Works, 2001, “MATLAB User Guide Ver. 6.1,” The Math Works, Inc., USA.
Math Works, 2001, Fuzzy Logic Toolbox User Guide Ver. 2.0, The Math Works, Inc.

Figures

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Station no. and layout of the study engine
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Flowchart of FORTRAN program with traditional matching scheme
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Mamdani-type fuzzy inference system
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Variation of BETA1 versus the variations of ERR1 and ERR2 by the fuzzy rule
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Flowchart of matching algorithms with fuzzy logic
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Comparison of the number of iterations to check the convergence speed at the takeoff and idle conditions
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Optimal matching point on component maps of compressor, compressor turbine and power turbine using fuzzy logic

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