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TECHNICAL PAPERS

Modeling the Air-Cooled Gas Turbine: Part 1—General Thermodynamics

[+] Author and Article Information
J. B. Young, R. C. Wilcock

Cambridge University Engineering Department, Trumpington Street, Cambridge, CB2 1PZ, United Kingdom

J. Turbomach 124(2), 207-213 (Apr 09, 2002) (7 pages) doi:10.1115/1.1415037 History: Received February 01, 2001; Online April 09, 2002
Copyright © 2002 by ASME
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References

Lakshminarayana, B., 1995, Fluid Dynamics and Heat Transfer of Turbomachinery, Wiley, New York, Chap. 7.
Day,  C. R. B., Oldfield,  M. L. G., and Lock,  G. D., 1999, “The Influence of Film Cooling on the Efficiency of an Annular Nozzle Guide Vane Cascade,” ASME J. Turbomach., 121, pp. 145–151.
MacArthur, C. D., 1999, “Advanced Aero-Engine Turbine Technologies and Their Application to Industrial Gas Turbines,” Proc. 14th Int. Symp. on Air Breathing Engines, Florence, Paper No. 99-7151.
Horlock,  J. H., Watson,  D. T., and Jones,  T. V., 2001, “Limitations on Gas Turbine Performance Imposed by Large Turbine Cooling Flows,” ASME J. Eng. Gas Turbines Power, 123, pp. 487–494.
Denton,  J. D., 1993, “Loss Mechanisms in Turbo-Machines,” ASME J. Turbomach., 115, pp. 621–656.
El-Masri,  M. A., 1985–6, “On Thermodynamics of Gas Turbine Cycles: Part I—Second Law Analysis of Combined Cycles,” Part II—A Model for Expansion in Cooled Turbines,” Part III—Thermodynamic Potential and Limitations of Cooled Reheat-Gas-Turbine Combined Cycles,” ASME J. Eng. Gas Turbines Power, 107, pp. 880–889; 108 , pp. 151–159; 108 , pp. 160–170.
El-Masri,  M. A., 1987, “Exergy Analysis of Combined Cycles: Part 1—Air-Cooled Brayton-Cycle Gas Turbines,” ASME J. Eng. Gas Turbines Power, 109, pp. 228–236.
Chiesa, P., Consonni, S., Lozza, G., and Macchi, E., 1993, “Predicting the Ultimate Performance of Advanced Power Cycles Based on Very High Temperatures,” ASME Paper No. 93-GT-223.
Facchini,  B., Fiaschi,  D., and Manfrida,  G., 2000, “Exergy Analysis of Combined Cycles Using Latest Generation Gas Turbines,” ASME J. Eng. Gas Turbines Power, 122, pp. 233–238.
Kotas, T. J., 1985, The Exergy Method of Thermal Plant Analysis, Butterworths.

Figures

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(a) Irreversible mixing with entropy creation; (b) reversible mixing with zero entropy creation
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(a) Ideal power plant with stoichiometric air supply; (b) ideal power plant with excess air supply
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(a) Ideal uncooled gas turbine; (b) ideal cooling of first stage stator; (c) ideal cooling of first stage stator and intermediate stage
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Exergy analysis of the cycles of Fig. 3
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Mixing of two streams at constant total pressure
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Power output of mixed and unmixed expansions
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Effect of coolant losses on the efficiency of a simple cycle GT
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Effect of coolant losses on the efficiency of a reheat GT
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The sensitivity of parameters in a simple cycle GT

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