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TECHNICAL PAPERS: Gas Turbines: Industrial and Cogeneration

Thermoeconomic Analysis of an Intercooled, Reheat, and Recuperated Gas Turbine for Cogeneration Applications—Part II: Part-Load Operation

[+] Author and Article Information
R. Bhargava

Universal Ensco, Inc., 1811 Bering Drive, Houston, TX 77057

G. Negri di Montenegro, A. Peretto

DIEM–University of Bologna, Viale Risorgimento 2, Bologna 40136, Italy

J. Eng. Gas Turbines Power 124(4), 892-903 (Sep 24, 2002) (12 pages) doi:10.1115/1.1477195 History: Received December 01, 2000; Revised March 01, 2001; Online September 24, 2002
Copyright © 2002 by ASME
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References

Figures

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Δηelel0 versus ΔPel/Pel0 for high-size cogeneration plant
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Δq1/q10 versus ΔPel/Pel0 for high-size cogeneration plant
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Modifications to ICRH cycle due to part-load operation
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ΔESI/ESI0 versus ΔPel/Pel0 for high-size cogeneration plant
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Pel/Qth versus ΔPel/Pel0 for high-size cogeneration plant
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Δηthth0 versus ΔPel/Pel0 for high-size cogeneration plant
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Δms/ms0 versus ΔPel/Pel0 for high-size cogeneration plant
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Δηelel0 versus ΔPel/Pel0 for medium-size cogeneration plant
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ΔESI/ESI0 versus ΔPel/Pel0 for low-size cogeneration plant
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Δms/ms0 versus ΔPel/Pel0 for medium-size cogeneration plant
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Pel/Qth versus ΔPel/Pel0 for medium-size cogeneration plant
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Pel/Qth versus ΔPel/Pel0 for low-size cogeneration plant
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Four different scenarios assumed for the plants working in off-design condition
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DCRR versus electric sale price for high-size cogeneration plant (scenario 1)
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DCRR versus steam sale price for high-size cogeneration plant (scenario 1)
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DCRR versus fuel cost for medium size cogeneration plant (scenario 1)
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Schematic layout of the recuperated ICRH gas turbine in cogenerative application (dotted lines represent GT cooling flow streams)
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DCRR versus fuel cost for high-size cogeneration plant (scenario 4)
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DCRR versus fuel cost for low-size cogeneration plant (scenario 1)
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Δw/w0 versus ΔPel/Pel0 for high-size cogeneration plant
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DCRR versus electric sale price for medium-size cogeneration plant (scenario 4)
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DCRR versus fuel cost for low-size cogeneration plant (Scenario 4)
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DCRR versus fuel cost for medium-size cogeneration plant (scenario 2)
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DCRR versus fuel cost for medium-size cogeneration plant (scenario 3)
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DCRR versus fuel cost for medium-size cogeneration plant (scenario 4)

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