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TECHNICAL PAPERS: Gas Turbines: Industrial and Cogeneration

Parametric Analysis of Combined Cycles Equipped With Inlet Fogging

[+] Author and Article Information
R. Bhargava

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

M. Bianchi, F. Melino, A. Peretto

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

J. Eng. Gas Turbines Power 128(2), 326-335 (Apr 03, 2006) (10 pages) doi:10.1115/1.1765122 History: Received October 01, 2002; Revised March 01, 2003; Online April 03, 2006
Copyright © 2006 by ASME
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References

Figures

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Temperature-entropy diagram for overspray compression process considering different droplet diameters
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LHV electric efficiency versus electric power size for combined cycle systems 6
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LHV electric efficiency versus gas turbine exhaust gas temperature for combined cycle systems 6
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A schematic showing nomenclatures at the compressor inlet with fogging
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Psychrometric chart (@p=1.01325 bar)
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A typical compressor performance map
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Air temperature and evaporated water mass through compressor
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Temperature-entropy diagram for a compression process in presence of overspray fogging
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Percent power output change of CCPPs @ generator (reference case—HDC)
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Percent power output change of gas turbines @ generator (reference case—HDC)
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Percent power output change of steam turbines @ generator (reference case—HDC)
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Percent air mass flow rate change of gas turbines (reference case—HDC)
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A comparative change in gas turbine outlet temperature, TOT [°C] (reference case—HDC)
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Percetange points change of LHV CCPP efficiency (reference case—HDC)
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Injected water consumption per unit percent net CCPP output change [(liters/hr)/% power boost] (reference case—HDC)
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Incremental efficiency for CCPP due to fogging (reference case—HDC)

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