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TECHNICAL PAPERS: Gas Turbines: Cycle Innovations

A Study of Humidified Gas Turbines for Short-Term Realization in Midsized Power Generation—Part II: Intercooled Cycle Analysis and Final Economic Evaluation

[+] Author and Article Information
Michael A. Bartlett, Mats O. Westermark

Department of Chemical and Technology/Energy Processes, The Royal Institute of Technology, SE-100 44 Stockholm, Sweden

J. Eng. Gas Turbines Power 127(1), 100-108 (Feb 09, 2005) (9 pages) doi:10.1115/1.1788684 History: Received October 01, 2002; Revised March 01, 2003; Online February 09, 2005
Copyright © 2004 by ASME
Topics: Cycles , Gas turbines
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References

Rao, A. D., and Joiner, J. R., 1990, “A Technical and Economic Evaluation of the Humid Air Turbine Cycle,” Proc. 7th Annual International Pittsburgh Coal Conference, September 10–14.
Ågren, N. D., 2000, “Advanced Gas Turbine Cycles With Water-Air Mixtures as Working Fluid,” Ph.D. Thesis, Royal Institute of Technology, Dept of Chemical Engineering/Energy Processes, Stockholm, Sweden. ISSN 1104-3266 ISRN KTH/KET/R-120-SE.
Lindquist, T., 2002, “Evaluation, Experience and Potential of Gas Turbine Based Cycles With Humidification,” Ph.D. Thesis, Lund University, Dept. of Heat and Power Engineering, Lund, Sweden. ISBN 91-628-5330-9.
Rydstrand, M., Westermark, M., and Bartlett, M., 2002, “An Analysis of the Efficiency and Economy of Humidified Gas Turbines in District Heating Applications”, Proc. ECOS 2002, Vol. II, pp. 695–703.
Poggio, A., and Strasser, A., 1996, “CHENG Cycle Cogeneration System Application and Experience of Exhaust Gas Condensing,” Proc. POWERGEN ’96, June 26–28, Budapest.
Nilsson, P. A., ed., 1996, “EvGT—Evaporative Gas Turbine—Block 3”, Technical report, Lund Institute of Technology, Dept. of Heat and Power Technology, Lund, Sweden.
Kellerer, A., and Spangenberg, C., 1998, “Operating Experience With a Cheng-Cycle Unit,” VGB PowerTech, November 1998, pp. 16–22.
Westermark, M., 1996, “Method and Device for Generation of Mechanical Work and, if Desired, Heat in an Evaporative Gas Turbine Process,” International Patent Application No. PCT/SE96/00936.
Dalili, F., and Westermark, M., 2002, “Experimental Study on a Packed Bed Humidifier in an Evaporative Gas Turbine,” ASME Paper No. IJPGC2002-26106.
Coulson, J. M., and Richardson, J. F., 1996, An Introduction to Chemical Engineering Design, Vol. 6 of Chemical Engineering, Butterworth-Heinemann, Stoneham, MA.
Wahlberg, P.-E., 2001, “Design and Comparison Between a Finned Tubed Humidifier and a Packed-Bed Humidifier Concerning Performance and Costs,” Masters Thesis, Royal Institute of Technology, Dept. of Chemical Engineering and Technology/Energy Processes, Stockholm, SE-10044, Sweden.
Hewitt, G. F., Shires, G. L., and Bott, T. R., 1994, Process Heat Transfer, CRC Press, Boca Raton, FL, pp. 220–229.
Cataldi, G., 2001, “Dry Air-Cooling for Water Recovery in Humidified Gas Turbine Cycles,” Masters thesis, Royal Institute of Technology, Department of Chemical Engineering and Technology/Energy Processes, Stockholm, SE-10044, Sweden.
Nilsson, K.-J., ALSTOM Power AB, Sweden.
Ågren, N. D., Westermark, M. O., Bartlett, M. A., and Lindquist, T., 2000, “First Experiments on an Evaporative Gas Turbine Pilot Plant—Water Circuit Chemistry and Humidification Evaluation,” ASME Paper No. 2000-GT-168.
dePaepe,  M., and Dick,  E., 1999, “Water Recovery in Steam-Injected Gas Turbines: A Technological and Economical Analysis,” European J. Mech. Environ. Eng.,44, pp. 195–204.
Bartlett, M., and Westermark, M., 2001, “Experimental Evaluation of Air Filters and Metal Ion Migration in Evaporative Gas Turbines,” ASME Paper No. JPGC2001/PWR-19119.
Bartlett,  M. A., and Westermark,  M. O., 2004, “A Study of Humidified Gas Turbines for Short-Term Realization in Midsized Power Generation—Part I: Nonintercooled Cycle Analysis,” J. Eng. Gas Turbines Power,127, pp. 91–99.

Figures

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Cycle layout of the intercooled HGT cycles to be studied
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FEvGT-IC and PEvGT-IC intercooling layout
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Composite curves of the intercooled HGT cycles
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Performance map of the intercooled HGT cycles
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Performance map of the intercooled PEvGT cycle with varying working pressures and part-flow ratios (constant firing temperature of 1350°C)
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Conventional STIG cycle flow sheet as used for dimensioning and costing
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Spray-intercooled, steam-cooled STIG cycle flow sheet as used for dimensioning and costing
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PEvGT-IC cycle flow sheet as used for dimensioning and costing
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FEvGT-IC cycle flow sheet as used for dimensioning and costing

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