A new evaporative cycle layout is disclosed that is shown to have a performance similar to the HAT cycle, but where the saturation tower has been eliminated. This new cycle is a result of a combined exergetic and composite curve analysis discussed in a previous paper, assuming one intercooler and no reheat (De Ruyck et al., 1995). The new cycle uses two-phase flow heat exchange in the misty regime, which is a well-known process. Existing aeroderivative gas turbine equipment can be adapted for application of this cycle, which therefore needs a minimum of development.
Issue Section:
Gas Turbines: Cycle Innovations
1.
Basil, O. M., 1991, European patent No. 0 444 913 A1
2.
Bram, S., and De Ruyck, J., 1995, “Exergy Analysis Tools for Aspen Applied to Evaporative Cycle Design,” ECOS 96.
3.
Chiesa
P.
Lozza
G.
Macchi
E.
Consonni
S.
1995
, “An Assessment of the Thermodynamic Performance of Mixed Gas–Steam Cycles: Part B: Water-Injected and HAT Cycles
,” ASME JOURNAL OF ENGINEERING FOR GAS TURBINES AND POWER
, Vol. 117
, pp. 499
–508
.4.
Cook, T. C., and Rao, A. D., 1991, “HAT Cycle Simplifies Coal Gasification Power,” Modern Power Systems, May, p. 19.
5.
Day, W. H., and Rao, A. D., 1993, “FT4000 HAT With Natural Gas Fuel,” Turbomachinery Int., Jan.–Feb. pp. 22–29.
6.
De Ruyck, J., Bram, S., and Allard, G., 1995, “Humid Air Cycle Development Based on Exergy Analysis and Composite Curve Theory,” ASME Paper No. 95-CTP-039.
7.
Drnevick, R. F., 1992, European patent No. 0 546 501 A2.
8.
El Masri, M. A., 1988a, “A Flexible, Efficiency Gas-Turbine Cogeneration Cycle With Novel Dual-Mode Heat Recovery System,” ASME COGEN II Proc.
9.
El Masri
M. A.
1988
b, “A Modified, High-Efficiency, Recuperated Gas Turbine Cycle
,” ASME JOURNAL OF ENGINEERING FOR GAS TURBINES AND POWER
, Vol. 110
, pp. 233
–242
.10.
Frutschi, H. U., and Plancherel, A., 1989, “Comparison of Combined Cycles With Steam Injection and Evaporation Cycles,” ASME COGEN II Proc.
11.
Linnhoff, B., Townsend, D. W., Boland, D., Hewitt, G. F., Thomas, B. E. A., Guy, A. R., and Marsland, R. H., 1982, A User Guide on Process Integration for the Efficient Use of Energy, The institute of chemical engineers, Rugby, Warks, England, ISBN 0 85295 156 6.
12.
Macchi
E.
Consonni
S.
Lozza
G.
Chiesa
P.
1995
, “An Assessment of the Thermodynamic Performance of Mixed Gas–Steam Cycles: Part A: Intercooled and Steam-Injected Cycles
,” ASME JOURNAL OF ENGINEERING FOR GAS TURBINES AND POWER
, Vol. 117
, pp. 489
–498
.13.
Mathisson, J. H., 1994, “Combined Gas and Steam Cycles—a Thermodynamic Analysis at Full Load and Part Load,” rapport ISRN LUTMDN/TMVK-7015-SE, Dept. of Heat and Power Engineering, Lund Institute of Technology, Lund, Sweden.
14.
Nakamura, H., Takahashi, T., Yamamoto, K., Sayama, N., and Nazaraki, N., 1983, European patent No. 0 081 995 A2.
15.
Nakhamkin, M., Wilson, J. M., and Polsky, M., 1995, “The Cascaded Humidified Advanced Turbine,” ASME Paper No. 95-CTP-5.
16.
Nguyen
H. B.
den Otter
A.
1994
, “Development of Gas Turbine Steam Injection Water Recovery (SIWR) System
,” ASME JOURNAL OF ENGINEERING FOR GAS TURBINES AND POWER
, Vol. 116
, pp. 68
–74
.17.
Rao, A. D., Francuz, V. J., Shen, J. C., and West, E. W., 1991, “A Comparison of Humid Air Turbine (HAT) Cycle and Combined-Cycle Power Plants,” EPRI IE-7300, Project 2999-7, Final Report.
18.
Rose´n, P. M., 1993, “Evaporative Gas Turbine Cycles—a Thermodynamic Evaluation of Their Potential,” Dept. of Heat and Power Engineering, Lund Institute of Technology, Lund, Sweden, March, ISRN LUTMDN/TMVK-7010-SE.
19.
Takeya
K.
Yasui
H.
1988
, “Performance of the Integrated Gas and Steam Cycle (IGSC) for Reheat Gas Turbines
,” ASME JOURNAL OF ENGINEERING FOR GAS TURBINES AND POWER
, Vol. 110
, pp. 220
–232
.
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