High-temperature turbine technology (HTTT) when applied to the reheat-gas-turbine combined cycle (RHGT/CC) offers distinct advantages over the presently contemplated United States Department of Energy (DOE) HTTT simple-cycle gas-turbine combined cycle (SCGT/CC) being developed for gaseous fuel derived from coal. Specific improvements are: 1) higher combined-cycle efficiency, 2) higher specific output per unit of air flow, 3) less critical high-temperature nozzle-vane and rotating-blade surface area to be cooled, 4) less strategic high temperature metal material to be used, and 5) less overall cycle-cooling degradation allowing growth potential. New cooling techniques employing steam are required to accomplish these projections which necessitates advanced research and development and presently unavailable mathematical analytical approaches.
Comparison of the HTTT Reheat-Gas-Turbine Combined Cycle With the HTTT Nonreheat Gas-Turbine Combined Cycle
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Rice, I. G., and Jenkins, P. E. (January 1, 1982). "Comparison of the HTTT Reheat-Gas-Turbine Combined Cycle With the HTTT Nonreheat Gas-Turbine Combined Cycle." ASME. J. Eng. Power. January 1982; 104(1): 129–142. https://doi.org/10.1115/1.3227242
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