Abstract
Given that the combined cycle (CC) code does a good job of modeling current generation gas turbine combined cycle (GTCC) plants, it is useful to extrapolate its capabilities to Nuclear Air-Brayton Combined Cycle (NACC) power plants and Nuclear Air-Brayton Recuperated Cycle (NARC) power plants. The combined cycle plants will be dealt with in this chapter and the recuperated plants in the next chapter. In the Nuclear Air-Brayton power plants, the combustion chamber of the gas turbine system is replaced by the nuclear reactor and a heat exchanger. The nuclear reactor will heat a working fluid and that working fluid will in turn pass through a heat exchanger to heat the air for the turbine. Because the heat transfer process for a nuclear system is in the opposite direction (solid to gas) from that in the gas turbine (gas to solid), the peak temperatures achievable in a Nuclear Air-Brayton system will never be as high as those in a gas turbine system. However, the nuclear system can reheat the air multiple times and expand it across multiple turbines to increase the available power.
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References
A.E. Waltar, A.B. Reynolds, Fast Breeder Reactors (Pergamon Press, New York, 1981)
D.G. Wilson, T. Korakianitis, The Design of High-Efficiency Turbomachinery and Gas Turbines, 2nd edn. (Prentice Hall, Saddle River, 1998), p. 115
B. Zohuri, Innovative Combined Brayton Open Cycle Systems for the Next Generation Nuclear Power Plants, PhD Dissertation, Nuclear Engineering Department, University of New Mexico, 2014
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Zohuri, B., McDaniel, P. (2018). Modeling the Nuclear Air-Brayton Combined Cycle. In: Combined Cycle Driven Efficiency for Next Generation Nuclear Power Plants. Springer, Cham. https://doi.org/10.1007/978-3-319-70551-4_9
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DOI: https://doi.org/10.1007/978-3-319-70551-4_9
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