The solver contains turbomachinery fashions for compressor and turbine and heat exchanger fashions for recuperator and precooler. The optimum design of simple Brayton cycle and recompression Brayton cycle for the lead fast reactor underneath water-cooled and dry-cooled situations are carried out with consideration of recuperator temperature difference constraints and cycle efficiency. Optimal cycle efficiencies of forty.forty eight% and 35.9% can be achieved for the recompression Brayton cycle and simple Brayton cycle beneath water-cooled situation. Optimal cycle efficiencies of 34.36% and 32.6% could be achieved for the recompression Brayton cycle and simple Brayton cycle under dry-cooled situation (compressor inlet temperature equals to fifty five°C). Increasing the dry cooling flow rate might be helpful to lower the compressor inlet temperature.
Every 5°C decrease within the compressor inlet temperature will bring 1.2% cycle effectivity increase for the recompression Brayton cycle and zero.7% cycle efficiency improve for the straightforward Brayton cycle. Helpful conclusions and advises are proposed for designing the Brayton cycle for mediate-temperature nuclear applications on this paper.
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Physicists have discovered a approach to foil a traditional oobleck science trick
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