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Filename SAND-2013-9105.pdf
filesize 325.38 kB
Version 1
Date added October 31, 2014
Downloaded 1086 times
Category Advanced Nuclear Energy, Brayton Cycle, Nuclear Energy Safety
report-id SAND2013-9105

Supercritical Carbon Dioxide Closed Brayton Cycle (S-CO2 CBC) systems have the potential to convert thermal energy to electricity at efficiency significantly higher than traditional steam Rankine cycles. The primary difference in the Brayton cycle that enables higher efficiency is the availability of a useful temperature difference between the high temperature, low pressure flow exiting the turbine, and the low temperature, high pressure flow exiting the compressor. In the S-CO2 CBC cycle, this temperature difference drives heat transfer through recuperation in heat exchangers. Overall cycle energy conversion efficiency increases as the extent of recuperation increases.