Thermodynamic study of a supercritical carbon dioxide Brayton cycle based on main compression intercooling configuration

Abstract This study presents detailed thermodynamic modeling of a supercritical Brayton cycle operating with carbon dioxide as working fluid for electric power generation. The incorporates main compression intercooling configuration while elucidating the effect operational parameters on overall performance based energy and exergy perspectives. model was carefully validated relevant authors. Moreover, two different optimization methodologies, namely particle swarm fmincom, are evaluated convergence criteria. results demonstrated that fmincom reduced iteration time between 140 s - 180 s. pressure played central role in stability thermophysical properties fluid. efficiencies present direct relation inlet temperature. air cooling regenerators represent biggest contributor to destruction, whereas compressors featured minimal impact degeneration. Overall, proposed robust implement high-grade heat sources, especially non-interconnected areas.