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thermodynamic cycleAn idealized process in which a working fluid (water, air, ammonia, etc) successively changes its state (from a liquid to a gas and back to a liquid) for the purpose of producing useful work or energy, or transferring energy. Specific examples include the Brayton cycle, Carnot cycle, Rankine cycle, and Stirling engine. Related category• BASIC SCIENCEAlso on this site: Encyclopedia of Science Encyclopedia of History |