Carbon Dioxide Condensation Cycles For Power Production

[+] Author and Article Information
G. Angelino

Politecnico, Milan, Italy

J. Eng. Power 90(3), 287-295 (Jul 01, 1968) (9 pages) doi:10.1115/1.3609190 History: Received December 28, 1967; Online August 25, 2011


The thermodynamic performance of several condensation cycles employing carbon dioxide as working medium is analyzed and discussed. A balanced distribution of thermodynamic losses between mechanical components and heat exchangers attained through a compression performed partially in the liquid and partially in the gas phase yields cycle efficiencies which are among the highest achievable in present-day energy systems. At turbine inlet temperatures higher than 650 deg C single heating CO2 cycles exhibit a better efficiency than reheat steam cycles. This may prove of particular interest in connection with high temperature nuclear heat sources. However, the requirement of low temperature cooling water for a good cycle arrangement represents a geographical limitation to the widespread application of CO2 condensation cycles.

Copyright © 1968 by ASME
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