Computer Science
Scientific paper
Jun 1992
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992gatu.confq....t&link_type=abstract
ASME, International Gas Turbine and Aeroengine Congress and Exposition, 37th, Cologne, Germany, June 1-4, 1992, 8 p.
Computer Science
Brayton Cycle, High Temperature Gas Cooled Reactors, Marine Environments, Nuclear Power Plants, Rankine Cycle, Space Power Reactors, Closed Cycles, Energy Conversion Efficiency, High Temperature Tests
Scientific paper
A combined gas-steam cycle adaption to the high-temperature gas-cooled reactor MHTGR now under development is presented. In order to avoid serious problems associated with the direct cycle, the concept features a He/He heat exchanger and a steam generator heated in series. Consequences are a significant plant efficiency increase, a sufficiently low reactor inlet temperature, attractive operating conditions, and a possible reduction of the reactor water ingress hazard. Compared to the reference steam cycle version, the plant efficiency can be increased by 15 to 25 percent, and a value of 50 percent becomes attainable in the foreseeable future. In the case of small space gas-cooled nuclear reactors, combined cycle converters could be attractive for lunar or Mars bases and even lead to reactor design simplifications.
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