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Title: Recuperative supercritical carbon dioxide cycle

Patent ·
OSTI ID:1164041
; ; ; ;

A power plant includes a closed loop, supercritical carbon dioxide system (CLS-CO.sub.2 system). The CLS-CO.sub.2 system includes a turbine-generator and a high temperature recuperator (HTR) that is arranged to receive expanded carbon dioxide from the turbine-generator. The HTR includes a plurality of heat exchangers that define respective heat exchange areas. At least two of the heat exchangers have different heat exchange areas.

Research Organization:
Energy Technology Engineering Center (ETEC), Canoga Park, CA (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC07-03SF22307
Assignee:
Aerojet Rocketdyne of DE, Inc (Canoga Park, CA)
Patent Number(s):
8,887,503
Application Number:
13/323,874
OSTI ID:
1164041
Country of Publication:
United States
Language:
English

References (12)

Carbon dioxide power cycle patent February 1985
Nuclear reactor plant patent January 2004
High density combined cycle power plant process patent November 2006
Supercritical CO2 turbine for use in solar power plants patent March 2010
Compound closed-loop heat cycle system for recovering waste heat and method thereof patent July 2013
Driven starter pump and start sequence patent December 2013
Hot day cycle patent July 2014
Heat Recovery Equipment patent-application November 2009
Compound Closed-Loop Heat Cycle System for Recovering Waste Heat and Method Thereof patent-application May 2011
System and Method for High Efficiency Power Generation Using a Carbon Dioxide Circulating Working Fluid patent-application July 2011
Supercritical Carbon Dioxide Power Cycle Configuration For Use In Concentrating Solar Power Systems patent-application August 2012
Enhancing Power Cycle Efficiency for a Supercritical Brayton Cycle Power System Using Tunable Supercritical Gas Mixtures patent-application February 2013

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