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Title: Cascaded recompression closed Brayton cycle system

Patent ·
OSTI ID:1351835

The present disclosure is directed to a cascaded recompression closed Brayton cycle (CRCBC) system and method of operation thereof, where the CRCBC system includes a compressor for compressing the system fluid, a separator for generating fluid feed streams for each of the system's turbines, and separate segments of a heater that heat the fluid feed streams to different feed temperatures for the system's turbines. Fluid exiting each turbine is used to preheat the fluid to the turbine. In an embodiment, the amount of heat extracted is determined by operational costs.

Research Organization:
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC04-94AL85000
Assignee:
Sandia Corporation
Patent Number(s):
9,624,793
Application Number:
14/266,184
OSTI ID:
1351835
Resource Relation:
Patent File Date: 2014 Apr 30
Country of Publication:
United States
Language:
English

References (4)

Thermodynamic Cycles Using Thermal Diluent patent-application December 2004
Heat Engine Cycles For High Ambient Conditions patent-application May 2012
Supercritical Carbon Dioxide Power Cycle Configuration For Use In Concentrating Solar Power Systems patent-application August 2012
Systems and Methods for Part Load Control of Electrical Power Generating Systems patent-application March 2014

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