Organic Rankine Cycle
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Search Completed | Title | Technoeconomic Study of Solarized Power Cycles
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Text | Technoeconomic Study of Solarized Power Cycles | 001
A joint India-U.S. research consortium funded under the Joint Clean Energy Research & Development Center (JCERDC)
Performed the first comprehensive technoeconomic analysis of alternative solar- driven supercritical CO2 (s-CO2) power cycles.
Significance and Impact:
Identified trade-offs in cost and performance among components in both concentrating solar power (CSP) and s-CO2 power cycles to determine optimal configuration with lowest cost and greatest performance.
• Higher cycle efficiencies (nearly 50%) resulting from recuperation reduce required thermal input and costs of heliostat field and receiver.
• Lower ∆T across the primary heater (CSP source) resulting from recuperation increased required mass flow rate and costs of heat-transfer/storage media, but resulting cost increase was relatively small.
• Recuperated simple, recompression, and partial cooling s-CO2 cycles yielded the lowest overall costs.
Publication: C. Ho, M. Carlson, P. Garg, and P. Kumar, “Cost and performance tradeoffs of alternative solar-driven supercritical CO2 power cycles,” Proceedings of the ASME 2015 Power and Energy Conversion Conference, San Diego, June 28–July 2, 2015.
Contact: Dr. Cliff Ho, firstname.lastname@example.org
Indirect sCO2 Receiver
Turbine Re- Compressor
Gas Recuperator Recuperator Cooler
Solarized s-CO2 recompression power cycle with thermal storage.
Table of solar and power block costs for alternative s-CO2 power cycles. SCBC = Simple Closed Brayton Cycle; RCBC = Recompression Closed Brayton Cycle; CCBC = Cascaded Closed Brayton Cycle; CBI = Combination Bifurcation with Intercooler
Concentrating Solar Costs ($/kWe)
Power Block Costs ($/kWe)
Total Costs ($/kWe)
Image | Technoeconomic Study of Solarized Power Cycles
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