When carbon dioxide (CO 2) is held above its critical temperature and pressure, it acts like a gas yet has the density of a liquid. In this supercritical state, small changes in temperature or pressure cause dramatic shifts in density - making sCO 2 a highly efficient working fluid. . The sCO2 Team draws on the resources of DOE offices to achieve the highest efficiencies offered by the sCO2 Brayton cycle technology. But using the thermodynamic properties of this versatile molecule in modern power systems can be an opportunity emissions to air. sCO2 is also at the heart of the indirect-fired supercritical CO2. . Southwest Research Institute is a leader in sCO 2 power cycles, having received more than $120 million in funding to demonstrate the feasibility of the power cycle in addition to developing machinery to support it and addressing any further challenges that may arise from the widespread adoption of. . rayton cycle, with potential applications in CSP and waste heat ratures planned for up to 650°C at 300 bar and mass flow rate 1. Project duration October 2019 to March 2023, budget 2. 2 million euro, partic pants: TU Dresden; Siemens Energy; DLR Institute of Solar Research; HZDR. Funded by. . Supercritical carbon dioxide (sCO 2) power cycle is an innovative concept for converting thermal energy to electrical energy. It uses sCO 2 as the working fluid medium in a closed or semi-closed Brayton thermodynamic cycle.
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