Brayton cycle

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University of Wisconsin–Sandia Team Awarded SunShot CSP: APOLLO Funding

With recently awarded funding from the US Department of Energy SunShot Initiative’s CSP: APOLLO Program (Concentrating Solar Power: Advanced Projects Offering Low LCOE Opportunities), Sandia is working with a team led by the University of Wisconsin–Madison to evaluate the potential for significant improvements in the commercial viability of supercritical carbon dioxide (sCO2)/Brayton-cycle power conversion as [...]

Sandia’s Supercritical Carbon-Dioxide/Brayton-Cycle Laboratory Signs Important MOU with Industry Partners

Sandia and eight other companies and research organizations* will collaborate to advance a distributed power system that can produce cleaner, more efficient electricity. The memorandum of understanding (MOU) focuses on developing an energy-conversion system based on supercritical carbon dioxide (sCO2)/Brayton-cycle technology. Gary Rochau, manager of Sandia’s Advanced Nuclear Concepts Dept. said sCO2/Brayton cycle technology could [...]

Brayton Cycle Workshop and Industry Day

On August 26-27, 2014, Sandia National Laboratories plans to host a two day brainstorming session for Industry aimed at discussing the national challenges and collaborative opportunities present in sCO2 Brayton Cycle power cycle development. This event will seek to gather specific and detailed input from industry to identify: critical research and development and demonstration activities [...]

By |July 22nd, 2014|Comments Off on Brayton Cycle Workshop and Industry Day

Mechanical Testing

"Standard Test Methods for Tension Testing of Metallic Materials" E8/E8M-11, ASTM International (2008). ASTM standard (E8) used for tension testing guidance, with tests in constant displacement mode 2 tests were performed: at room temperature and at 650 °C Post-mortem metallography was performed on both samples Room-Temperature Tensile Test Room-Temperature Metallography [...]

By |March 26th, 2014|Comments Off on Mechanical Testing

Diffusion Bonding Characterization

Research Goal 1. Tensile specimens prepared from diffusion-bonded block of 316/316L SS2. Micrograph showing good grain growth across the diffusion bond3. Small defects in bond area may not impact overall strength—but could lower design life, due to crevice corrosion Diffusion bond strength, defects, and corrosion behavior must be understood before they can [...]

By |March 26th, 2014|Comments Off on Diffusion Bonding Characterization

Heat-Exchanger Development

Planned Heat-Exchanger Test Loop Capabilities 500 kW heaters (elec.) 500 kW gas cooler Unbalanced flows Dedicated system accepts novel mixtures and additives Facility Goal Provide testing capability for 1 MW-scale commercial and prototype heat exchangers used at any position in current and future Brayton layouts Path Forward to Commercialization What we are going to [...]

By |March 26th, 2014|Comments Off on Heat-Exchanger Development

Nuclear Energy Systems Laboratory (NESL) / Brayton Lab

Nuclear Energy Systems Laboratory (NESL)/Brayton Lab Sandia National Labs has established the Nuclear Energy Systems Laboratory (NESL)/Brayton Lab to research and develop closed Brayton cycle (CBC) technology for highly efficient thermal-to-electric power conversion. While CBC’s have generated power since 1939 using air as the working fluid, the testing at Sandia’s Brayton Lab [...]

By |June 5th, 2012|Comments Off on Nuclear Energy Systems Laboratory (NESL) / Brayton Lab

Sandia’s Brayton-Cycle Turbine Boosts Small Nuclear Reactor Efficiency

Sandia National Laboratories is seeking an industry partner to market a turbine system that could substantially improve energy efficiency in small modular nuclear reactors. The system uses carbon dioxide in a closed-loop “Brayton-cycle” turbine to crank up electric conversion from heat, said Gary Rochau, manager of the advanced nuclear concepts group at Sandia’s [...]

By |June 1st, 2012|Energy, Energy Efficiency, News, News & Events, Nuclear Energy|Comments Off on Sandia’s Brayton-Cycle Turbine Boosts Small Nuclear Reactor Efficiency