DOE sCO2 Power Cycles Component R&D Projects

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photo of Brayton's sCO2 receiver unit cell
Brayton’s sCO2 receiver unit cell features densely packed fins brazed within the outer shell to enhance heat transfer and provide tensile support against high internal pressures.
Source: NREL, Concentrating Solar Power Gen3 Demonstration Roadmap, 2017

Brayton’s sCO2 receiver unit cell features densely packed fins brazed within the outer shell to enhance heat transfer and provide tensile support against high internal pressures.

Resources are organized below in the following categories: sCO2 Power Cycles, Turbomachinery, Heat Exchangers and Recuperators, Gas Coolers, and Advanced Materials.

sCO2 Power Cycles

sCO2 Power Cycle Projects

  • Supercritical Carbon Dioxide Pilot Plant Test Facility, Gas Technology Institute, FE0028979.
  • SuNLaMP project, Sandia National Laboratory
  • APOLLO project, Oregon State University
  • SunShot CSP R&D project, Oregon State University
  • MURI project, University of Arizona
  • SuNLaMP project, Sandia National Laboratory
  • APOLLO project, Purdue University

sCO2 Power Cycle References


Turbomachinery Projects

  • Advanced Turbomachinery Components for Supercritical CO2Power Cycles, GTI, Aerojet Rocketdyne, Duke Energy, Alstom Power, Electric Power Research, and Oak Ridge National Laboratory (ORNL), 10/01/2014–06/30/2016. FE0023998.
  • Development of Low-Leakage Shaft End Seals for Utility-Scale SCO2Turbo Expanders, General Electric Company (GE), Southwest Research Institute (SwRI), 10/01/2014–08/31/2019, FE0024007.
  • High Inlet Temperature Combustor for Direct Fired Supercritical Oxy-Combustion, Southwest Research Institute (SwRI), Thar Energy, and Knolls Atomic Power Laboratory/ Bechtel Marine Propulsion Corporation, 0/01/2014–03/31/2020, FE0024041.
  • Investigation of Autoignition and Combustion Stability of High Pressure sCO2Oxy-Combustion, Georgia Institute of Technology, 10/01/2015–09/30/2018, FE0025174.
  • Chemical Kinetic Modeling Development and Validation Experiments for Direct Fired Supercritical CO2Combustor, University of Central Florida, Stanford University, Embry-Riddle Aeronautical University, 0/01/2015–09/30/2018, FE0025260.
  • An Advanced Gas Foil Bearing Using Supercritical Carbon Dioxide as the Working Fluid, Mechanical Solutions, Inc., SC0013691, SBIR.
  • Improving Efficiency and Reducing Costs for the Supercritical CO2 Design Process, Concepts NREC, LLC, SC0015951.
  • Southwest Research Institute – APOLLO project
  • GE Global Research – APOLLO project

Turbomachinery References

Heat Exchangers and Recuperators

Heat Exchangers and Recuperator Projects:

  • Technology Development of Modular, Low-Cost, High-Temperature Recuperators for SCO2 Power Cycles, Thar, 10/01/2015–12/31/2019, FE0026273.
  • Low Cost Recuperative Heat Exchanger for Supercritical Carbon Dioxide Power Systems, Altex Technologies Corp., 10/01/2014–03/31/2017, FE0024058.
  • Design, Fabrication, and Characterization of Microchannel Heat Exchangers for Fossil-Fired Supercritical CO2 Cycles, Oregon State University, 10/01/2014–09/30/2017, FE0024064.
  • High Temperature Heat Exchange Design and Fabrication for Systems with Large Pressure Differentials, Thar Energy LLC, 10/01/2014–12/31/2016, 10/01/2014–12/31/2016, FE0024012.
  • Manufacturing Process Development for Lower-Cost Heat Exchangers in High-Temperature/Pressure Applications, Brayton Energy, LLC, FE0024020.
  • Development of a Thin Film Primary Surface Heat Exchanger for Advanced Power Cycles, Southwest Research Institute, 10/01/2014–03/31/2016, FE0024104.
  • University of Wisconsin – APOLLO project

Heat Exchanger and Recuperator References and Presentations:

Gas Coolers

  • B. D. Middleton, S. B. Rodriguez, and M. D. Carlson, “Design Construction and Operation of a Supercritical Carbon Dioxide (sCO2) Loop for Investigation of Dry Cooling and Natural Circulation Potential for Use in Advanced Small Modular Reactors Utilizing sCO2 Power Conversion Cycles,” SAND2015--10092, 1226786, Nov. 2015.
  • T. M. Conboy, M. D. Carlson, and G. E. Rochau, “Dry-Cooled Supercritical CO2 Power for Advanced Nuclear Reactors,” Journal of Engineering for Gas Turbines and Power, vol. 137, no. 1, p. 012901, Aug. 2014.
  • T. M. Conboy, M. D. Carlson, and G. E. Rochau, “Dry-Cooled Supercritical CO2 Power for Advanced Nuclear Reactors,” in Proceedings of the ASME Turbo Expo 2014: Turbine Technical Conference and Exposition, Düsseldorf, Germany, 2014, pp. 1–12.

Advanced Materials

Advanced Materials Projects:

  • Advanced Materials Issues in Supercritical Carbon Dioxide, Oak Ridge National Laboratory, 10/01/2015–09/30/2017, FWP-FEAA123.
  • SuNLaMP project, Oak Ridge National Laboratory
  • PREDICTS project, GE Global Research
  • SunShot CSP R&D project, National Renewable Energy Laboratory
  • Predicting the Oxidation/Corrosion Performance of Structural Alloys in Supercritical CO2, EPRI, FE0024120.
  • Materials Issues in Supercritical Carbon Dioxide, ORNL, FWP-FEAA112.
  • Corrosion Studies in Supercritical CO2, ORNL, FWP-FEAA333.
  • Thermophysical Properties of CO2 and CO2-Rich Mixtures, National Institute of Standards & Technology, FE0003931.
  • Ceramic-Metal Joining by a Novel Flame Processing, NGimat Company, SC0015101.
  • Ceramic-Metal Joining of Components Used at High-Temperature and High Pressure, Physical Sciences Inc., SC0015111.
  • Novel Materials for Metal to Ceramic Transitions, HiFunda, LLC, SC0015118.
  • Ceramic to Metal Joints, Physical Sciences Inc., SC0015144.
  • Corrosion and Erosion Resistant Surface Features for High Pressure Supercritical Carbon Dioxide Heat Exchangers, Altex Technologies Corporation, SC0015181.
  • Ceramic-to-Metal Joining for High Temperature, High Pressure Heat Exchangers, Electron Technologies, Inc., SC0015192.

Advanced Materials References and Presentations: