Supercritical CO₂ Power Cycles Symposium

6^th International sCO₂ Power Cycles Symposium

The 6^th International sCO₂ Power Cycles Symposium was held March 27–29, 2018, in Pittsburgh, Pennsylvania.

The following papers and/or presentations were presented at the symposium, grouped by session.

Tutorial Sessions

Fundamental Review of sCO₂ Power Cycles Jason C. Wilkes, Southwest Research Institute

Turbo Machinery Design for Supercritical CO₂ Applications

Materials for Supercritical CO₂ Power Cycles Ganesan Subbaraman, Gas Technology Institute; Steven Kung, EPRI; and Henry Saari, Carleton University

Heat Exchangers for Supercritical CO₂ Power Cycle ApplicationsGrant O. Musgrove, Southwest Research Institute

Keynote Presentations

Thar Has a History of Successfully Designing & Commercializing Green Processes Using CO₂ Lalit Chordia, TharEnergy

State of sCO₂ Technology View from North America Tom Alley, EPRI

The Future of sCO2 Cycles from the Perspective of KEPCO (no presentation available)
Sungho Chang

GTI STEP forward on sCO₂ Power Vann Bush, GTI

The Future of sCO₂ Power Cycle Technology—EU Perspective Claudio Spadacini, EXERGY SPA

Panel Sessions

Panel Session I: Industry

Thomas Soulas, Siemens (No presentation)

Commercialization Challenges for a Platform Technology Philip Brennan, Echogen

Exhaust Heat Exchangers and their Maturity and Related Current Offerings and SuccessRenaud LePierres, Meggitt

sCO₂ for WHR: Barriers to Entry and Help Needed Tim Held - Echogen

sCO₂ Symposium WHR Panel: SCO2 Turbomachinery Developments David Stapp, Peregrine Turbine Technologies

Panel Session II: High-Level DOE

Overview of the Fossil Energy sCO2 Program Darren Mollot, U.S. DOE, Office of Fossil Energy

Concentrating Solar Thermal Power Program Overview Avi Shultz, U.S. DOE, CSP Program Manager

Supercritical Carbon Dioxide (sCO2) Power Cycles for Associate Deputy Assistant Secretary Advanced Reactor Technologies Sal Golub, U.S. DOE, Office of Nuclear Energy

Panel Session III: University R&D

What Universities Can Do (or Are Actually Doing) to Help Make sCO₂ a Commercial Reality? David Sanchez

Heat Exchangers, Materials, and Application to Solar and Nuclear Power Mark Anderson, University of Wisconsin-Madison

Working Fluids and System Configurations Piero Colonna, TU Delft

Additive Manufacturing of sCO2 Heat Exchangers–Opportunities and ChallengesVinod Narayanan, University of California-Davis

What Universities Can Do To Help Make sCO₂ a Commercial Reality? Kenneth Sandhage, Purdue University

Two Phase Modeling in sCO₂ Power Cycles Jeong Ik Lee, KAIST

sCO₂ Cycle Modelling and Low NS Radial Inflow Turbines Ingo Jahn, University of Queensland

Panel Session IV: National Laboratories R&D

Research-to-Power: The sCO₂ FutureBruce Pint, Oak Ridge National Laboratory

Research-to-Power: The sCO2 Future. Coordination and contributions to component research and system demonstrations by Sandia National LaboratoriesMatthew Carlson, Sandia National Laboratories

Research-to-Power: The sCO₂ Future. Argonne's Vision Anton Moisseytsev, Argonne National Laboratory

sCO₂ Power-Related Research at NREL Craig Turchi, NREL

Overview of SwRI sCO₂ Power Cycle R&D Aaron McClung, Southwest Research Institute

sCO₂ Research & Development at NETL Peter Strakey, NETL

Research Activities at Naval Nuclear Laboratory Eric Clementoni, Naval Nuclear Laboratory

Components

#43 - Gas Foil Bearing Coating Behavior in Environments Relevant to sCO₂ Power System Turbomachinery Matthew Walker, Sandia National Laboratories; Darryn Fleming, Sandia National Laboratories; and James Pasch, Sandia National Laboratories
Presentation

#72 - Technology Readiness of 5th and 6th Generation Compliant Foil Bearing for 10 MW sCO₂ Turbomachinery Systems James Walton, Mohawk Innovative Technology, Inc.; Hooshang Heshmat, Mohawk Innovative Technology; and Jose Luis Cordova, Mohawk Innovative Technology
Presentation

#111 - Advanced Gas Foil Bearing Design for sCO₂ Power Cycles Peter Chapman, Mechanical Solutions, Inc.
Presentation

#151 - Magnetic Bearings for Supercritical CO₂ Turbomachinery Ashwanth Narayanaswamy, Waukesha Magnetic Bearings; and Richard Shultz, Waukesha Magnetic Bearings
Presentation

Cycles

#135 - sCO₂ Cycle as an Efficiency Improvement Opportunity for Air-fired Coal Combustion Walter Shelton, National Energy Technology Laboratory; Charles White, KeyLogic; Nathan Weiland, U.S. DOE NETL; and Travis Shultz, U.S. DOE NETL
Presentation

#52 - Exergoeconomic Analysis of Different sCO₂ Cycle Configurations Mathias Penkuhn, Technische Universität Berlin, and George Tsatsaronis, Technische Universität Berlin
Presentation

#187 - Thermal Desalination as Cooling for a Supercritical Carbon Dioxide (sCO₂) Brayton Cycle Prashant Sharan, National Renewable Energy Laboratory, and Ty Neises, National Renewable Energy Laboratory
Presentation not available

#102 - Power Generating Operation of the Supercritical Carbon Dioxide Power Cycle Experimental Test Loop with an Axial Turbo-Generator Junhyun Cho, Korea Institute of Energy Research; Hyungki Shin, Korea Institute of Energy Research; Jongjae Cho, Korea Institute of Energy Research; Ho-Sang Ra, Korea Institute of Energy Research; Chulwoo Roh, Korea Institute of Energy Research; Beomjoon Lee, Korea Institute of Energy Research; Gilbong Lee, Korea Institute of Energy Research; Bongsu Choi, Korea Institute of Energy Research; and Young-Jin Baik, Korea Institute of Energy Research
Presentation

#51 - Feasibility Study of Supercritical CO₂ Rankine Cycle for Waste Heat Recovery Ashish Kumar Dave, Nabros Pharma PVT LTD; Ashish Chaudhary, Nabros Pharma PVT LTD; Yagneshkumar Trivedi, Nabros Pharma PVT LTD; Amit Mulchand, Nabros Pharma PVT LTD; Haresh Chauhan, Nabros Pharma PVT LTD; Johnny Patel, Nabros Pharma PVT LTD; and Vishal Mehta, Nabros Pharma PVT LTD
Presentation

#113 - Optimized Cycle and Turbomachinery Configuration for an Intercooled, Recompressed sCO₂ Cycle Emmanuel Pesatori, Exergy SpA; Nicolò Lazzarin, Exergy SpA; Lorenzo Centemeri, Exergy SpA; Roberto Macchi, Exergy SpA; and Massimilano Santvito, Exergy SpA
Presentation

#90 - Testing of an Ultra-low Temperature sCO₂ Opposing Piston Heat Engine Joshua Schmitt, Southwest Research Institute; Jordan Nielson, Southwest Research Institute; and Nathan Poerner, Southwest Research Institute
Presentation

Fundamentals

#61 - Numerical Simulations of Supercritical CO₂ Flow Through Pipe Bends: Identification of a Potential Cause of Materials Erosion Xiaoliang He, Oregon State University/National Energy Technology Laboratory; Sourabh Apte, Oregon State University; and Omer Dogan, National Energy Technology Laboratory
Presentation not available

#103 - Large Eddy Simulation of Supercritical CH₄/CO₂/O₂ Non-Premixed Turbulent Oxy-Combustion Eugenio Giacomazzi, ENEA; Donato Cecere, ENEA; Franca Rita Picchia, ENEA; Nunzio Arcidiacono, ENEA; and Giuseppe Messina, ENEA
Presentation not available

#108 - RANS Turbulence Modeling for Supercritical Carbon Dioxide Flows Timothy Grunloh, Illinois Rocstar LLC; Luke Calian, Illinois Rocstar LLC; Blake Lance, Sandia National Laboratories; and Salvador Rodriguez, Sandia National Laboratories
Presentation not available

#160 - Flow Distribution Measurements in sCO₂ Blake Lance, Sandia National Laboratories
Presentation not available

#32 - The Dominant Thermal Resistance Approach for Heat Transfer to Supercritical Fluids Eckart Laurien, Universität Stuttgart; Donald McEligot, University of Idaho; Wei Wang, Daresbury Laborytory, Warrington, England; and Shuisheng He, University of Sheffield
Presentation

#180 - A Novel Approach to Accurately Model Heat Transfer to Supercritical Fluids Rene Pecnik, Delft University of Technology; Gustavo Rodriguez, Delft University of Technology; and Ashish Patel, Delft University of Technology
Presentation

#97 - Numerical Investigation of Nonequilibrium Condensate CO₂ Flows in a Laval Nozzle Hironori Miyazawa, Tohoku University; Takashi Furusawa, Tohoku University; and Satoru Yamamoto, Tohoku University
Presentation not available

#124 - Investigation of Heat transfer Model for Horizontal Tubes at Supercritical Pressures of CO₂ Tae Ho Kim, POSTECH; Hyun Sun Park, POSTECH; Jin Gyu Kwon, POSTECH; Joo Hyun Park, POSTECH; and Moo Hwan Kim, POSTECH
Presentation not available

#62 - Partial Load Characteristics of the Supercritical CO₂ Gas Turbine System for the Solar Thermal Power System with Na-Al-CO₂ Heat Exchanger Yasushi Muto, Tokyo Institute of Technology; Nobuyuki Watanabe, Nagoya University; Masanori Aritomi, Tokyo Institute of Technology; Takao Ishizuka, Tokyo Institute of Technology; and Noriyuki Wantanabe, Nagoya University
Presentation

Heat Exchangers

#114 - Thermal and Mechanical Performance Analysis of Printed-Circuit Heat Exchangers for ASME Nuclear Code Case Development Shaun Aakre, University of Wisconsin–Madison; Ian Jentz, University of Wisconsin–Madison; and Mark Anderson, University of Wisconsin–Madison
Presentation

#130 - Thermal-Hydraulic Performance of Compact Diffusion Bonded Heat Exchanger Geometries using Supercritical Carbon Dioxide as the Working Fluid Sandeep R. Pidaparti, Georgia Institute of Technology; Devesh Ranjan, Georgia Institute of Technology; and Mark Anderson, University of Wisconsin-Madison
Presentation

#77 - Computational Analysis of Ceramic Heat Exchangers for Supercritical CO₂ Brayton Cycle in CSP Applications at High-Temperatures Dorrin Jarrahbashi, Texas A&M University; Sandeep Pidaparti, Georgia Institute of Technology; Taegyu Kang, Georgia Institute of Technology; and Devesh Ranjan, Georgia Institute of Technology
Presentation

#38 - A Primary Supercritical CO₂ Heat Exchanger for Waste Heat Recovery Erfan Rasouli, University of California; Vinod Narayanan, University of California, Davis; Samikshya Subedi, Carnegie Mellon University; Adam Strong, University of California; Adrew Shoats, University of California; Colt Montgomery, Carnegie Mellon University; Caton Monde, University of California; Matt Stevens, University of California; and Anthony Rollett, Carnegie Mellon University
Presentation not available

#159 - Design and Performance Characterization of a Micro-Pin Fin sCO₂ Recuperator Vinod Narayanan, University of California, Davis; Antash Najib, University of California, Davis; Erfan Rasouli, University of California, Davis; and Christian Horend, University of California, Davis
Presentation

#185 - Thermal-Hydraulic Testing of a Compact, Diffusion Bonded Heat Exchanger for a Supercritical CO₂ Brayton Power Cycle Eric Clementoni, Naval Nuclear Laboratory; Joseph Nehrbauer, Naval Nuclear Laboratory; and Zhijun Jia, CompRex, LLC
Presentation

#165 - Analysis of Supercritical CO₂ Brayton Cycle Heat Exchanger Size and Capital Cost with Variation of Layout Design Kyle Zada, Vacuum Process Engineering; Ryan Kim, Vacuum Process Engineering; Aaron Wildberger, Vacuum Process Engineering; and Carl Schalansky, Vacuum Process Engineering
Presentation

#59 - Switched Bed Regenerators for sCO₂ Cycles Jacob Hinze, University of Wisconsin, Madison; Logan Rapp, University of Wisconsin–Madison; Gregory Nellis, University of Wisconsin–Madison; and Mark Anderson, University of Wisconsin–Madison
Presentation not available

#127 - LES Simulation of Turbulent Supercritical CO₂ Heat Transfer in Microchannels Alexander Rattner, Pennsylvania State University; and Mahdi Nabil, The Pennsylvania State University
Presentation not available

#148 - Processing of High-Temperature, Toughened Ceramic Composite Materials for Use in Heat Exchangers Operating at > 750 C with Supercritical CO₂
Kenneth Sandhage, Purdue University; Mario Caccia, Purdue University; Alex Strayer, Purdue University; Meysam Tabandeh-Khorshid, Purdue University; Supattra Singnisai, Purdue University; Adam Caldwell, Purdue University; Naveen Kadasala, Purdue University; Diane England, Georgia Institute of Technology; Andrew Rohskopf, Georgia Institute of Technology; Asegun Henry, Georgia Institute of Technology; Grigorios Itskos, Purdue University; Andres Rossy, Oak Ridge National Laboratory; Anthony Schroeder, Univeristy of Wisconsin; Dorrin Jarrahbashi, Georgia Institute of Technology; Taegyu Kang, Georgia Institute of Technology; Sandeep Pidaparti, Georgia Institute of Technology; Seshadev Shaoo, Purdue University; Edgar Lara-Curizo, Oak Ridge National Laboratory; Devesh Ranjan, Georgia Institute of Technology; and Mark Anderson, University of Wisconsin
Presentation

Materials

#147 - Comparison of Grade 91 and 347H Corrosion Resistance in the Low-Temperature Components of Direct Supercritical CO₂ Power Cycle Systems Reyixiati (Richard) Repukaiti, Oregon State University/National Energy Technology Laboratory; Lucas Teeter, Oregon State University; Margaret Ziomek-Moroz, National Energy Technology Laboratory; Ömer Doğan, National Energy Technology Laboratory; Randal Thomas, National Energy Technology Laboratory/AECOM; and Nicolas Huerta, National Energy Technology Laboratory
Presentation

#158 - Characterization of Oxide Scale Structures on Alloys Exposed to Open-Fired sCO₂ Power Cycles Tapasvi Lolla, Electric Power Research Institute; John Shingledecker, Electric Power Research Institute; Steve Kung, Electric Power Research Institute; Mike Gagliano, Electric Power Research Institute; Ian Wright, Wright HT Inc.; and Adrian Sabau, Oak Ridge National Laboratory
Presentation

#163 - In-Situ Environmentally Induced Cracking in Supercritical Carbon Dioxide Lucas Teeter, Oregon State University; Benjamin Adam, Oregon State University; Thomas Wood, Oregon State University; Sebastien Teysseyre, Idaho National Lab; and Julie Tucker, Oregon State University
Presentation not available

#11 - Characterization of INCONEL alloy 740H in Piping and Fittings for Advanced Supercritical CO₂ Systems John deBarbadillo, Special Metals; Brian Baker, Special Metals; Ronald Gollihue, Special Metals; and Stephen McCoy, Special Metals
Presentation

#143 - The Ex-situ Fatigue Response of Nickel Superalloys in Response to Supercritical CO₂ Kyle Rozman, National Energy Technology Laboratory; Ömer Doğan, National Energy Technology Laboratory; Gordon Holcomb, National Energy Technology Laboratory; Casey Carney, National Energy Technology Laboratory; and Jeffrey Hawk, National Energy Technology Laboratory
Presentation not available

#94 - Materials Evaluation and Corrosion Test Needs for a Direct-Fired sCO₂ Oxy-Combustion Plant Florent Bocher, Southwest Research Institute; Tim Allison, Southwest Research Institute; Bong Gun Shin, Hanwha Power Systems; SangMin Lee, Korea Electric Power Corporation; and Karl Wygant, Hanwha Power Systems
Presentation

#117 - The Use of Glow Discharge Optical Emission Spectroscopy to Quantify Internal Carburization in Supercritical CO₂ Michael Lance, Oak Ridge National Laboratory; Donovan Leonard, Oak Ridge National Laboratory; and Bruce Pint, Oak Ridge National Laboratory
Presentation

#146 - Supercritical CO₂ Round Robin Test Program Julie Tucker, Oregon State University; Benjamin Adam, Oregon State University; Henry Saari, Carlton University; Lucas Teeter, Oregon State University; Mark Anderson, University of Wisconsin; Jacob Mahaffey, Sandia National Laboratories; Bruce Pint, Oak Ridge National Laboratory; Omer Dogan, National Energy Technology Laboratory; Gordon Holcomb, National Energy Technology Laboratory; Changheui Jang, Korea Advanced Institute of Science and Technology; Casey Carney, National Energy Technology Laboratory/AECOM; and Steven Kung, Electric Power Research Institute
Presentation

#5 - Corrosion of Heat Exchanger Alloys in Open-Fired sCO₂ Power Cycles Steven Kung, Electric Power Research Institute; John Shingledecker, Electric Power Research Institute; Ian Wright, WrightHT, Inc.; Adrian Sabau, Oak Ridge National Laboratory; Brett Tossey, Det Norske Veritas USA, Inc.; and Tapasvi Lolla, Electric Power Research Institute
Presentation

#8 - The Effect of Impurities on Oxidation in Supercritical CO₂ at 750°C Bruce Pint, Oak Ridge National Laboratory; and James Keiser, Oak Ridge National Laboratory
Presentation

#168 - Creep and Tensile Properties of DMLS Printed Inconel 738 Coupons and Comparison to Cast Properties Jason Wilkes, Southwest Research Institute; Kevin Hoopes, Southwest Research Institute; John Helfand, Southwest Research Institute; Rob Pelton, Hanwha Power Systems; and Karl Wygant, Hanwha Power Systems
Presentation

#44 - Evaluating the Influence of CO₂ Purity on the Corrosion of Structural Alloys for Supercritical CO₂ Power Cycles Matthew Walker, Sandia National Laboratories; and Elizabeth Withey, Sandia National Laboratories
Presentation

#45 - Mechanical and Corrosion Performance of the Weld of INCONEL 740H Andrew Brittan, University of Wisconsin-Madison; Jacob Mahaffey, Sandia National Laboratory; Mark Anderson, University of Wisconsin-Madison; and Kumar Sridharan, University of Wisconsin-Madison
Presentation

#60 - Corrosion Behavior of Fe and Ni Commercial Alloys in Direct-Fired Supercritical CO₂ Power Cycle Environments Joseph Tylczak, National Energy Technology Laboratory; Richard Oleksak, National Energy Technology Laboratory and AECOM; Gordon Holcomb, National Energy Technology Laboratory; and Ömer Doğan, National Energy Technology Laboratory
Presentation

Modeling & Control

#80 - Steady State and Dynamic Modeling for the 10 MWe sCO₂ Test Facility Program Megan Huang, Gas Technology Institute; Chin-Jeng Tan, General Electric; and Aaron McClung, Southwest Research Institute
Presentation

#16 - Dynamic Modeling and Simulation of a 10MWe Supercritical CO₂ Recompression Closed Brayton Power Cycle for Off-Design, Part-Load, and Control Analysis
Stephen Zitney, National Energy Technology Laboratory; Eric Liese, National Energy Technology Laboratory; and Stephen Zitney, National Energy Technology Laboratory
Presentation

#25 - Advanced Regulatory Control of a 10 MWe Supercritical CO₂ Recompression Brayton Cycle towards Improving Power Ramp Rates Eric Liese, National Energy Technology Laboratory; Priyadarshi Mahapatra, National Energy Technology Laboratory; Jacob Albright, National Energy Technology Laboratory; and Stephen Zitney, National Energy Technology Laboratory
Presentation

#50 - Development of a Transient Analysis Code for sCO₂ Power Conversion System ChunTian Gao, Xi'an Jiao Tong University; Pan Wu, Xi'an Jiao Tong University; JianQiang Shan, Xi'an Jiao Tong University; and Bin Zhang, Xi'an JiaoTong University
Presentation

#55 - Off-Design Performance Modeling Results for a Supercritical CO₂ Waste Heat Recovery Power System Steven Wright, SuperCritical Technologies, Inc.; Chal Davidson, SuperCritical Technologies Inc.; and Craig Husa, SuperCritical Technologies Inc.
Presentation

#65 - Dynamic Modeling and Transient Analysis of a Molten Salt Heated Recompression Supercritical CO₂ Brayton Cycle Jinyi Zhang, EDF; Zijiang Yang, EDF; and Yann Le Moullec, EDF
Presentation

#186 - Simulation of IST Turbomachinery Power-Neutral Tests with the ANL Plant Dynamics Code Anton Moisseytsev, Argonne National Laboratory; and James Sienicki, Argonne National Laboratory
Presentation

#12 - Dynamic Modeling of Microtube Recuperators in an Indirect Supercritical Carbon Dioxide Recompression Closed Brayton Power Cycle Eric Liese, National Energy Technology Laboratory; Yuan Jiang, National Energy Technology Laboratory; Stephen Zitney, National Energy Technology Laboratory; and Debangsu Bhattacharyya, West Virginia University
Presentation

#139 - Steady-State, Off-Design and Transient Performance Modeling of Printed Circuit Heat Exchanger in a Supercritical CO₂ Power Cycle Vamshi Avadhanula, Echogen Power Systems (DE), Inc.; Luke Magyar, Echogen Power Systems (DE), Inc.; and Timothy Held, Echogen Power Systems (DE), Inc.
Presentation

#39 - Development of Accelerated PCHE Off-Design Performance Model for Optimizing Power System Control Strategies in sCO₂ System Jinsu Kwon, KAIST, and Jeong Ik Lee, KAIST
Presentation not available

Oxy-Combustion

#10 - Recent Progress in the Development of a Validated Combustion Chemical Kinetic Model for sCO₂
Subith Vasu, CATER, University of Central Florida; Artem Masunov, University of Central Florida; Scott Martin, Embry-Riddle Aeronautical University; Jayanta Kapat, CATER, University of Central Florida; and Owen Pryor, CATER, University of Central Florida
Presentation not available

#149 - Large-Eddy Simulations of Oxy-Fuel Combustors for Direct-Fired Supercritical CO₂ Power Cycles Daniel Banuti, Cascade Technologies, Inc.; Lee Shunn, Cascade Technologies, Inc.; Sanjeeb Bose, Cascade Technologies, Inc.; and Dokyun Kim, Cascade Technologies, Inc.
Presentation

#154 - Modeling and Testing of a Directly Heated Supercritical CO₂ Combustor Jad Aboud, The University of Texas El Paso; ASM Arifur Chowdhury, The University of Texas El Paso; Ahsan Choudhuri, The University of Texas El Paso; Remi Tsiava, Air Liquide R&D; Bhupesh Dhungel, Air Liquide R&D; Jiefu Ma, Air Liquide R&D; Hwanho Kim, Air Liquide R&D; and Norman Love, The University of Texas at El Paso
Presentation

#70 - Simulation of sCO₂ Oxy-Combustion using Reduced Chemical Kinetic Mechanism: Effects of Reduced Mechanism and Sensitivity to Mechanism Parameters Zefang Liu, Georgia Institute of Technology; Wenting Sun, Georgia Institute of Technology; Xiang Gao, Georgia Institute of Technology; Miad Karimi, Georgia Institute of Technology; Vishal Acharya, Georgia Institute of Technology; Jacob Delimont, Southwest Research Institute; Nathan Andrews, Southwest Research Institute; and Bradley Ochs, Georgia Institute of Technology
Presentation

#119 - Oxy-Combustion Flame Fundamentals for Supercritical CO₂ Power Cycles Peter Strakey, National Energy Technology Laboratory
Presentation

#134 - Computational Modeling of a Direct Fired Oxy-Fuel Combustor for sCO₂ Power Cycles Jacob Delimont, Southwest Research Institute; Nathan Andrews, Southwest Research Institute; and Lalit Chordia, Thar Energy, LLC
Presentation

Power Plants & Applications

#20 - Challenges in Using Fuel-Fired Boilers for sCO₂ Closed Brayton Cycle Mounir Mecheri, EDF; and Huiqi Wang, EDF
Presentation

#14 - Integration of Indirect-Fired Supercritical CO₂ Power Cycles with Coal-Based Heaters Andrew Maxson, Electric Power Research Institute; George Booras, Electric Power Research Institute; Scott Hume, Electric Power Research Institute; Jason Miller, Echogen Power Systems; David Buckmaster, Echogen Power Systems; Dougal Hogg, Howden Group; James Nimmo, Howden Group; Bartev Sakadjian, Babcock & Wilcox Power Generation Group, Inc.; Ted Thome, Babcock & Wilcox Power Generation Group, Inc.; Ray Chamberland, General Electric Power; Glen Jukkola, General Electric Power; Silvano Saretto, Dresser-Rand, A Siemens Business; and Kiho Hong, Doosan Heavy Industries
Presentation

#83 - Preliminary Cost and Performance Results for a Natural Gas-Fired Direct sCO₂ Power Plant Nathan Weiland, National Energy Technology Laboratory; and Charles White, KeyLogic
Presentation

#141 - Practical Considerations for the Conceptual Design of an sCO₂ Cycle Aaron McClung, Southwest Research Institute; Natalie Smith, Southwest Research Institute; Tim Allison, Southwest Research Institute; and Brittany Tom, Southwest Research Institute
Presentation

#71 - sCO₂ Power Cycles with Integrated Thermochemical Energy Storage Using an MgO-Based sCO₂ Sorbent in Direct Contact with Working Fluid for Grid Energy Storage Applications Andrew Muto, Southern Research Institute; Kevin McCabe, Southern Research Institute; and Daniel Real, Southern Research Institute
Presentation

#93 - Optimizing the sCO₂ Brayton Cycle for Concentrating Solar Power (CSP) Application Rajgopal Vijaykumar, United States Department of Energy; Matthew Bauer, United States Department of Energy; Mark Lausten, United States Department of Energy; and Abraham Shultz, United States Department of Energy
Presentation

#144 - Supercritical Brayton Power Conversion with a Direct Cooled Reactor for Space Power Becky Sondelski, University of Wisconsin – Madison; Alex Swenson, University of Wisconsin – Madison; Greg Nellis, University of Wisconsin–Madison; Paul Wilson, University of Wisconsin–Madison; Mark Anderson, University of Wisconsin–Madison; and Paul Wilson, University of Wisconsin–Madison
Presentation

Testing

#26 - Effect of Compressor Inlet Temperature on Cycle Performance for a Supercritical Carbon Dioxide Brayton Cycle Eric Clementoni, Naval Nuclear Laboratory; Jacqueline Lewis, Naval Nuclear Laboratory; and Tim Cox, Naval Nuclear Laboratory
Presentation

#49 - An Overview of the Rolls-Royce sCO₂-Test Rig Project at Cranfield University Ian Bunce, Rolls-Royce plc; Eduardo Anselmi,Cranfield University; Vassilios Pachidis, Cranfield University; Pavlos Zachos, Cranfield University; and Michael Johnston, Heatric - Meggitt
Presentation

#76 - Commissioning of a 10 MWe supercritical CO₂ Turbine Jeff Moore, Southwest Research Institute; Stefan Cich, Southwest Research Institute; Jonathon Wade, Southwest Research Institute; Doug Hofer, GE Global Research; Meera Day, Southwest Research Institute; and Tim Allison, Southwest Research Institute
Presentation

#183 - Test Results of a 1.5MW High Speed Motor-Generator in a Pressurized CO₂ Environment Jason Miller, Echogen Power Systems; Timothy Held, Echogen Power Systems; Kyle Sedlacko, Echogen Power Systems; Jared Hubach, Echogen Power Systems; Roberto Zullo, Samnium Aerospace
Presentation

#89 - Supercritical Carbon Dioxide Brayton Power Cycle Test Loop Operations Review Marc Portnoff, Thar Energy, LLC; and Lalit Chordia, Thar Energy, LLC
Presentation not available

Turbomachinery

#170 - Design of a Supercritical CO₂ Compressor for Use in a 10 Mwe Power Cycle Stefan Cich, Southwest Research Institute; Jeffrey Moore, Southwest Research Institute; Jason Mortzheim, General Electric; and Doug Hofer, General Electric
Presentation

#7 - Numerical Simulations of CO₂ Compressors: Subcritical Inlet Conditions Ashvin Hosangadi, CRAFT Tech; Zisen Liu, CRAFT Tech; Timothy Weathers, CRAFT Tech; and Vineet Ahuja , CRAFT Tech
Presentation

#15 - Compressor Design Methods in the Supercritical CO₂ Applications Teemu Turunen-Saaresti, Lappeenranta University of Technology; Alireza Ameli, Lappeenranta University of Technology; Aki Grönman, Lappeenranta University of Technology; and Jari Backman, Lappeenranta University of Technology
Presentation

#54 - Test Rig Design for Large Supercritical CO₂ Turbine Seals Aaron Rimpel, Southwest Research Institute; Natalie Smith, Southwest Research Institute; Jason Wilkes, Southwest Research Institute; Hector Delgado, Southwest Research Institute; Timothy Allison, Southwest Research Institute; Rahul Bidkar, GE Global Research; Uttara Kumar, GE Global Research; and Deepak Trivedi, GE Global Research
Presentation

#35 - A Preliminary Comparison of Different Turbine Architectures for a 100 kW Supercritical CO₂ Turbine Martin White, University of London; and Abdulnaser Sayma, University of London
Presentation

#48 - Managing Thermal Gradients on a Supercritical Carbon Dioxide Radial Inflow Turbine David Stevens, Peregrine Turbine Technologies
Presentation

#81 - Making Clean Power Possible: A Gas Turbine-driven, Integrally Geared Compressor Solution for the sCO₂ Allam Cycle Jacob Duffney, Atlas Copco Gas and Process; Tushar Patel, Atlas Copco Gas and Process; David Freed, 8 Rivers Capital; and Brock Forrest, 8 Rivers Capital
Presentation

#100 - A CFD Analysis for an Isothermal Compressor Used in an S-CO₂ Power Cycle for Waste Heat Recovery Applications Jin Young Heo, KAIST; Seong Gu Kim, KAIST; and Jeong Ik Lee, KAIST
Presentation

Posters

#17 - Thermodynamic Analysis and Multi-Objective Optimizations of a Combined Recompression sCO₂ Brayton Cycle–TCO₂ Rankine Cycles for Waste Heat Recovery Ali Alsagri, University of Dayton; and Andrew Chiasson, University of Dayton
Poster

#19 - Development of Direct Numerical Simulation Database for Supercritical Carbon Dioxide Sandeep Pandey, University of Stuttgart; Eckart Laurien, University of Stuttgart; and Xu Chu, University of Stuttgart
Poster

#22 - sCO₂ closed Brayton Cycle for Coal-Fired Power Plant: an Economic Analysis of a Previous Technical Optimization Mounir Mecheri, EDF
Poster

#23 - Design of SC-CO₂ Brayton Cycles Using MINLP Optimization within a Commercial Simulator Qiao Zhao, EDF R&D; Mounir Mecheri, EDF R&D; Thibaut Neveux, EDF R&D; Romain Privat, LRGP; and Jean-Noël Jaubert, LRGP
Poster

#31 - The S-CO₂ Brayton Cycle Code Development and the Thermal Dynamic Analysis of a Small-Scaled Facility Jinguang Zang, Nuclear Power Institute of China; Junfeng Wang, Nuclear Power Institute of China; Guangxu Liu, Nuclear Power Institute of China; Shenghui Liu, Nuclear Power Institute of China; Yuanfeng Zan, Nuclear Power Institute of China; and Yanping Huang, Nuclear Power Institute of China
Poster

#37 - Start up Modeling of KAIST Micro Modular Reactor Compressor Using Beta Line Method with Gamma+ Code Bong Seong Oh, KAIST; and Jeong Ik Lee, KAIST
Poster

#40 - Aerodynamic Design of a Supercritical Carbon Dioxide Radial Inflow Turbine Stage
Can Ma, Wuhan Second Ship Design and Research Institute; Jun Wu, Wuhan Second Ship Design and Research Institute; Zhenxing Zhao, Wuhan Second Ship Design and Research Institute; Zhouyang Liu, Wuhan Second Ship Design and Research Institute; Wei Wang, Wuhan Second Ship Design and Research Institute; and Zhiqiang Qiu, Wuhan Second Ship Design and Research Institute
Poster

#41 - Design and CFD Analysis of Centrifugal Compressor and Turbine for Supercritical CO₂ Power Cycle Vishal Mehta, Nabros Pharma PVT LTD; Ashish Chaudhary, Nabros Pharma PVT LTD; Yagnesh Trivedi, Nabros Pharma PVT LTD; Amit Mulchand, Nabros Pharma PVT LTD; Haresh Chauhan, Nabros Pharma PVT LTD; Punit Dave, Nabros Pharma PVT LTD; Johnny Patel, Nabros Pharma PVT LTD; Amit Shah, Nabros Pharma PVT LTD; Vishal Mehta, Nabros Pharma PVT LTD; and Kishan Patel, Nabros Pharma PVT LTD
Poster

#47 - Optimal Design and Thermodynamic Analysis of Gas Turbine and Carbon Dioxide Combined Cycles Yue Cao, Xi'an Jiaotong University; Alexander Rattner, Pennsylvania State University; Jiangfeng Wang, Xi'an Jiaotong University; and Yiping Dai, Xi'an Jiaotong University
Poster

#63 - Numerical Study of Super-Critical Carbon Dioxide Flow in Stepped-Staggered Labyrinth Seals Yuyan Jiang, Institute of Engineering Thermophysics, Chinese Academy of Sciences; Yuming Zhu, Institute of Engineering Thermophysics, University of Chinese Academy of Sciences; Shiqiang Liang, Institute of Engineering Thermophysics, University of Chinese Academy of Sciences; Yongxian Guo, Institute of Engineering Thermophysics, University of Chinese Academy of Sciences; Peng Yue, Institute of Engineering Thermophysics, University of Chinese Academy of Sciences; and Chaohong Guo, Institute of Engineering Thermophysics, University of Chinese Academy of Sciences
Poster

#67 - Thermal system construction analysis for coal-fired power plants integrated with S-CO₂ Brayton cycle
Jinliang Xu, North China Electric Power University; Enhui Sun, North China Electric Power University
Poster

#69 - Oxidation Behavior of Fe- and Ni-base Alloys in Supercritical CO₂ and related Environments Eric Liese, National Energy Technology Laboratory; Gordon Holcomb, National Energy Technology Laboratory; Casey Carney, National Energy Technology Laboratory; Richard Oleksak, National Energy Technology Laboratory; Joseph Tylczak, National Energy Technology Laboratory; and Omer Dogan, National Energy Technology Laboratory
Poster

#73 - Computational Analysis of Seals for sCO₂ Turbomachinery and Experimental Planning Jeffrey Bennett, University of Virginia; Andres Clarens, ROMAC, University of Virginia; Brian Weaver, ROMAC, University of Virginia; Wisher Paudel, ROMAC, University of Virginia; Henry Spece, ROMAC, University of Virginia; and Cori Watson, ROMAC, University of Virginia
Poster

#74 - Planning for Grid Integration of sCO₂ Power Cycles using Capacity Expansion Models Jeffrey Bennett, University of Virginia; Andres Clarens, ROMAC, University of Virginia; Joseph DeCarolis, NC State University; and Clarie Trevisan, ROMAC, University of Virginia
Poster

#75 - Simulation of sCO₂ Recompression Brayton Cycles with Regenerators Evan Reznicek, Colorado School of Mines Department of Mechanical Engineering; and Robert Braun, Colorado School of Mines Department of Mechanical Engineering
Poster

#85 - Numerical Study of Mixing of a Supercritical Jet in a Supercritical Environment
Neil Sullivan, Embry-Riddle Aeronautical University; and Mark Ricklick, Embry-Riddle Aeronautical University
Poster

#88 - Supercritical Carbon Dioxide Brayton Power Cycle Primary Heater Design, Fabrication and Testing
Marc Portnoff, Thar Energy, LLC; and Lalit Chordia, Thar Energy, LLC
Poster

#98 - Design of Supercritical CO₂ Waste Heat Recovery System for Shipboard Applications Yoonhan Ahn, Korea Atomic Energy Research Institute; Han Seo, Korea Atomic Energy Research Institute; Jae Eun Cha, Korea Atomic Energy Research Institute; and Heung June Chung, Korea Atomic Energy Research Institute
Poster

#99 - Design of Prototype Supercritical CO₂ Superheater Heat Exchanger Han Seo, Korea Atomic Energy Research Institute; Jaemin Kim, Korea Atomic Energy Research Institute; Injin Sah, Korea Atomic Energy Research Institute; Yong-Wan Kim, Korea Atomic Energy Research Institute; Heungjun Chung, Korea Atomic Energy Research Institute; and Jae Eun Cha, Korea Atomic Energy Research Institute
Poster

#101 - Channel Structure Influence on the Thermal-Hydraulic Performance of Zigzag PCHE Yichao Gao, Xi'an Jiaotong University; Wenkai Xia, Xi'an Jiaotong Unvieristy,The Pennsylvania State Univeristy; Yaowu Huo, Xi'an Jiaotong University; and Yiping Dai, Xi'an Jiaotong University
Poster

#105 - Experimental Test Loop for Transcritical CO₂ Rankine Cycle Tests
Paolo Gaggero, Dev.Inn.Tech; Peppino Trevisani, Globaltherm; Eugenio Trevisani, Globaltherm; and Stefano Trevisani, Globaltherm
Poster

#106 - Effect of Inlet Conditions on Convective Heat Transfer in Submerged Axisymmetric s-CO₂ Impinging Jet for Next Generation Turbines Seon Ho Kim, Yonsei University; Taehyun Kim, Yonsei University; Namkyu Lee, Yonsei University; Minho Bang, Yonsei University; and Hyung Hee Cho, Yonsei University
Poster

#107 - An Integrated Techno-economic Modeling Tool for sCO₂ Brayton Cycles
Blake Lance, Sandia National Laboratories; and Thomas Drennen, Hobart and William Smith Colleges
Poster

#115 - The Effects of Pressure and Dilution on Turbulence-Chemistry Interaction inside sCO₂ Combustor
R V Manikantachari Kancherla, University of Central Florida; Scott Martin, Eagle Flight Research Center, Embry Riddle Aeronautical University, Daytona Beach, FL; Ladislav Vesley, University of Central Florida; Jose Bob Ren-Diaz, University of Central Florida; and Vasu Subith, University of Central Florida
Poster

#118 - Preliminary Design of a Supercritical Oxyfuel Combustor for a 10 MWe Turbine
Tim Allison, Southwest Research Institute; Shane Coogan, Southwest Research Institute; Karl Wygant, Hanwha Techwin; and Woosung Choi, Korea Electric Power Research Institute
Poster

#120 - Test rig for Characterizing Dynamic Performance of sCO₂-Lubricated Porous Carbon Bearings
Harley May, Texas A&M University Mechanical Engineering; Dr. Adolfo Delgado, Texas A&M University Mechanical Engineering; Drew Devitt, New Way Air Bearings; Cody Chancellor, Texas A&M University; and Jim Allen, New Way Air Bearings
Poster

#121 - Test-loop Design of the Supercritical CO₂ Power Cycle with an Axial Turbine Sung-Ho Park, Institute for Advanced Engineering; Dong-Ryul Rhim, Institute for Advanced Engineering; Munkyu Yoon, Institute for Advanced Engineering; Jung-Uk Shin, Institute for Advanced Engineering; and Jinil Kim, Institute for Advanced Engineering
Poster

#122 - High-Effectiveness, Compact, High Pressure And Low-Cost Supercritical CO₂ Recuperator—Performance, Bonding and Corrosion Resistance John Kelly, Altex Technologies Corporation; and Brandon Masuda, Altex Technologies
Poster

#123 - Learning Conditionally Calibrated Equations of State for Direct Fired sCO₂ Cycles with Deep Neural Networks David Freed, 8 Rivers Capital; Luke Vilnis, UMass Amherst CICS; Navid Rafati, 8 Rivers Capital; Joe Camilo, Duke University AMLL; and Andrew McCallum, UMass Amherst CICS
Poster

#128 - Design and Dynamic Simulation of a 200-kWth Laboratory sCO₂-Test Rig
Andreas Werner, TU Wien; Markus Haider, Technische Universität Wien; Gregor Klemencic, Technische Universität Wien; Helmut Leibinger, Zementwerk Hatschek; Thomas Fellner, Scheuch GmbH; Norbert Steinschaden, Zauner Group; Thomas Bergthaller, Salzburg AG; Stylianos Flegkas, Salzburg AG; and Tom Nowak, Maschinenfabrik Liezen
Poster

#132 - Flow of Supercritical CO₂ through a Converging-Diverging Nozzle Chang Hyeon Lim, Georgia Institute of Technology; Sandeep Pidaparti, Georgia Institute of Technology; Dorrin Jarrahbashi, Texas A&M University; and Devesh Ranjan, Georgia Institute of Technology
Poster

#137 - A Consideration for Trading Regenerator Size with Turbine Improved Efficiency in sCO₂ Systems to Enable a More Economical sCO₂ System Francis Di Bella, Concepts NREC; and James Pasch, Sandia National Laboratores
Poster

#140 - Pilot Scale Test Facility for Performance Evaluation of Compact Heat Exchangers Using Supercritical CO₂ as Working Fluid Kourosh Zanganeh, Natural Resources Canada, CanmetENERGY-Ottawa; Maria Abbassi, Natural Resources Canada, CanmetENERGY-Ottawa; John Najafali, Natural Resources Canada, CanmetENERGY-Ottawa; Ahmed Shafeen, Natural Resources Canada, CanmetENERGY-Ottawa; Ashkan Beigzadeh, Natural Resources Canada, CanmetENERGY-Ottawa; Amr Daouk, Carleton University; and Henry Saari, Carleton University
Poster

#145 - sCO₂ Cooling Performance in Turbomachinery Grant Musgrove, Southwest Research Institute
Poster

#156 - Development of Test Units for Open Channel Fluidized Particulate Heat Exchanger Clayton Nguyen, Georgia Institute of Technology; and Sheldon Jeter, Georgia Institute of Technology
Poster

#161 - Stress in Microchannel Heat Exchangers Headers Blake Lance, Sandia National Labs; and Matthew Carlson, Sandia National Labs
Poster

#164 - Development of a Supercritical CO₂ Heat Exchanger Test Facility for Waste Heat and Solar Thermal Applications Erfan Rasouli, University of California, Davis; Vinod Narayanan, University of California, Davis; Caton Mande, University of California, Davis; Eric Truong, University of California, Davis; and Matt Stevens, University of California, Davis
Poster

#166 - Air Performance Testing of a Wide-Range Centrifugal Compressor Stage for Supercritical CO₂ Power Cycles
Tim Allison, Southwest Research Institute; Shane Coogan, Southwest Research Institute; Karl Wygant, Hanwha Power Systems; Woosung Choi, Korea Electric Power Research Institute; and Jason Wilkes, Southwest Research Institute
Poster

#172 - Parameterized Study of Partially-Recuperated Supercritical CO₂ Power Cycle Performance Andrew Snyder, Peregrine Turbine Technologies; Don Parker, Peregrine Turbine Technologies; and David Stapp, Peregrine Turbine Technologies
Poster

#178 - An Integrally Geared sCO₂ Power Cycle Package for Waste Heat Recovery Applications
Robert Pelton, Hanwha Power Systems; Bhavesh Patel, Hanwha Power Systems; and Jonathan Bygrave, Hanwha Power Systems
Poster

#188 - Potential of Allam cycle with Natural Gas to Reduce Carbon Dioxide Emission in India Johnny Patel, Nabros Pharma PVT LTD; Amit Mulchand, Nabros Pharma PVT LTD; Punit Dave, Nabros Pharma PVT LTD; and Vishal Mehta, Nabros Pharma PVT LTD
Poster

#190 - Study of Flow and Heat Transfer of CO₂ at Supercritical Pressure Fangbo Li, Xi’an Jiaotong University; Binbin Pei, Xi’an Jiaotong University; Zhentao Chen, Xi’an Jiaotong University; and Bofeng Bai, Xi’an Jiaotong University
Poster

#191 - Atypical Fluid Behavior on the Liquid Side of the Saturation Line of CO₂ with Implications for Compressor Design Mark Anderson, Concepts NREC, LLC
Poster

#193 - Development of an Ultra-High Efficiency Wide-Range Integrally Geared Supercritical CO₂ Compander
Jason Wilkes, Southwest Research Institute; and Karl Wygant, Hanwha Power Systems
Poster

#194 - Development of a High Efficiency Hot Gas Turbo-expander and Low Cost Heat Exchangers for Optimized CSP Supercritical CO₂ Operation
J. Jeffrey Moore, Southwest Research Institute
Poster