Thermodynamic comparison of cryogenic and membrane oxygen production for the supercritical NET power cycle

Bernhard Lube¹, Erhard Perz², Wolfgang Sanz¹

1: Graz University of Technology, Graz, Austria; 2: Simtech Simulation Technology, Graz, Austria

Thermodynamic benchmarking of sCO2 Allam cycle against alternative oxy-fuel cycles: a comparative analysis

Ihtishamul Haq, Andreas Werner, Markus Haider

IET, Vienna University of Technology, Vienna, AT

Off-design operative conditions of the Desolination CO2 blended power plant with constant inventory

Matyáš Junek, Ettore Morosini, Marco Astolfi, Giampaolo Manzolini

Politecnico di Milano, Italy

Off-design of a lab scale SCO2 based thermally integrated pumped thermal energy storage

Syed Safeer Mehdi Shamsi, Stefano Barberis, Simone Maccarini, Alberto Traverso

University of Genoa, Italy

Thermal characteristics of supercritical CO2 gas turbine cycles integrated with renewable methanol generation systems

Monika Sharevska, Maja Sharevska, Gerwin Hoogsteen, Johann Hurink, Artur Pozarlik, Yashar Hajimolana

University of Twente, The Netherlands

Systematic data-driven controller tuning for reliable and efficient offdesign operation of a recuperated sCO2 cycle over a wide range of power levels and ambient temperatures

Markus Hofer, Matthias Peiretti, Michael Buck, Jörg Starflinger

University of Stuttgart, Germany

An investigation of supercritical carbon dioxide in 1.5 mm horizontal channels at elevated thermal loads

Zachary James Jackson, Peter Ireland

University of Oxford, United Kingdom

Numerical Investigation of Header Design Parameters for Enhanced Flow Distribution in Minichannel Printed Circuit Heat Exchangers for Supercritical Carbon Dioxide Applications

Ahmad Ali Awais¹, Markus Hofer¹, Michael Buck¹, Sarah Tioual-Demange², Jörg Starflinger¹

1: University of Stuttgart, Germany; 2: FIVES Cryo, France

Thermofluid Network Simulation of a Natural Draft Direct Dry Cooling System for a 50 MWe sCO2 Power Cycle for CSP Application

Christoffel Hendrik van Niekerk, Johannes Petrus Pretorius, Ryno Laubscher

Stellenbosch University, South Africa

Mixed convection at supercritical pressures

Marko Draskic, Jerry Westerweel, Rene Pecnik

Department of Process & Energy, TU Delft, Netherlands, The

Experimental and numerical study of supercritical CO2 cooler

Giuseppe Petruccelli¹, Teemu Turunen-Saaresti¹, Damien Serret², Aki Grönman¹, Aurélien Conrozier², Amir Momeni Dolatabadi¹

1: LUT University, Finland; 2: TEMISTh SAS, France

Dynamic Analysis of CO2-SO2 Recompression Rankine Cycle Using Waste Heat

Matěj Jeřábek¹, Václav Dostál¹, Lorenzo Cosi², Emanuela Alfarano², Francesco Fantozzi³

1: Czech technical university in Prague, Czech Republic; 2: Baker Hughes; 3: University of Perugia

sCO2 waste heat recovery system optimization for electric arc furnaces exhaust stream

Ladislav Vesely¹, Logan Rapp², Jayanta Kapat¹

1: University of Central Florida, United States of America; 2: Sandia National Laboratories

Development of 2MW sCO2 power system for waste heat recovery at KEPCO

Beomjoo Kim¹, Cheolhee Lee¹, Seungho Ryu¹, Joongmyeon Bae²

1: KEPCO (Korea Electric Power Corporation), Korea, Republic of (South Korea); 2: Korea Advanced Institute of Science and Technology, Korea, Republic of (South Korea)

Challenges in scaling sCO2 compressor speedline to different intake thermodynamic conditions

Alessandro Romei, Giacomo Persico

Politecnico di Milano, Italy

Desolination Project sCO2 Axial Expander development

Lorenzo Cosi, Andrea Paggini, Tommaso Diurno, Andrea Nenciolini, Lorenzo Lunghi

Baker Hughes, Italy

Computation of Performance Maps for Centrifugal Compressors in Supercritical CO2 Applications: Influence of Two-Phase Flow on choking mass flow rate

Sebastian Schuster¹, Michael Wannek², Dieter Brillert¹

1: University of Duisburg-Essen, Germany; 2: Siemens Energy Duisburg, Germany

Analysis and design of an ultra-high temperature heat pump using CO2 providing carbon-neutral industrial heat

Lukas Steinberg¹, Stefan Glos², Niclas Adelt², Dominic Schlehuber², Roland Span¹

1: Ruhr-University Bochum, Germany, Germany; 2: Siemens Energy, Mülheim an der Ruhr, Germany

Transcritical CO2+Fluorobenzene High-Temperature Heat Pumps Thermally Integrated with Air Separation Unit Systems: Mixture Bubble Points Measurements and Cycle Analysis

Michele Doninelli¹, Mattia Baiguini^1,2, Vladimir Naumov¹, Gioele Di Marcoberardino¹, Paolo Giulio Iora¹

1: University of Brescia, Italy; 2: IUSS Pavia

A case study of using sCO2 equipment in different geothermal energy systems: AGS, EGS and CPG

Morteza Esmaeilpour¹, Christopher Schifflechner², Nicolas Rangel Jurado¹, Tsubasa Onishi¹, Daniel Pokras¹, Jasper de Reus¹, Sebastian Köhlert³, Martin O. Saar¹

1: Chair of Geothermal Energy and Geofluids, Department of Earth and Planetary Sciences, ETH Zurich; 2: Chair of Energy Systems, School of Engineering and Design, Technical University of Munich; 3: MAN Energy Solutions Schweiz AG, Switzerland

The Development of an sCO2 Test Facility for Particle-to-sCO2 Heat Exchanger Performance Evaluation

Bryan J. Siefering¹, Muhammad Umer¹, Ellen B. Stechel², Brian M. Fronk¹

1: The Pennsylvania State University, United States of America; 2: Arizona State University, United States of America

Design challenges and preliminary test results of a high temperature supercritical carbon dioxide dry gas seal test rig

Abdelrahman Abdeldayem, Sajal Kissoon, Eduardo Anselmi Palma

Faculty of Engineering and Applied Sciences, Cranfield University, United Kingdom

Results of the project "Purification and purity control of CO2 gas in power cycles - CiCiMe"

Jan Berka^1,2, Tomáš Hlinčík², Karel Dočkal¹, Jiří Vávrovec¹, Jan Hásek¹, Patricie Halodová¹, Alice Vágenknechtová², Viktor Tekáč², Jan Vít¹, Kamil Sobek¹, Lucia Rozumová¹

1: Centrum výzkumu Řež s.r.o., Czech Republic; 2: University of Chemistry and Technology Prague, Czech Republic

A simple high-temperature CO2 heat pump cycle for hot air production

Steffen Klöppel

German Aerospace Agency, Germany

Microstructure and corrosion behavior of the coatings based on brazing process on 316Ti and 253MA steel with aluminum-based coating

Lucia Rozumová¹, Tereza Válková^1,2

1: Centrum výzkumu Řež s.r.o., Czech Republic; 2: VŠCHT University of Chemistry and Technology Prague, Czech Republic

First year of the SCO2OP-TES project - SCO2 operating pumped thermal energy storage for grid/industry cooperation

Stefano Barberis, Safeer Mehdi Shamsi, Simone Maccarini, Alberto Traverso

Thermochemical Power Group, Department of Mechanical Engineering, University of Genova

Recent advances in SCO2 applications and equipment for energy systems

Abhishek Kumar, Shou-Yin Yang

National Formosa University, Yunlin-632, Taiwan

Visualisation Method for the Analysis of Thermodynamic Processes in CO₂ Based Thermodynamic Cycles

Réka Kustán¹, Attila R. Imre^1,2

1: Budapest University of Technology and Economics, Hungary; 2: Nuclear Safety Department, HUN-REN Centre for Energy Research, Hungary

A newly developed setup to study heat transfer with sCO2 at CERN

Camila Rocio Pedano Medina^1,2,3, Paolo Petagna¹, Susanne Mall-Gleissle²

1: CERN, CH; 2: Offenburg University of Applied Sciences, DE; 3: Karlsruhe Institute of Technology, DE

Techno-economic analysis of CO2 impurities' impact on an sCO2 system performance

Thiago Gotelip Correa Veloso, Oliver Paulick, Uwe Gampe, Andreas Jäger

Technische Universität Dresden, Germany

A systematic analysis of the thermofluid network modelling methodology for CO2 power cycles based on different fluid property assumptions

Pieter Rousseau, Ryno Laubscher

Stellenbosch University, South Africa

The potential of dimethyl ether in sustainable power generation - thermodynamic analysis of two oxy-combustion power cycles with integrated carbon capture and purification

Ghadi Abi Haidar¹, Philipp Morsch¹, Andreas Peschel^1,2

1: Forschungszentrum Jülich GmbH, Institute for a Sustainable Hydrogen Economy (INW-4), Jülich, DE; 2: 2 RWTH Aachen University, Aachener Verfahrenstechnik, Process and Plant Engineering for Chemical Hydrogen Storage, Aachen, DE

Investigating the dynamic possibilities of a nuclear sCO2 power conversion cycle for naval implementation

Tom Wien^1,3, Gert-Jan Meijn², René Pecnik³, Jurriaan Peeters³

1: Royal Netherlands Navy; 2: Damen Naval, Vlissingen, The Netherlands; 3: Delft University of Technology, The Netherlands

Control Analysis of ARC-100 Reactor with sCO2 Cycle

Anton Moisseytsev

Argonne National Laboratory, United States of America

Thermodynamic design and analysis of closed-loop CO2 power cycle for fusion power plant

Dhinesh Thanganadar¹, Jacob Connors², Jack Acres¹

1: UK Industrial Fusion Solutions Ltd; 2: UK Atomic Energy Authority, United Kingdom

High temperature nuclear cogeneration utilizing supercritical CO2 for enhanced thermal efficiency

Babras Khan¹, Jan Stepanek², Vaclav Dostal²

1: Czech Technical University, Czech Republic; 2: Czech Technical University, Czech Republic

Optimization of the integration of fluidized bed particle heat exchanger in sCO2-based solar tower plants

Simone Girelli, Dario Alfani, Marco Astolfi, Marco Binotti, Paolo Silva

Politecnico di Milano, Italy

Comparison of sCO2, CO2 mixture, and steam Rankine cycles for CSP with components sizing: implications for cost and flexibility

Vladimir Naumov¹, Eylül Gedik², Nils Petersen², Gioele Di Marcoberardino¹, Paolo Iora¹, Manfred Wirsum²

1: University of Brescia, Brescia, Italy; 2: RWTH Aachen University, Aachen, Germany

Development of a Dry Gas Seal for turbomachinery in high-temperature supercritical carbon dioxide applications

Jakson Andretta¹, Felix Meier¹, Benjamin Hellmig¹, Andreas Fesl¹, Petia Philippi¹, Armin Laxander¹, Thomas Kerr²

1: EagleBurgmann Germany, Germany; 2: Southwest Research Institute San Antonio, TX, USA

Preliminary design and sensitivity analysis of centrifugal compressor train for a 50 MWe SCO2 Brayton power cycle for CSP applications

Caroline De villiers, Ryno Laubscher, Pieter Rousseau, Johannes Pretorius

Stellenbosch University, South Africa

Design and testing of a compressor and turbine for a 2MW sCO2 Power System in Waste Heat Recovery Applications

Beomjoo Kim¹, Cheolhee Lee¹, Joongmyeon Bae²

1: Korea Electric Power Corporation Research Institute Daejeon, SK; 2: Korea Advanced Institute of Science and Technology Daejeon, Sk

Low- and high-fidelity modeling of the flow in a multi-stage axial turbine for supercritical carbon dioxide power systems

Muhammad Nouman Saleem¹, Andrea Paggini², Lorenzo Cosi², Giordana Marcon², Giacomo Persico¹

1: Politecnico di Milano, Italy; 2: Baker Hughes, Nuovo Pignone, Italy

Supercritical carbon dioxide externally pressurized porous media bearings

Darryn Fleming¹, Dave Dewis², Drew Devitt³, Logan Rapp¹

1: Sandia National Laboratories, US; 2: Dewis Consulting Bath, US; 3: New Way Air Bearings Aston, US

Detailed Design and Techno-Economic Assessment of a Transcritical CO2-Based Carnot Battery System for Long Duration Energy Storage

Simone Girelli, Ettore Morosini, Dario Alfani, Marco Astolfi

Politecnico di Milano, Italy

CO2 transport and geological storage under supercritical conditions: preliminary study of the integration with renewable electrothermal energy storage

Andres Carro¹, Julio Carneiro^2,3, Sebastian Unger⁴, Paulo Mesquita², Stefan Fogel⁴, Ricardo Chacartegui^1,5

1: Universidad de Sevilla, Spain; 2: Universidade de Évora, Évora, Portugal; 3: Converge!. Lda, Évora Portugal; 4: Helmholtz-Zentrum Dresden-Rossendorf, Dresden, Germany; 5: Laboratory of Engineering for Energy and Environmental Sustainability, Sevilla, Spain

Brayton Cycle Using sCO2 Mixtures as Working Fluid for Pumped Thermal Energy Storage. Exergy and Cost Analysis.

Paul M Tafur-Escanta², Robert M Valencia-Chapi², Javier Muñoz-Antón¹, Javier Rodríguez-Martín¹

1: Universidad Politécnica de Madrid, Spain; 2: Universidad Técnica del Norte, Ecuador

Experimental study on S-shaped fins for high heat flux cooling with supercritical CO2

Ryan Ghent, Peter Ireland, Zachary Jackson

University of Oxford, United Kingdom

An investigation on heat transfer deterioration in a tube using supercritical CO2

Amir Momeni Dolatabadi, Giuseppe Petruccelli, Seyed Ehsan Rafiee, Aki Grönman, Teemu Turunen-Saaresti

LUT university, Finland

Thermofluid design and off design performance of an air cooled heat exchanger system for a 50 MWe sCO2 CSP Plant

Colin Francois du Sart¹, Pieter Rousseau²

1: University of Cape Town, South Africa; 2: Stellenbosch University, South Africa

Simple is beautiful - the concept of a bare-bone transcritical CO2 cycle to generate power from "low-temperature and small heat flux" sources

Attila R. Imre

Department of Energy Engineering, Faculty of Mechanical Engineering, Budapest University of Technology and Economics, Budapest, HU

Performance assessment of sCO2- and organic fluid based cycles integrated with LNG gasification plants

Vittorio Tola¹, Francesco Gerani¹, Matteo Marchionni¹, Matthias Finkenrath²

1: University of Cagliari, Cagliari, IT; 2: Kempten University of Applied Sciences, Kempten, DE

Energy and Exergy Performance of Hydrogen Turbine Coupled with Partial Heating Supercritical Carbon Dioxide Cycle

Hafiz Ali Muhammad¹, Seunghyeon Jo¹, Beomjoo Kim², Young Duk Lee¹

1: Korea Institute of Energy Technology, Republic of (South Korea); 2: Korea Electric Power Corporation Research Institute, Republic of (South Korea)

Coupling of Molten Salt and Supercritical CO₂ Circuits: Design and Operational Experience

Daniel Kriz, Tomas Melichar, Radomir Filip, Jan Hasek

Research Centre Rez, Czech Republic

Experimental investigation of the power production cycle in a CO2 based electrothermal energy and geological storage system

Sebastian Unger¹, Stefan Fogel¹, Peter Schütz¹, Ricardo Chacartegui Ramirez², Andres Carro², Márton Pál Farkas³, Cornelia Schmidt-Hattenberger³, Uwe Hampel^1,4

1: Helmholtz-Zentrum Dresden-Rossendorf (HZDR), Germany; 2: Universidad de Sevilla, Sevilla, Spain; 3: GFZ German Research Centre for Geosciences, Potsdam, Germany; 4: Dresden University of Technology, Dresden, Germany