Conference Agenda

Overview and details of the sessions of this conference. Please select a date or location to show only sessions at that day or location. Please select a single session for detailed view (with abstracts and downloads if available).

 
 
Session Overview
Date: Wednesday, 09/Apr/2025
5:00pm
-
7:00pm
Reception and Registration
Location: Old City Hall Delft, Markt 87, 2611 GS Delft, Netherlands
Reception with soft drinks, wine, beer, snacks
Date: Thursday, 10/Apr/2025
8:45am
-
9:00am
Registration
Location: Foyer, Mechanical Engineering, TU Delft
9:00am
-
9:15am
Welcome
Location: Lecture Room A - Leonardo da Vinci
Chair: Rene Pecnik, Dieter Brillert
9:15am
-
10:00am
Keynote 1: STEP - Development, Commissioning, and Testing of a 10 MWe sCO2 Power Cycle; Jeff Moore (SWRI, United States)
Location: Lecture Room A - Leonardo da Vinci
Chair: René Pecnik
10:00am
-
10:30am
Coffee Break
Location: Foyer, Mechanical Engineering, TU Delft
10:30am
-
12:30pm
Applications: General (1)
Location: Lecture Room A - Leonardo da Vinci
Chair: Marco Astolfi
Chair: Andreas Werner
 
10:30am - 10:50am

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



10:50am - 11:10am

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



11:10am - 11:30am

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



11:30am - 11:50am

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



11:50am - 12:10pm

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



12:10pm - 12:30pm

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

Heat transfer (1)
Location: Lecture Room B - Isaac Newton
Chair: Jörg Starflinger
Chair: Jurriaan Peeters
 
10:30am - 10:50am

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



10:50am - 11:10am

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



11:10am - 11:30am

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



11:30am - 11:50am

Mixed convection at supercritical pressures

Marko Draskic, Jerry Westerweel, Rene Pecnik

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



11:50am - 12:10pm

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

12:30pm
-
1:50pm
Lunch and Group Photo
Location: Foyer, Mechanical Engineering, TU Delft
Group Photo at 1:30pm (meet at the entrance of lecture room B)
1:50pm
-
2:40pm
Panel 1: Heat Exchangers - Future Developments, Technological Evolutions
Location: Lecture Room A - Leonardo da Vinci
Chair: Albannie Cagnac
Panel members: Sarah Tioual-Demange, Fives Cryo, France; Renaud Le Pierres, Parker FES, Heatric Division of Meggitt Limited, United Kingdom; Damien Serret, Temisth, France
2:40pm
-
2:45pm
Short Break
2:45pm
-
3:45pm
Applications: Waste Heat Recovery
Location: Lecture Room A - Leonardo da Vinci
Chair: Otakar Frybort
 
2:45pm - 3:05pm

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



3:05pm - 3:25pm

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



3:25pm - 3:45pm

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)

Turbomachinery (1)
Location: Lecture Room B - Isaac Newton
Chair: Dieter Brillert
 
2:45pm - 3:05pm

Challenges in scaling sCO2 compressor speedline to different intake thermodynamic conditions

Alessandro Romei, Giacomo Persico

Politecnico di Milano, Italy



3:05pm - 3:25pm

Desolination Project sCO2 Axial Expander development

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

Baker Hughes, Italy



3:25pm - 3:45pm

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

3:45pm
-
4:15pm
Coffee Break
Location: Foyer, Mechanical Engineering, TU Delft
4:15pm
-
5:15pm
Applications: Heat Pumps and Geothermal
Location: Lecture Room A - Leonardo da Vinci
Chair: Paolo Silva
 
4:15pm - 4:35pm

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



4:35pm - 4:55pm

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

Michele Doninelli1, Mattia Baiguini1,2, Vladimir Naumov1, Gioele Di Marcoberardino1, Paolo Giulio Iora1

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



4:55pm - 5:15pm

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

Experiments and Loops (1)
Location: Lecture Room B - Isaac Newton
Chair: Uwe Gampe
 
4:15pm - 4:35pm

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



4:35pm - 4:55pm

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



4:55pm - 5:15pm

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

Jan Berka1,2, 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

6:30pm
-
10:30pm
Gala Dinner
Location: New Church (Nieuwe Kerk), Markt 80, 2611 GW Delft, Netherlands
Date: Friday, 11/Apr/2025
8:45am
-
9:00am
Registration
Location: Foyer, Mechanical Engineering, TU Delft
9:00am
-
9:45am
Keynote 2: EU Projects; Rafael Guedez Mata (KTH Royal Institute of Technology, Sweden)
Location: Lecture Room A - Leonardo da Vinci
9:45am
-
10:30am
Coffee Break and Poster Session
Location: Foyer, Mechanical Engineering, TU Delft
During the coffee break, you are encouraged to join the poster session, where researchers will present and discuss their work in an interactive setting. Poster boards will be provided. Presenters are encouraged to stand by their posters during the session to discuss their work and answer questions.
 

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 Válková1,2

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. Imre1,2

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 Medina1,2,3, 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 Peschel1,2

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

10:30am
-
12:30pm
Applications: Nuclear and Solar
Location: Lecture Room A - Leonardo da Vinci
Chair: Vaclav Dostal
Chair: Jurriaan Peeters
 
10:30am - 10:50am

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

Tom Wien1,3, Gert-Jan Meijn2, René Pecnik3, Jurriaan Peeters3

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



10:50am - 11:10am

Control Analysis of ARC-100 Reactor with sCO2 Cycle

Anton Moisseytsev

Argonne National Laboratory, United States of America



11:10am - 11:30am

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



11:30am - 11:50am

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



11:50am - 12:10pm

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



12:10pm - 12:30pm

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

Turbomachinery (2)
Location: Lecture Room B - Isaac Newton
Chair: Teemu Turunen-Saaresti
Chair: Giacomo Persico
 
10:30am - 10:50am

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



10:50am - 11:10am

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



11:10am - 11:30am

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



11:30am - 11:50am

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



11:50am - 12:10pm

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

12:30pm
-
1:30pm
Lunch
Location: Foyer, Mechanical Engineering, TU Delft
1:30pm
-
2:30pm
Panel 2: Turbomachinery; Technologies in Current and Next-Generation Plants
Location: Lecture Room A - Leonardo da Vinci
Chair: Paolo Silva
Panel members: Stefan Glos, Siemens Energy, Germany; Štěpán Šmida, Doosan Škoda Power, Czechia; Andrea Paggini, Baker Hughes-Nuovo Pignone, Italy; Sebastiano Mauri, MAN Energy Solutions, Switzerland
2:30pm
-
2:35pm
Short Break
2:35pm
-
3:35pm
Applications: Energy Storage
Location: Lecture Room A - Leonardo da Vinci
Chair: Marco Astolfi
 
2:35pm - 2:55pm

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



2:55pm - 3:15pm

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

Andres Carro1, Julio Carneiro2,3, Sebastian Unger4, Paulo Mesquita2, Stefan Fogel4, Ricardo Chacartegui1,5

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



3:15pm - 3:35pm

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

Heat transfer (2)
Location: Lecture Room B - Isaac Newton
Chair: Renaud Le Pierres
 
2:35pm - 2:55pm

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



2:55pm - 3:15pm

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



3:15pm - 3:35pm

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

3:35pm
-
4:00pm
Coffee Break
Location: Foyer, Mechanical Engineering, TU Delft
4:00pm
-
5:00pm
Applications: General (2)
Location: Lecture Room A - Leonardo da Vinci
Chair: René Pecnik
 
4:00pm - 4:20pm

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



4:20pm - 4:40pm

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



4:40pm - 5:00pm

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)

Experiments and Loops (2)
Location: Lecture Room B - Isaac Newton
Chair: Marko Draskic
 
4:00pm - 4:20pm

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



4:20pm - 4:40pm

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 Hampel1,4

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

5:00pm
-
5:15pm
Closing Session
Location: Lecture Room A - Leonardo da Vinci
Chair: Rene Pecnik, Dieter Brillert

 
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