Programme - Day 1: Poster Session

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The Poster Session is an integral part of the programme on the first day of the HTHP Symposium 2026. Earlier in the day, you’ll have the chance to hear a brief pitch from each poster presenter (session 1-3A), giving you an insight into the many innovative projects, technologies, and initiatives shaping the future of high-temperature heat pumps.

All posters will be available for viewing throughout both days, and you are encouraged to stop by the poster area at any time to explore the contributions. During the dedicated poster session on the first day, you’ll have the opportunity to network, enjoy a cold drink, and take part in lively discussions with presenters and fellow participants. Don’t miss this chance to exchange ideas and be inspired by the cutting-edge work driving the transition towards greener, decarbonised industrial processes.

Find out which experts and breakthrough initiatives you can connect with at the Poster Session below.

Programme - Day 1 (continued)

16.50 - 18.00 Poster Session and Networking

Session 1-5A
Room: Balcony 3 & 4

Heat Pump Integration

• A Novel Hybrid System for Medium-Temperature Industrial Steam: Techno-Economic Performance across European Climates
  P. Saini (DU, Absolicon) C. Arpagaus (OST), F. Bless(OST)​
  
  
• An innovative tool for HTHP integration in industrial processes
  A. Patti (Unige), S. Barberis (Unige), A. Traverso (Unige)​

• Applications of the Analytical Solution to Optimal Heat Pump Integration
  J. Walden (DTU), R. Padullés (DTU), J. K. Jensen (DTU)​
  
  
• Optimizing Paper Drying with High-Temperature Heat Pumps: Integration Challenges and Research Directions 
  O. A. A. Awan (Modell Fabrik), J. Lunewski (Modell Fabrik), I. Kuperjans (NOWUM), P. Bekaert (Modell Fabrik)​
  
  
• IEA IETS Task XXIV – Process Integration for Industry Decarbonization
  S. Pathiraja (DTI), N. A. Kermani (DTU), R. Padullés (DTU), B. Zühlsdorf (DTI)​

Technology Benchmarking and System Design

• Techno-Economic Analysis of a High Temperature Stirling Heat Pump for Spray Drying Applications
  M. Sanclemente (KTH), P. Kumavat (KTH), D. Balzarini (KTH)

• High-Temperature Heat Pumps for Industrial Use – Benchmarking Refrigerants and Efficiency Limits 
  C. Arpagaus (OST), PM. Bever (OST), F. Bless (OST), S. S. Bertsch (OST)​
  
  
• Development of a Low-GWP Refrigerant Portfolio for Optimized Transcritical High-Temperature Heat Pumps for 100-250 °C Industrial Heat Supply
  A. Forés-Palanques (ISTENER), CM. Udroiu-Bucur (ISTENER), P. Giménez-Prades (ISTENER), G. Alarnaot-Alarnaout (ISTENER), J. Navarro-Esbrí (ISTENER), A. Mota-Babiloni (ISTENER)​

• Mapping Ejector Potential in Hydrocarbon High-Temperature Heat Pumps
  C. Tammone (DTI), P. J. E. Delêtre (DTI), J. Kristófersson (DTI)​
  
  
• Numerical Study of Bearing Leakage and Liquid Injection in Industrial Heat Pumps 
  R. Tassenoy (UGhent), E. Vieren (UGhent), T. Huyghe (UGhent), J. Raeymackers (UGhent), K. Couvreur (UGhent), M. De Peape (Ughent, Uni Cape), S. Lecompte (UGhent)​
  
  
• Data-Driven Prediction of Compressor Efficiency for High-Temperature Heat Pumps
  M. Babaei (Unige), M. K. Patel (Unige)

• Technical Challenges and Lessons Learned from High-Temperature Heat Pump Implementation:
  A Focus on Component Reliability and System Performance
  P.-J. E. Delêtre (DTI), M. P. Andersen (DTI), J. L. Poulsen (DTI), J. Kristofferson (DTI), B. Zühlsdorf (DTI)​

Steam Systems

• Design and Simulation of Reliable Desuperheating Methods for a Multi-Stage Oil-Free R718 Compressor for High-Temperature Heat Pumps
  K. Banasiak (SINTEF), J. R. Dowdell (SINTEF), Á. Á. Pardiñas (ITG)​

• Decarbonizing Industrial Process Heat: A Geothermal R718 High-Temperature Heat Pump for Rubber and Dairy Facilities
  V. Somasundaram (SDU), P. Gullo (SDU), O. M. Moe (SINTEF), J. R. Dowdell (SINTEF), S. Sannan (SINTEF), K. Banasiak (SINTEF), A. Zini (Uni Fi), L. Talluri (Uni Fi), A. Milazzo (Uni Fi), A. Rocchetti (Uni Fi), G. Vitri (Rivacold), F. Luchetti (Rivacold), M. Dallai (Dorin)​

• Testing of Steam Compressors for High-Temperature Heat Pump Applications
  N. Ahlbrink (DTI), B. Zühlsdorf (DTI), J. L. Poulsen (DTI), H. Madsbøll (DTI)​

• Two-Phase Water Ejectors for High-Temperature Heat Pumps: CFD Numerical and Experimental investigation
  O. A. Khass (DLR), M. Cristofaro (DLR), S. Klöppel (DLR), E. Nicke (DLR), P. Stathopoulos (DLR)​

Integration of Thermal Storage and Flexible Operation

• Design and Experimental Analysis of a Lab-Scale High Temperature Heat Pump Operating with Solid Thermal Energy Storage and for Steam Generation
  J. Spale (CVUT Uni), P. Smola (CVUT Uni), V. Novotny (CVUT Uni)​

• Comparisons of Thermal Performance and Cost for Three Thermal Energy Storage Systems Utilized in High Temperature Heat Pump
  T. Chang (XJTU), Y. Song (XJTU), F. Cao (XJTU)​

• Decoupling Steam Demand and Steam-Generating Heat Pump Dynamics Using Thermal Energy Storage
  D. Ruberg Nørhave (DTI), M. Herget Christensen (DTI), W. Meesenburg (DTI), B. Zühlsdorf (DTI), J. Kjær Jensen (DTU)​

• Flexible Heat Pump Operation with Thermal Energy Storage for District Heating Applications
  L. B. Anderson (SINTEF), H. Thon (SINTEF), O. M. Moen (SINTEF), H. Schüman (SINTEF)​

• Impact Evaluation of Intercooling Control on the Dynamic Performance of High Temperature Heat Pumps
  M. Evens (KU Leuven, Energy Ville), S. Lecompte (Ghent Uni), A. Arteconi KU Leuven, Energy Ville)​

• Techno-Economic Assessment of a High Temperature Stirling Heat Pump with Thermal Energy Storage with Solar Integration for Industrial Heat Generation
  M. Sanclemente (KTH SE), S. Trevisan (KTH SE), R. Guedez (KTH SE)​

• Model-based, techno-economic analysis of electricity market-optimized heat supply through high temperature heat pumps
  N. H. Petersen (RWTH), R. Sager (RWTH), M. Wirsum (RWTH)​

Zeotropic Working Fluid Mixtures​

• Composition-Adjustable Fluid Mixtures for Enhanced Performance of Reversible Heat Pump - ORC Systems
  M. Weitzer (FAU), H. Cortnum (FAU), N. Elhaus (FAU), J. Karl (FAU)

• Alternative Working Fluid Mixtures for High-Temperature Absorption/Compression Heat Pumps
  P. Stumm (Ruhr-Uni), K. Grübe1 (Ruhr-Uni), C. Doetsch (Ruhr-Uni)​

• Advanced Heat Pump Cycles with Natural Refrigerant Mixtures
  C. Fleßner (TLK), H. H. Khab Bin (TLK), W. Tegethoff (TUB)​

• Double Effect High Temperature Reverse Cycle for Milk Industrial Processing: performance evaluation of CO2-Based Mixtures
  A. Zini (Uni Fi), G. Vaccaro (Uni Fi), L. Talluri (Uni Fi)​

• Energy and Thermal Characterization of R744/HC Zeotropic Blends for High-Temperature Heat Pumps
  K. M. Mesheshaa (Uni Lim), D. Newporta (Uni Lim), R. Grimesa (Uni Lim)​

• High-Efficiency High-Temperature Heat Pumps with Refrigerant Blends for Temperature Glide Applications
  L. P. M. Brendel (OST), C. Arpagaus (OST), P. Lemke (OST), N. Lüchinger (OST), S. Bernal (OST), S. S. Bertsch (OST)​

Large-Scale Testing and Demonstration

• Demonstration of HTHP for Remote Industry and Grid Integration (HEAT RIG)
  F. D. Holdt (DTI), N. Ahlbrink (DTI)​

• Experimental Investigation of Large-Scale Hydrocarbon-Based HTHP Systems: Performance Evaluation of Isobutane and Butane with High-Capacity Piston Compressor Technology
  J. Kristófersson (DTI), P. J. E. Delêtre (DTI)​

Heat-Driven Systems

• Techno-Economics of H2O / LiCl + ZnCl2 Based Single Stage Absorption Heat Transformer
  R. Krishnadoss (NTNU), M. Codemo (Uni Pd),T. A. Adams II (NTNU)​

• Stirling Heat Pump for Low and High Temperatures with Thermic Operation
  G. Manolache (Engineer)​

Reversed Brayton Cycles and CO2 Cycles​

• Steam Heat, CO2 High Temperature Heat Pump
  L. Chordia (Thar), V. Vahdat (Thar), M. Portnoff (Thar), A. Amarnath (Epri)​

• Transcritical-Transcritical CO2 High-Temperature Heat Pump Cycle for Dairy Spray Dryers
  R. Engelbrecht (OST), C. Arpagaus (OST), S. Paranjape (OST), F. Bless (OST), D. Gstöhl (OST), L. Kong (Waikato), T. G. Walmsley (Waikato)​

• Techno-economic assessment of Brayton cycle heat pumps for combined heating and cooling production in industrial frying processes
  C. Vankelekom (Uni Mons), P. Stathopoulos (DLR), F. Demeyer (Engie), W. De Paepe (Uni Mons)​

• Study of a reverse Brayton cycle heat pump for industrial applications
  R. Gautier (CEA), T. Nicolas (CEA), K. Bhairapurad (Enogia), P. Dumoulin (CEA), M. Menoux (CEA), P Burnier (Enogia)​

• Investigation into the design and part-load behaviour of a high-temperature heat pump process using CO2 providing carbon-neutral industrial process steam
  L. Steinberg (Ruhr Uni), S. Glos (Siemens), R. Span (Ruhr Uni)​

• CO2 High-Temperature Heat Pump for Vegan Cheese & Dairy Alternatives
  C. Arpagaus (OST), F. Bless (OST), S. S. Bertsch (OST), C. Maibach (Newroots)​

• High-Temperature Heat Pump using CO2 as refrigerant for drying applications
  F. D. Holdt (DTI), J. L. Poulsen (DTI), L. Rasmussen (DTI), B. Zühlsdorf (DTI)​

Digitalization and Advanced Control Systems​

• Technical and Ecological Assessment of High-Temperature Heat Pumps with Model Predictive Control in Paper Manufacturing
  C. Kötting (RWTH Aachen), F. Will (RWTH Aachen), L.asse Jöhnk (RWTH Aachen), H. Romberg (RWTH Aachen), N. Kalter (RWTH Aachen), M. Mersch (RWTH Aachen), C. Vering (RWTH Aachen), D. Müller (RWTH Aachen)​ 

• Digital Services for High-Temperature Heat Pumps: Applications from Ongoing International Projects
  J. J. A. Prado (DTI), K. R. Kramer (DTI)​

Solid State Technologies​

• High-Temperature Solid-State Electrocaloric Heat Pump
  K. Klinar (Univ. of Ljubljana), A. Kitanovski (Univ. of Ljubljana)​

Advanced Manufacturing Methods​

• Leveraging Additive Manufacturing in the Development of Screw Compressors for High Temperature Heat Pumps
  A. J. Hoess (Purdue), R. B. Barta (Purdue), E. A. Groll (Purdue), D. Ziviani (Purdue)​

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