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Virtual Lobby
Welcome to the virtual lobby for IIR Conference on Compressors and Refrigerants!
Click here to download the abstract proceedings.
Here you can choose from one of the sessions below and join the presenters at the planned time slots. You will also be able to access recorded presentations after the conference.
All times are given in Central European Time.9.9.2024
Plenary session
auditorium, S2, chaired by Peter Tomlein, 15:00 – 18:00
Príspevky |
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Challenges of the COP 28 and the National Cooling Action Plans |
Presented by Didier Coulomb, Director |
Why clean cooling is the preferred solution in Norway |
Presented by Armin Hafner, Prof. Dr.-Ing. |
What will the future be for the refrigeration and heat pump technology? |
Presented by Alexander Cohr Pachai |
Decarbonizing mid-size industrial application with large scroll compressors: vision and challenges |
Presented by Ivan Rangelov |
The Feasibility of a Global Net Zero for RACHP in 2050: Analyzing the Impact of Main Factors Involved |
Presented by Natasha Kochova |
ARE THE PRODUCT SAFETY STANDARS READY TO ALLOW IMPLEMENTATION OF UPDATED F-GAS REGULATIONS FOR COMMERCIAL REFRIGERATION? |
Presented by Marek Zgliczynski |
Compressors and refrigerants in electronic logbook "Leaklog" |
Presented by Michal Tomlein, Ing. |
Professor Aurel Stodola, Polymath and big personality. Commemorative Medals of Aurel Stodola will be awarded |
Presented by Ľubomír Šoóš, Prof. Dr. h.c. |
10.9.2024
Heat pumps I
auditorium S3, 1. floor, chaired by Alex Cohr Pachai, 09:00 – 10:30
Príspevky |
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Design and control strategy of an innovative CO2 residential monoblock heat pump for domestic hot water |
Presented by Claudia FIABANE |
High Temperature Heat pump applications for industrial processes |
Presented by Ivan Rangelov |
How changes in lubricant can address challenges associated with hydrocarbon refrigerant High Temperature Heat Pumps (HTHP) |
Presented by Manuel Muñoz Alonso |
It’s Getting Hot in Here: Lubricant Considerations for Heat Pumps |
Presented by Kelsey Carter, Ph.D. |
Refrigerant charge and performance of a heat pump compressor using natural refrigerant mixtures – Experimental investigations and modeling |
Presented by Matteo Caramaschi |
Reciprocating compressors I
auditorium S2, 1.floor, chaired Cesar Deschamps, 09:00 – 10:30
Príspevky |
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Hermetic compressor valve robust design assessment |
Presented by Mattias da Silva Castro |
Thermocouple influence on Heat Transfer Coefficient measurement |
Presented by Jiří Hejčík, Ing. PhD. |
Characterizing Sources of Volumetric Inefficiency in Reciprocating Compressors |
Presented by Larissa M. Santos, M.Sc. |
Quantifying Inefficiencies in Variable-Speed Reciprocating Compressors: An Exergy Approach |
Presented by Iana M. Araujo, M.Sc. |
A Modelica-Based Framework for Thermal Simulation and Performance Analysis of Hermetic Reciprocating Compressors |
Presented by João P. O. Freitas, M.Sc. |
Compressors and technologies
auditorium S3, 1. floor, chaired by Armin Hafner, 11:00 – 12:30
Príspevky |
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Analysis of methods to improve the energy efficiency for sustainable marine solutions |
Presented by Mykhailo Khmelniuk, Doctor of Technical Sciences |
Analysis of various refrigerants in lower condensing temperatures in a hybrid adsorption-compression refrigeration system |
Presented by Marcin Borcuch, PhD |
Conceptual design of a transcritical heat pump with CO2 refrigerant for wastewater heat recovery application research |
Presented by Jozef Jandačka, prof. Ing. PhD. |
Open Source Software for Pulsation Analysis of Pipeline Systems |
Presented by Olavo M. Silva, PhD |
Prototype of eutectic refrigeration system working with R1270 refrigerant |
Presented by Lukas Prakopavičius, MEng |
Thermosyphon ice storage using pillow-plate heat exchangers: Experimental investigation |
Presented by Armin Hafner |
Reciprocating compressors II
auditorium S2, 1. floor, chaired by Ramón Cabello López, 11:00 – 12:30
Príspevky |
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Heat powered adsorption compressors for refrigeration and air-conditioning applications. |
Presented by Sujod Iraqi, MSc |
CO2 doped blends: experimental performance impact on semihermetic compressor |
Presented by Manel Martínez-Ángeles, Phd student |
Isothermal gas compression and expansion processes by controlling actuators |
Presented by Török Arpad, researcher |
Performance analysis of a semihermetic reciprocating compressor for different CO2-based mixtures |
Presented by Ramón Cabello López, Full Professor |
DOMESTIC REFRIGERATORS SINGLE-PHASE ASYNCHRONOUS MOTORS DYNAMIC CHARACTERISTICS SIMULATION |
Presented by Yurii Baidak, DSc |
Meeting of commissions B1, B2, E1, E2
an elevated auditorium in the main lobby, chaired by Peter Tomlein, 12:30 – 13:30
Príspevky |
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IIR activities, commissions B1 and 2, E1 and E2 |
Presented by Didier Coulomb, Director |
The future of technology research and development |
Presented by Alexander Cohr Pachai |
Rotary, scroll, screw, ... compressors I
auditorium S2, 1. floor, chaired by Cesar Deschamps, 13:30 – 15:00
Príspevky |
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Bayesian-Inference Identification of Degradation Parameters for a Water-Cooled Variable Speed Screw Chiller |
Presented by Andreas J. Hoess |
Compressor durability evaluation with the R-1132(E) based refrigerant R-474A for high-efficient and high-performant BEV heat pump systems |
Presented by Christian Macrì |
Development of a Semi-Physical Model for Screw Compressors for Optimal High-Temperature Heat Pump Design |
Presented by Anna Halle, M.Sc. |
Experimental assessment of oil free liquid injection twin screw compressor for high temperature industrial applications |
Presented by Khalid Hamid |
R744 trans-critical turbo-compressor configurations @ -50℃ |
Presented by Stefanie Blust |
Special compressors and components I
auditorium S3, 1. floor, chaired by Oliver Javerschek, 13:30 – 15:00
Príspevky |
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Active shading system as a reduction of building cooling requirements |
Presented by Michal Masaryk, prof., Ing., PhD. |
EXPERIMENTAL INVESTIGATION OF A TWO-PHASE EJECTOR IN APPLICATION TO PROPANE SYSTEMS |
Presented by Dariusz Butrymowicz |
EXPERIMENTAL INVESTIGATIONS OF HYBRID VAPOUR COMPRESSION-EJECTION REFRIGERATION SYSTEM |
Presented by Dariusz Butrymowicz, Prof. |
R744 HEAT PUMPS WITH EJECTORS: PROJECTS, OBJECTIVES AND RESULTS |
Presented by Oliver Javerschek |
Small water ejector chiller with on-off operated pump |
Presented by Samuel Mališek, Ing. |
Special compressors and components II
auditorium S3, 1. floor, chaired by Dariusz Butrymowicz, 15:15 – 16:00
Príspevky |
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EXPERIMENTAL ASSESSMENT OF WASTE HEAT UTILISATION IN MARINE AIR CONDITIONING UNIT |
Presented by Dariusz Butrymowicz, Prof. |
Intermarché with an R744 Ejector booster system operating 24/7/365 |
Presented by Krzysztof Banasiak, PhD |
INVESTIGATION OF R744 AC & HEAT PUMP SYSTEMS FOR ELECTRIC VEHICLES WITH EJECTORS |
Presented by Reza Niroomand, Ph.D. |
Theoretical Analysis on the Thermal Performance of R600a, R290 and Their Mixtures in a Retrofit R134a Vapor Compression Refrigeration System |
Presented by ZHONGJIE HUAN, PhD: Thermal Engineering |
Rotary, scroll, screw, ... compressors II
auditorium S2, 1. floor, chaired by Cesar Deschamps, 15:15 – 16:00
Príspevky |
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Design and Validation of Suction Vapor Quality Determination and Control Method for Compressor Performance Measurement under Two Phase Suction Conditions |
Presented by Wang Kan, Master |
Development of R-1132(E) mixed refrigerants |
Presented by Tomoyuki Goto |
HIGH SPEED DYNAMIC COMPRESSORS IN REFRIGERATION SYSTEMS: OVERVIEW OF RECENT DEVELOPMENT |
Presented by Ján Tuhovčák, Ph.D |
VARIABLE-SPEED COMPRESSOR RATINGS DISPLAYED WITHIN SINGLE THIRD-DEGREE POLYNOMIAL FUNCTION |
Presented by Tobias Guth, M.Sc. |
State of the art of miniature compressors |
Presented by Mihael Blatnik, MSc |
11.9.2024
Compressors and oils
auditorium S3, 1. floor, chaired by Kelsey Carter, 09:00 – 10:30
Príspevky |
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A NOVEL MODELLING APPROACH FOR THERMODYNAMIC DATA OF REFRIGERANT-OIL MIXTURES |
Presented by Steffen Feja, Dr. rer. nat. |
Continuous Inline Measurement for Oil Concentration Ratio in Refrigerant |
Presented by Duc Tien Le, Master |
Effect of probe sonication time on nano-lubricant stability |
Presented by Bongani Hadebe, Doctor of Engineering in Mechanical Engineering |
Off the shelve reciprocating compressor with little wear after employment in high temperature heat pump for more than 1400 hours of operation |
Presented by Leon Brendel, PhD |
Tribology in Refrigerant Compressors for Residential Heat Pumps – Current Challenges and Opportunities |
Presented by Max Joswig, Dipl.-Ing. |
Compressors and refrigerants
auditorium S2, 1. floor, chaired by Dariusz Butrymowicz, 09:00 – 10:30
Príspevky |
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APPLICATION OF LOW-GWP REFRIGERANTS R1233zdE AND R1234zeE FOR LARGE SCALE EJECTOR REFRIGERATION SYSTEMS OPERATING UNDER REAL INDUSTRIAL CONDITIONS |
Presented by Dariusz Butrymowicz |
Design of a CO2 plate freezer test facility with -50°C evaporation temperature |
Presented by Shuai REN, Doctor |
Low GWP refrigerant for stationary applications |
Presented by Álvaro de León |
Optimization of the composition of mixtures based on R744 and hydrocarbons: Efficiency and Prospects |
Presented by Hlib Zaruba, Master's |
Upcoming natural refrigerant-driven heating and cooling systems in India |
Presented by Sarun Kumar Kochunni, PhD |