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Virtual Lobby
Welcome to the virtual lobby for IIR Conference on Compressors and Refrigerants!
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.13.1.2021
Plenary Session
Chaired by Peter Tomlein, Didier Coulomb, 09:00 – 10:00
| Príspevky |
|---|
| Conference background and program |
| Presented by Peter Tomlein, Doc. Ing. PhD. |
| Aurel Stodola Polymath and big personality |
| Presented by Juraj Hromkovic, Prof. Dr. |
| HFCs Phase-Down: New International and National Challenges |
| Presented by Didier Coulomb |
| Safety in refrigeration, air-conditioning and heat pumps |
| Presented by Alexander Pachai |
| New Flammable Refrigerant Charge Limit In Commercial Refrigeration |
| Presented by Marek Zgliczynski |
Reciprocating compressors 1
Chaired by Thiago Dutra, Marek Zgliczynski, 10:30 – 12:00
| Príspevky |
|---|
| Liquid Slugging in Reciprocating Compressor |
| Presented by Ján Tuhovčák |
| Evaluating of refrigerants using a dynamic reciprocating compressor model |
| Presented by Stephan Göbel, M.Sc. |
| CYLINDER DEFORMATION SENSITIVITY STUDY USING FEA |
| Presented by Mattias Castro |
| INFLUENCE OF COMPRESSOR SPEED FLUCTUATION ON BEARINGS DESIGN |
| Presented by Mattias Castro |
Ejectors and centrifugal compressors 1
Chaired by Dariusz Butrymovicz, Kamil Smierciew, 10:30 – 12:00
| Príspevky |
|---|
| DESIGN PRINCIPLES FOR CENTRIFUGAL COMPRESSOR DIFFUSERS BASED ON THE USE OF VELOCITY DISTRIBUTION |
| Presented by Andrii Lazarenko, student |
| Semi-Empirical Model Of Two-Phase Liquid Gas Ejector For Power Engineering Applications |
| Presented by Dariusz Butrymowicz, Prof. |
| Improving the efficiency of gas turbine by using aerothermopressor for intercooling cyclic air |
| Presented by Halina Kobalava |
| Injector refrigerant circulation for enhancing heat efficiency of air coolers with uneven heat load distribution |
| Presented by Mykola Radchenko, D.Sc |
| Efficiency of a Vacuum Cooling System with Liquid-Vapor Ejector for Biodiesel Production |
| Presented by Serhii Sharapov, PhD |
Field measurements
Chaired by Alex Cohr Pachai, Armin Hafner, 10:30 – 12:00
| Príspevky |
|---|
| Performance of integrated R744-packs Part 1 - Compressor mass flow estimation based on data driven models using analytical methods and actual field measurement |
| Presented by Vahid Khorshidi, MSc. |
| Simulation and monitoring of a CO2 commercial refrigeration system serving a supermarket in Northern Italy |
| Presented by Corrado de Gioia-Carabellese |
| Field measurements and analysis of supermarket refrigeration low temperature units |
| Presented by Ivan Konstantinov, Post graduate teacher |
| Field Measurement On Rooftop Condensing Unit Before And After Reconstruction |
| Presented by Peter Tomlein, Doc. Ing.PhD. |
Rotary, scroll, screw compressors 1
Chaired by Sham Rane, J. M. Corberan, 10:30 – 12:00
| Príspevky |
|---|
| Influence of refrigerant and compressor construction forms on efficiencies assessed by dynamic simulation models |
| Presented by Christian Vering |
| ANALYSIS OF REAL GAS EQUATION OF STATE FOR 3D CFD MODELLING OF TWIN SCREW EXPANDERS |
| Presented by Sham Rane, PhD |
| A Critical Analysis of the Characterization of Scroll Compressors Mass Flowrate |
| Presented by Jose M. Corberan, Prof. |
| Characterization methodology for vapor injection scroll compressors of variable speed |
| Presented by Emilio Navarro-Peris, Prof. |
| Process Simulation and Analysis of a Rotary -Vane Gas Refrigerating Machine for Cold Production in the Medium Temperatures Level |
| Presented by Volodymyr Trandafilov, Ph.D |
Invited papers
online, 13:00 – 13:30
| Príspevky |
|---|
| Introduction of Vladimír Zeleňák , hydrogen storage and transportation |
| Presented by Alexander Feher, prof. DrSc. |
| Future developments using hydrogen |
| Presented by Vladimír Zeleňák, prof. DrSc. |
Refrigerants and technologies
Chared by José M. Corberan, Sham Rane, 15:00 – 16:30
| Príspevky |
|---|
| Efficiency of refrigeration plants operation taking into account ambient temperature changing |
| Presented by Maxim Talyzin, PhD |
| Algorithm-based optimization for energy-efficient operation of refrigeration systems |
| Presented by Jörg Bentz, M.Sc. |
| Rational designing of ambient air conditioning systems of combined type |
| Presented by Andrii Radchenko, Ph.D |
| Optimization of transport characteristics of ice slurry flows in horizontal pipe |
| Presented by Souheila mellari |
Ejectors and centrifugal compressors 2
Dariusz Butrymovicz, Kamil Smierciew, 15:00 – 16:30
| Príspevky |
|---|
| Experimental Investigations Of Heat Transfer In Packed Bed Of Carrot |
| Presented by Adam Łapiński, M.Sc. |
| Numerical design and operation of the ejection refrigeration system driven by low-grade heat |
| Presented by Kamil Śmierciew, PhD, DSc |
| Thermodynamic Analysis Of Zeotropy Mixtures For Ejection Refrigeration Cycle |
| Presented by Paweł Jakonczuk, M.Sc. |
| Application Of Numerical Modelling For Estimation Of Geometry Of Ejector Applied In Motor Yachts Air-Conditioning System |
| Presented by Kamil Smierciew, PhD, DSc |
| Experimental Investigation Of Fully Passive Thermally Driven Two-Phase Injector Pump |
| Presented by Andrzej Pawluczuk, M.Sc |
Reciprocating compressors 2
Chaired by Marek Zgliczynski, Thiago Dutra, 15:00 – 16:30
| Príspevky |
|---|
| Numerical Analysis of the Transient Compressible Fluid Flow in the Piston-Cylinder Clearance of an Oil-Free Linear Compressor |
| Presented by Thiago Dutra, Ph.D. |
| Modelling the Dynamics of Ring Plate Valves in Reciprocating Compressors Using Coupled CFD-FEM Simulations |
| Presented by Åsmund Ervik, Dr. |
| Compressor Muffler Design Considering Fluid-Structure Interaction |
| Presented by Paulo Martins |
| Method of household compression refrigeration devices energy perfection determination and mathematical model of its estimation |
| Presented by Yurii Baidak, DSc,Professor |
Technologies with CO2, ammonia and hydrocarbons
Alex Cohr Pachai, Armin Hafner, 15:00 – 16:30
| Príspevky |
|---|
| Comparative study of R744 ejector CFD models |
| Presented by Knut Emil Ringstad |
| Modeling Approach for a Liquid-Injected Ammonia-Water Screw Compressor |
| Presented by Marcel Ulrich Ahrens, M.Sc |
| Performance of integrated R744-packs Part2 - Ejectors performance, a comparison of onsite measurements and model predictions |
| Presented by Ekaterini Kriezi, PhD |
| PROPYLENE REFRIGERANT FOR COMMERCIAL APPLICATIONS |
| Presented by Jozef Sedliak, ing |
Closing of the conference
Chaired by Dariusz Butrymovicz, Didier Coulomb, Peter Tomlein, 17:00 – 17:30
| Príspevky |
|---|
| IIR conferences: Compressors and Refrigerants |
| Presented by Peter Tomlein, Doc. Ing.PhD. |
| Summary |
| Presented by Didier Coulomb |
| Closing speech |
| Presented by Dariusz Butrymowicz, Prof. Ing. PhD. |