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

Open session room

Submissions
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

Open session room

Submissions
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

Open session room

Submissions
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

Open session room

Submissions
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

Open session room

Submissions
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

Open session room

Submissions
Introduction of Vladimír Zeleňák , hydrogen storage and transportation
Presented by Alexander Feher, prof. DrSc.
Future developments using hydrogen
Presented by Vladimír Zeleňák, prof. DrSc.

Meeting of commissions B1, B2, E1, E2

Chaired by Didier Coulomb, 13:30 – 14:30

Open session room

Refrigerants and technologies

Chared by José M. Corberan, Sham Rane, 15:00 – 16:30

Open session room

Submissions
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

Open session room

Submissions
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

Open session room

Submissions
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

Open session room

Submissions
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

Open session room

Submissions
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.