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Noise and vibration attenuation in piping systems.
Controlling condensation on CWP insulation.
IIR document
An update on refrigeration piping design in New Zealand.
Analysis and control of severe vibration of a screw compressor outlet piping system.
La corretta installazione di sistemi A/C e di refrigerazione inizia con le tecniche e le buone pratiche di sistemazione delle tubazioni.
Correct installation of refrigeration and air-conditioning starts with a better tubing arrangement.
Visualization study on oil retention and flow characteristics of R32/PVE oil in suction lines with different flow orientations.
Design and validation of an adjustable dynamic vibration absorber for piping vibration suppression in skid mounted compressor unit.
Mechanical integrity for piping and vessels in industrial refrigeration systems.
Modeling of lubricant retention in suction lines with R32/PVE oil mixture.
Numerical simulation on the flow behavior of ice slurry in piping systems.
Experimental study of liquid line temperature drop as a fault feature for detecting severe liquid line restrictions in residential air conditioning systems.
The advantages and suitability of mechanical piping systems for refurbishment and maintenance of existing and historic buildings.
Oil management solutions for manifolding scroll compressors for refrigeration systems.
Development of a novel flow control system with arduino microcontroller embedded in double effect absorption chillers using the LiBr/H2O pair.
Two‐phase flow distribution characteristics of a vertical header with protruded branch pipes.
Refrigeration sector monitoring
25 results
Reduce refrigerant leaks in supermarkets
Refrigerant leaks are a recurring problem, particularly in the commercial refrigeration sector. An American initiative aims to identify the main causes of leaks and to propose solutions to reduce...
France: the government recently published several documents on HFC regulations (in French)
On November 22, 2017, the French Ministry of Ecological and Solidarity-based Transition (Ministère de la Transition énergétique et solidaire) published two documents which summarise the different regulations on HFCs at different levels...
Earth-to-air heat exchanger for air conditioning in a Colombian tropical weather
In a recent theoretical study, a passive cooling system using an earth-to-air heat exchanger (EAHE) was modelled for the Colombian tropical weather.
Cold stores safety and energy consumption
During the IIR International Congress of Refrigeration, held in Yokohama in August 2015, two valuable papers focused on cold store energy consumption and safety issues.
The high potential of ground-source heat pumps to decarbonise the European building sector
A potential reduction of 20-40% and 30-50% of energy demand in buildings, for heating and cooling respectively, could be achieved through increased use of geothermal heat pumps.
IIR member news: Star Refrigeration chooses CO2 to cool down a beer warehouse
Star Refrigeration, collective member of the IIR, recently published a case study about a CO2 solution used to cool down a beer warehouse.
A free guide for copper pipework support and routing
The IoR published a bulletin providing guidance on pipework support methods for copper pipework designed to contain refrigerant.
Key figures for air conditioning technicians in India
According to a recent survey, 40% of Indian air conditioning technicians have no formal training, which reduces their chances of earning a good salary.
High-efficiency inverter scroll compressors
Summary of an interesting paper from the 2016 Purdue Conference on compressors.
World’s largest seawater air-conditioning system commissioned in Tahiti
Thanks to this system, the cold waters of the deep will cool the French Polynesia Hospital Center, saving at least 2.5 million euros of electricity per year.
HFC alternatives: insufficient training in Europe
An AREA survey shows that in the EU, only 3.5-7% of F-Gas certified personnel are trained in the use of low-GWP refrigerants, depending on the alternative used.
New refrigerant leak detection and isolation technology.
Toshiba has introduced a system which will automatically isolate a specific section of air conditioning pipework in the event of a leak.
Virtual sensor for variable refrigerant flow AC system.
A summary referring to an article recently published in the International Journal of Refrigeration (IJR).
Record: heat pump less than 10 g of propane per kW
German researchers have developed a refrigeration circuit integrating a propane heat pump that achieves a heating power of 12.8 kW with only 124 g of refrigerant.
Kenyan fish processing facility upgrades from R22 to ammonia
East Africa Sea Foods (EASF), a fish processing facility in Kenya, recently replaced its aging R22 refrigeration system with a two-stage ammonia system.
IIR news
2 results
First meeting of the IIR Working Group on Refrigeration Safety
During the Gustav Lorentzen conference in Valencia (Spain), the IIR Working Group “Refrigeration Safety”, chaired by Alexander Cohr Pachai, held its first meeting.
IIR website: consult our courses!
The “Services and expertises” section of the IIR website includes a section on courses and training. The courses are among the most downloaded documents in 2022!
