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Influence of suction muffler design on the suction effective flow and force areas of a reciprocating compressor.
Suction valve design optimization to improve reliability.
Linear compressor suction valve optimization.
IIR document
FSI simulation of the suction valve on the piston for reciprocating compressors.
Automatic test stand to impose operating suction and discharge conditions on compressors.
Modeling of lubricant retention in suction lines with R32/PVE oil mixture.
Transient migration of oil at compressor discharge and suction during startup.
Oil temperature characterization in a direct suction scroll compressor.
A heat transfer correlation for the suction and compression chambers of scroll compressors.
Measurement of the permeability of suction filter in reciprocating compressor.
Experimental and numerical investigation of suction muffler outlet pipe geometry effect on volumetric efficiency and COP.
Dynamic performance of suction valve in stepless capacity regulation system for large-scale reciprocating compressor.
Investigation of flow and acoustic performances of suction mufflers in hermetic reciprocating compressor.
Evaluation of global optimization algorithms for capillary tube suction line heat exchanger sizing.
Refrigeration sector monitoring
949 results
Arkema announced the construction of a R1234yf production plant in China
Arkema, French leading supplier of refrigerants, recently announced the construction of a R1234yf production plant in Changsu (near Shanghai), China.
Europe: focus on the consumption, exports, production and destruction of ozone depleting substances.
The European Environment Agency published in September 2017 a report aggregating data submitted by companies using ozone depleting substances.
Noise reduction strategies for screw compressors
The operating noise of twin-screw compressors is an important issue that may limit their scope of application. Two recent IJR papers suggest several noise reduction methods and analyse their...
International milestone agreement on the phase-down of HFC production and consumption in Kigali
The 28th Meeting of the Parties (MOP28) to the Montreal Protocol which was held in Kigali, Rwanda, from October 10 to 14, 2016, led to an international agreement on the phase-down of the production and consumption of HFCs.
Management and destruction of ozone depleting substances
A recent GIZ study analyses the management and destruction of ozone depleting substances (ODS) – primarily used as refrigerants – particularly in developing countries.
HCFC consumption and production in developing countries
Recent data on the HCFC production and consumption of developing countries were submitted to the Committee of the Multilateral Fund for the Implementation of the Montreal Protocol.
The LNG global production
Global LNG production capacity to increase by 130 billion m3 by 2018 as 12 new liquefaction plants open IEA report says.
Recycling could significantly cut down emissions from HFC production
A team of researchers estimated that with 30% of recycled refrigerants in the annual output, CO2 emissions from the production of R134a could be reduced by about a...
Green hydrogen production project in Namibia
In partnership with a French-German consortium, the Namibian government plans to develop a green hydrogen production facility. Although some of the funding may be secured as early as...
Reefer container production at its peak
Reefer container production increased greatly during 2011, beating their previous annual peak in 2008 by over 30%.
Honeywell CFC destruction plan
Honeywell has begun destroying its inventories of CFCs and CFC blends: the company says it has already destroyed over 12 000 kg of R11.
Quick frozen dumplings (jiaozi) production
Quick frozen dumplings play an important part in quick frozen food, is the largest class in quick frozen food production.
Algeria: hydrocarbon production decreased by 4% in 2013
However, LNG production rose by 25 million m3 in 2012.
Frozen food production in China
The industry size has increased from RMB 4.566 billion (about 0.8 USD billion) in 2004 to RMB 64.981 billion (about 10.2 USD billion) in 2013, with a CAGR (Compound Annual Growth Rate) of 30.4.
2023 Ice cream production and trade overview
Despite a slight decrease in production, Europe continues to lead global exports of ice cream in 2023.
IIR news
327 results
New IIR Informatory Note on Refrigerant Charge Reduction
Now available for IIR members! The 25th IIR Informatory Note, the latest in the series on Refrigeration Technologies.
ENOUGH Project: Joint Statement on Food Waste Reduction
The ENOUGH project has joined efforts to call for rigorous food waste reduction measures in Europe.
1st IIR Workshop on Refrigerant Charge Reduction
1st IIR Workshop on Refrigerant Charge Reduction in Refrigerating Systems will be held in Antony, France, on April 6-7, 2009. Contact helene.macchi@cemagref.fr to register and present a paper
Discover the newly-elected IIR Section and Commission heads
Welcome the IIR’s new statutory body members!
Call for industrial partners for joint industry cryogenics project linked to LNG production
Become a project partner: Join the Joint Industry Project of MINES ParisTech – ARMINES “Evaluation of the crystallization risk in LNG production”.
IIR Working Party on Refrigerant Charge Reduction in Refrigerating Systems: Join Us!
Suitable design of refrigerating systems has several benefits in terms of limitation of the environmental impact thanks to a reduction in the energy consumption and the limitation of refrigerant emissions. The direct greenhouse effect accounts for...
The “Carbon reduction opportunities for the food chain” workshop at ICCC 2022
The workshop was focused on the solutions brought by the EU project ENOUGH to reduce emissions from the food sector as set by the EU farm to fork strategy. A panel discussion was also held during the event...
The proceedings CD-ROM of the 3rd IIR Workshop on Refrigerant Charge Reduction in Valencia are on sale!
The proceedings CD-ROM comprising 8 plenary presentations, 13 papers, and 2 industrial PowerPoint presentations are on sale on the IIR's Web site (Publications/Bookshop section)
Member news: GEA implements an innovative high-temperature heat pump at a Tiense Suiker production site
GEA has developed a high-temperature industrial heat pump utilising heat recovery, with reduced emissions.
Proposal for technical and financial collaboration: Census of cold production equipment in the industrial and tertiary sectors in France (in French)
As part of its activities in industrial and commercial refrigeration, the EDF R&D TREE department is planning to carry out a study on the French stock of installed refrigeration equipment.
A new Open Access thesis section on the IIR website!
We’re happy to offer you a new online service! A link library is now available on our website.
Continued IIR commitment to reduce refrigerant emissions
This week at UNESCO headquarter in Paris, the IIR is attending the Joint 10th Meeting of the Conference of the Parties to the Vienna Convention and the 26th Meeting of the Parties to the Montreal Protocol.
Up to 20% discount on refrigeration market research!
Being part of the IIR gives you even more benefits with discounts of up to 20% on refrigeration market research studies.
Member news: Koura introduces new refrigerant for air conditioning
Refrigerant manufacturer Koura recently introduced R468C, a refrigerant that could replace R410A in air conditioning systems.
Member news : Danfoss launches thermostatic expansion valve for CO2
Danfoss has recently launched a thermostatic expansion valve for CO2, based on its TE2 valve. It is suitable for small to medium size remote refrigeration systems such as cold rooms and display...
Encyclopedia of Refrigeration
10 results
Liquefied Natural Gas: production process and cold energy recovery
Liquefied natural gas (LNG) is natural gas that has been cooled to about -160 °C and turned into a liquid to facilitate transportation and storage. A typical LNG supply chain...
Hydrocarbon refrigerants
Hydrocarbons such as R290 (propane), R600a (isobutane) or R1270 (propene/propylene) are low GWP non-toxic natural refrigerants with excellent thermodynamic properties. They offer an...
Additive manufacturing of regenerators for caloric cooling
In many areas of engineering, additive manufacturing allows the production of complex and multifunctional products that could not be manufactured using traditional methods. In the...
Cryogenics in the pharmaceutical industry: drug design and bioavailability improvement
Research activities in the pharmaceutical sector focus primarily on developing novel drug formulations which can elicit the desired response upon being administered to the patient...
Cryogenic nitrogen in the food and beverage industry
The adoption of cryogenic processes in the food and beverage industry is predominantly driven by liquid nitrogen (LIN), and it is the preferred candidate for food chilling and...
Ice cream manufacturing, environmental impact and market data
From a physico-chemical point of view, ice cream is a complex, frozen multiphase mixture. The manufacturing process includes several stages of freezing which are described in this...
Environmental impact of the ice cream industry
This summary document describes the environmental impact of ice cream manufacturing, which is mainly due to the energy consumption and refrigerants used.
Cold storage conditions for fruits and vegetables
Practical recommendations for the cold storage of over 200 cultivars of fruits, vegetables and herbs (storage temperatures, relative humidity, storage time, controlled atmosphere...
Additive manufacturing of heat exchangers
In the refrigeration industry, additive manufacturing (colloquially referred to as “3D printing”) makes it possible to fabricate novel, complex and potentially more energy efficient...
Nanorefrigerants
Nanorefrigerants are created by adding nanoparticles in suspension to a base refrigerant. They have a thermal conductivity that is 15% to 104% higher than that of the corresponding...
Events
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Other event
21st International Conference & Exhibition on Liquefied Natural Gas (LNG2026)
February 02, 2026 - February 05, 2026
Doha, Qatar
Register...
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