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IIR document
High efficiency air cooled heat exchangers for CO2 applications.
Design optimization of an air-cooled bifurcated tube heat exchanger.
Flow characteristics of air-water two phase flow in a plate heat exchanger.
Estudio de una bomba de calor aire/agua funcionando con un intercambiador compacto o un intercambiador de tubo aleteado.
Investigation of a air/water heat pump using compact exchanger or finned tube exchanger.
A new ground-coupled heat pump system integrated with multi-mode air-water heat exchanger to eliminate thermal imbalance.
Design and analysis of R290 high capacity air to water heat pump with finned tube heat exchanger of small diameter.
Heat exchanger ejector application in products refrigeration processing.
[In Ukrainian. / En ukrainien.]
Effects of diffuser orifice plate on the performance of air-cooled steam condenser.
Numerical Investigation on Thermal–Hydraulic Performance of a Printed Circuit Heat Exchanger for Liquid Air Energy Storage System.
Étude numérique des performances thermo-hydrauliques d'un échangeur de chaleur à circuit imprimé pour un système de stockage d'énergie à air liquide.
POD-based modeling on thermal-flow characteristics for air-cooled condenser of power plant.
Performance study on air-cooled household refrigerator with cold storage phase change materials.
A theoretical and experimental investigation into the thermodynamic performance of a 50 MW power plant with a novel modular air-cooled condenser .
Optimum placement for air-cooled chillers.
Recent advances in ammonia LPR systems for freezer applications.
Cross scale simulation on transport phenomena of direct air-cooling system of power generating units based on reduced order modeling.
Refrigeration sector monitoring
52 results
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.
Energy saving initiatives for cooling in data centres
In January 2021, Europe’s leading cloud and data centre operators signed the Climate Neutral Data Centre Pact, a self-regulatory initiative to become climate neutral by 2030. According to recent studies, free...
Cooling solutions for hybrid electric aircraft
The electrification of aircraft propulsive systems requires specific cooling technologies as part of the decarbonation of the aviation industry. A recent review article presents...
Overview of data center cooling technologies
The very huge growth in Internet traffic requires the continued development of new energy-efficient data center cooling technologies, based primarily on liquid...
An ejector refrigeration system optimised for sub-zero temperatures on fishing vessels
Large amounts of diesel fuel are used to power fishing vessels engines and on-board refrigeration systems. In a recent theoretical study, an energy-efficient sub-zero refrigeration system proposed based on a...
Waste heat recovery to eliminate the novel coronavirus in HVAC systems
A recent study proposes a technique for eliminating SARS-CoV-2 from cleanroom HVAC systems using the recovered heat of exhaust air. The modified system could be easily implemented in...
Efficient cooling methods to reduce heat stress in pigs
Microclimate parameters such as air temperature and humidity are important indicators of animal welfare. Besides, heat stress is more detrimental to productivity in the swine...
New evaporative cooling system for more energy efficient data centres
A dew point cooling system, which is an indirect evaporative cooling system that approaches the dew point, has reduced the electricity consumption of a UK data centre by 80%.
Heat pump systems for HVAC in electric vehicles
Heat pump systems offer an energy efficient option for HVAC in electric vehicles. Recent studies present innovative technologies to further improve the heating and cooling performance of heat pump systems as...
Hydrocarbons as refrigerants in air conditioning
Presentation of several initiatives to develop the use of hydrocarbon refrigerants – especially propane – in air conditioning in India, Indonesia, Ghana, Costa Rica and the Philippines.
Ultra-low temperature systems ready for COVID-19 vaccine storage
Mirai Intex, corporate member of the IIR, is positioning its ultra-low-temperature (ULT) systems to serve as the refrigeration technology for the storage of COVID-19 vaccines and the freeze-drying of the...
France: a patented air conditioning system without electricity (in French).
Researchers have patented a cooling system for a house using the principles of heat exchange.
Evaporative cooling: continuation of the Cold-Snap project at Harvard University
Tests show that Cold-Snap evaporative cooling technology would be effective in humid climates, while limiting water consumption.
Evaporative cooling without adding humidity
Scientists at the University of Harvard have designed a prototype evaporative cooling system called Cold-SNAP that effectively cools air at low cost for both dry and humid climates.
Low GWP blends for domestic air conditioning
A review article presents the latest research trends on low GWP refrigerants, mainly HFC/HFO blends, for domestic air conditioning.
IIR news
25 results
New IIR Informatory Note on solar cooling and other new publications
The IIR has just published an Informatory Note on solar cooling and has posted the Chinese version of the Informatory Note on the role of refrigeration in worldwide nutrition on its website.
Technical visit to the Tokyo fish market (in French)
During the ICCC conference last June, participants were offered technical visits, including a tour of the Tokyo Fish Market. Alain Le Bail, President of the IIR Commission C2, chose to visit it. Discover his...
Member news: Mirai Intex releases new high capacity ultra-low temperature refrigeration system
Mirai Intex, corporate member of the IIR, has released a new ultra-low temperature (ULT) system based on air-cycle technology, offering high cooling capacity.
New in our Encyclopedia: additive manufacturing for refrigeration equipment
Additive manufacturing makes it possible to optimise the geometry and performance of cooling components such as heat exchangers and regenerators for caloric...
Heat pumps, the central theme of the recent IIR Congress
An overview of the research carried out in the field of heat pumps, with the aim of achieving greater flexibility and increased energy efficiency, in particular through to the use of thermal energy...
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!
Member news: latest innovations from Mirai Intex
The company Mirai Intex has just marketed a refrigeration machine using air cycle for low temperatures. Mirai Intex also markets a mobile storage solution.
SophiA project: HKA Lab test progress
SophiA HKA (Karlsruhe University of Applied Sciences) Lab test is intended to provide a better understanding of the cooling system in in different climate zones.
Obituary: S. Forbes Pearson
Dr S Forbes Pearson, one of the most famous IIR person, passed away. The IIR presents its deepest sympathy and sincerest condolences to his family and relatives.
CryoHub Webinar
CryoHub the EU funded project to demonstrate the potential for cryogenic energy storage at refrigerated warehouses will hold a webinar on 17th March 2021 to share findings and results of this work.
CryoHub to share results of implementation of innovative energy storage technique
Register now for our Webinar on 17th March 2021 to hear from experts on how the CryoHub technology was developed and demonstrated at a refrigerated facility at Frigologix in...
Member news: Daikin introduces EWYS-4Z: High-Efficiency Cooling and Heating Solution for Industrial and Commercial Needs
The polyvalent EWYS-4Z cooling and heating unit, which runs on R513A, is designed for superior energy efficiency and reduced noise for industrial and commercial applications.
Available now: All 474 papers from the Purdue Conferences 2018
Welcoming 800 participants from 30 different countries, the 2018 Purdue Conferences took place at Purdue University in West Lafayette, Indiana, USA, from July 9 to 12, 2018.
Now available : 2023 IIR Congress proceedings
Download your copy of the ICR 2023 proceedings. IIR members can download them at reduced rate.
Now available: IIR Congress papers 2019
Download your copy of the ICR 2019 proceedings. Over 630 technical papers are available!
Encyclopedia of Refrigeration
4 results
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...
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...
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...
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...
