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IIR document
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.
Transient response of a two-phase ammonia-water heat exchanger using moving-boundary method.
A new ground-coupled heat pump system integrated with multi-mode air-water heat exchanger to eliminate thermal imbalance.
Performance analysis of a R407C liquid-to-water heat pump: Effect of a liquid–vapor heat exchanger and domestic hot water production.
Optimal discharge pressure in transcritical CO2 heat pump water heater with internal heat exchanger based on pinch point analysis.
100℃ Hot Water Supplied by CO2 Transcritical Heat Pump with Optimized Tube-in-tube Heat Exchanger
Heat Transfer Characteristics of Cold Water Phase-Change Heat Exchangers under Active Icing Conditions.
Design and analysis of R290 high capacity air to water heat pump with finned tube heat exchanger of small diameter.
Integration of Taguchi's method and multiple-input, multiple-output ANFIS inverse model for the optimal design of a water-cooled condenser.
Analysis of the shell-in-tube condenser characteristics for energy conservation.
[In Ukrainian. / En ukrainien.]
Experimental Performance Analysis of Adsorption Modules with Sintered Aluminium Fiber Heat Exchangers and SAPO-34-Water Working Pair for Gas-Driven Heat Pumps: Influence of Evaporator Size, Temperatures, and Half Cycle Times.
Saving energy with cooling towers.
Drying performance analysis of a condensing tumbler clothes dryer with a unique water cooled heat exchanger.
Development of AHP, the Integrated Climate System Module for EV.
Refrigeration sector monitoring
49 results
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...
Reducing the economic costs of a direct-use geothermal heating system
Italian researchers have modelled a polymer heat exchanger to reduce the cost of a direct-use geothermal heating system for a single building in the active volcano district of the...
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...
ICR 2019: an overview of current refrigeration research (part I)
Presentation of the main scientific and technical topics covered in the papers of the 25th IIR International Congress of Refrigeration and summary of some of the 14 keynotes.
Latest research on ammonia-based absorption refrigeration systems
A recent article has reviewed literature on absorption chillers that use ammonia as a refrigerant, along with water (H2O), lithium nitrate (LiNO3), and lithium nitrate + water...
How to reuse the condensate water from air conditioners?
Review of the different uses of the condensate water rejected by air conditioners.
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.
Design and operation of district heating and cooling systems supplied by renewable energy sources
A report published by the European Commission analyses 8 efficient district heating and cooling systems in different Member States.
A refrigeration system to produce freshwater in arid areas
A team of researchers from Shanghai Jiao Tong University in China demonstrated how integrating adsorption cooling and a heat pump system can improve the productivity of an...
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.
Current status and future trends of natural refrigerants in North and South America
Two papers presented at the IIR Gustav Lorentzen Conference perfectly illustrate the interest in natural refrigerants and the obstacles they face in the Americas.
Efficiency of ground source heat pump systems
Ground source heat pumps (GHSP) have been reported to be more efficient than more widespread air source heat pumps despite higher installation costs. A recent article has reviewed parameters impacting the energy...
The benefits of 3D printing in refrigeration and air conditioning
The various applications of 3D printing in the field of refrigeration and air conditioning highlight possible tremendous advantages in terms of energy efficiency and cost minimisation.
The potential for seabed geothermal energy in the UK
An international study has shown the potential for using capillary heat exchangers for heat pumps in the shallows of the seabed, with the potential to provide heating for homes.
Novel catalysts to address overheating in hypersonic aircraft
Researchers at Australia's RMIT University have developed 3D-printed catalysts to address the challenge of overheating in hypersonic aircraft and possibly other industrial...
IIR news
20 results
Call for abstracts now open! 15th IIR-Gustav Lorentzen Conference on Natural Refrigerants
Prospective authors of papers are encouraged to submit 150-200 word abstracts by September 15, 2021.
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...
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...
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.
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.
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”.
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!
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.
Discover the winners of the IIR Scientific Awards
Every four years during the International Congress of Refrigeration (ICR), the IIR offers a series of prestigious scientific awards.
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.
Ever-expanding market research resources at your fingertips
The IIR enhances its market research resources
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.
Now available: ICR2015 congress papers
Following on from the successful IIR International Congress of Refrigeration (ICR2015), the long anticipated papers and proceedings are now available to download in Fridoc.
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...
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...
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...
