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IIR document
Effect of different fin geometries on the thermal and hydraulic performance of PCM-compact heat exchanger.
Airside thermal and hydraulic characteristics of compact bare tube heat exchanger under dry and wet conditions.
Generalized air-side friction and heat transfer correlations for wavy-fin compact heat exchangers.
Investigation of the operation conditions of an absorption cycle with compact heat exchangers.
An assessment of optimal airside heat transfer per unit friction power characteristics of compact heat exchangers.
Compact plate heat exchange design and optimization for ice slurry applications: a review of experiences and development steps.
Comparison of correlations for modelling heat exchanger performance in a compact ammonia refrigeration unit.
Modeling the heat transfer and the pressure loss in flat fin-and-tube compact heat exchangers.
Integration of a compact two fluid PCM heat exchanger into the hot superheated section of an air source heat pump cycle for optimized DHW generation.
Co-current upward vaporization of binary mixtures in finned compact heat exchangers with offset strip fins.
Recommended by the IIR / IIR document
Review of small-capacity single-stage continuous absorption systems operating on binary working fluids for cooling: Compact exchanger technologies.
Experimental and numerical study of the compact heat exchanger with different microchannel shapes.
Visualization of flow distribution in rectangular and triangular header geometries.
Effect of tube diameter on boiling heat transfer and flow characteristic of refrigerant R32 in horizontal small-diameter tubes.
Effect of flow maldistribution and axial conduction on compact microchannel heat exchanger.
Refrigeration sector monitoring
9 results
A propane heat pump with compact bionic heat exchangers
In Germany, Fraunhofer has developed a propane heat pump using compact finned heat exchangers with distribution boxes whose structure is inspired by nature.
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.
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...
A new cooling technique for superconducting cavities of particle accelerators
A team of researchers is developing a new method to cool the superconducting cavities of particle accelerators, which could make them more compact.
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...
IIR 2023 conference in Ohrid: focus on CO2 heat pumps
As demonstrated at the last IIR conference in Ohrid , heat pumps are a potential development area for the use of CO2, in particular for the thermal management of electric vehicles.
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...
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.
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.
IIR news
1 result
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.
Encyclopedia of Refrigeration
3 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...
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...
