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IIR document
An experimental study on the dehumidification performance of a counter flow liquid desiccant dehumidifier.
An experimental investigation of the optimum geometry of two nozzle counter flow vortex tube.
Analytical solutions to counter-flow heat exchanger subjected to external heat flux and axial conduction.
Experimental and 3D CFD investigation on heat transfer and energy separation inside a counter flow vortex tube using different shapes of hot control valves.
Modeling and simulation of counterflow wet-cooling towers and the accurate calculation and correlation of mass transfer coefficients for thermal performance prediction.
Thermodynamic model of cooling tower with Lewis number and operating characteristics analysis.
[In Chinese. / En chinois.]
Estimation of Ranque-Hilsch vortex tube performance by machine learning techniques.
Research progress on flow pattern of evaporative condenser.
Experimental study on flooding and flow reversal in small diameter tubes with various inclinations and horizontal lengths.
Coil side heat transfer characteristics study for a helical-coil heat exchanger.
Experimental and numerical investigation of energy separation in counterflow and uniflow vortex tubes.
Comparison of dehumidification performance of counter and cross-flow type liquid desiccant dehumidifiers.
Entransy analysis on the performance of the counter-flow heat exchangers for a double evaporating temperature chiller.
Experimental investigation of counter flow heat exchangers for energy recovery ventilation in cooling mode.
Analysis and optimization of air coolers using multiple-stage thermoelectric modules arranged in counter-current flow.
Refrigeration sector monitoring
15 results
ICR2019: focus on innovative refrigeration technologies for developing countries
Several papers presented during the IIR International Congress of Refrigeration in August 2019 addressed advances in the refrigeration technologies that are particularly adapted to hot countries with limited electricity supply: solar...
The FresH2 project is testing a hydrogen fuel cell to power the refrigeration unit of a semi-trailer
Bosch’s French subsidiary has developed a hydrogen fuel cell to replace the diesel power supply traditionally used to power the refrigeration unit of semi-trailers. The system is currently being tested on a...
Must read in IJR: a comprehensive review on fault detection in HVAC systems
The latest research and developments in the fault detection and diagnostics of HVAC systems are presented in several articles recently published in the IJR.
Cryogenics 2021 highlights: applications of liquid nitrogen
Cryopreservation of biological materials to favour biodiversity and cooling of superconducting cables to allow transmission of electrical energy with zero resistance are key applications of liquid...
New standards for “intelligent” ACs implemented in China
China implements new standard to officially define and set technological requirements for intelligent ACs. Additionally, a Chinese air-conditioning manufacturer is the first company in China to achieve a global...
COVID-19 news in the HVAC&R sector
The IIR reviews the available information on the possible impact of air conditioning on the spread of COVID-19 and the recommendations for the operation and maintenance of HVAC systems. Furthermore, several...
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.
Challenges for post-pandemic food cold chain
The COVID-19 pandemic has revealed several shortcomings in the global food cold chain. In the aftermath of the pandemic, investment in the cold chain is necessary to maximise access to food and reduce waste....
The district cooling network of Paris will be extended by 158 km within 20 years
Paris’ district cooling network currently covers over 86 kilometres and will be extended to 250 kilometres by 2042. It will increase the city's contribution to the carbon neutrality objective by...
The global refrigeration compressor market
Bien que pénalisé par la pandémie de Covid-19 qui a fortement impacté le secteur du conditionnement d’air, le marché des compresseurs a progressé dans certains domaines tels que la chaîne du froid, l’industrie...
India is in urgent need of affordable, energy-efficient air-conditioning
With energy demand for cooling in India expected to increase eightfold by 2038, a recent study by the Council on Energy, Environment and Water (CEEW) discusses the country's...
First liquefied hydrogen carrier launched in Japan
In line with its commitment to pave the way for the first "Hydrogen Society", Japan intends to use this carrier to transport hydrogen from Australia, where it is produced from lignite.
A must-read in the IJR: a review of storage temperatures for biological material
To improve storage efficiency, the authors of a review article take stock of storage temperatures for biological material (cells, proteins, DNA, etc).
Latest news about regulation in Europe
The European “F-gas” Regulation and the EN 378 standard are currently being revised at European level. Latest news on these two flagship texts.
Slight increase in global LNG trade in 2020
Global LNG trade continued to grow in 2020 albeit at a slower pace than the previous year. Meanwhile, orders for LNG-powered vessels have increased significantly.
IIR news
4 results
The programme of the IIR conference on Ammonia and CO2 Refrigeration Technologies is now available
The conference is a leading event in the refrigeration industry and brings together academic and industry experts to discuss the latest advances in refrigeration technology.
New IIR Informatory Note on Whole Body Cryotherapy/Cryostimulation
Providing key insight in the field of cryostimulation, and particularly whole body and partial body cryotherapy, the new Informatory Note of the International Institute of Refrigeration (IIR) explores the...
What do refrigeration, air conditioning and social media have in common? A lot!
In 2014, an awareness raising social media campaign by Stephen Gill praising the too often overlooked virtues and benefits of refrigeration caused quite a stir, going viral.
What role does social media play in today’s refrigeration industry?
Today, social media has become an important tool of daily life for many across the globe in diverse fields and sectors. Learn how to reap the benefits of social media in your expertise.
Encyclopedia of Refrigeration
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...
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...
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...
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...
