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132 results
Effect of cryoprotectant on optimal cooling rate during cryopreservation.
Experimental study on the cooling rate of a new type of oocyte carriers.
[In Chinese. / En chinois.]
The influential factor studies on the cooling rate of roller quenching for ultra heavy plate.
IIR document
Investigation on the cool-down speed of Stirling type pulse tube cryocooler with inertance tube.
Cooling rates of fruits and vegetables.
Direct formation of La(Fe,Si)13 phase by directional solidification in slow cooling rate.
Effect of cooling rate and super-chilling temperature on ice crystal characteristic, cell structure, and physicochemical quality of super-chilled fresh-cut celery.
Exploring a new heterogeneity index to quantify the variation of cooling rates within systems that undergo the forced-air cooling process.
Experimental study on cooling performance of multiple impinging jets with different nozzle arrangements in a ground fast cooling simulation device.
Cryopreservation of epididymal stallion sperm.
Development of an apparatus for cryopreservation cellular samples.
Pressure effect on the release of supercooled water with dissolved air.
Cryopreservation by vitrification: basic thermodynamic principals, methods and devices.
Infrared differential thermal analysis (IDTA) of multiple freezing processes.
Ultra-fast vitrification experiment of hamster ovary cells utilizing thin film evaporation.
Refrigeration sector monitoring
17 results
Energy savings in a milk plant through permanent magnet speed motors (en français)
A Belgian milk plant reduces by 18 to 21% the necessary energy for cooling through permanent magnet speed motors. (en français)
Cryopreservation techniques in reproductive medicine: improving cell survival after warming
A recent literature review presents the technical progress in cryopreservation techniques. The vitrification concept is presented as crucial to ensure cell survival after cryopreservation.
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...
China to enforce a more stringent energy efficiency standard for air conditioners
A new standard, which will come into effect on July 1, 2020, increases the minimum energy efficiency values of room air conditioners, resulting in the elimination of the least efficient air conditioners, i.e....
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).
Market assessment and updates of Rwanda’s national cooling strategy
In Rwanda, the purchase of household refrigerators and ACs is increasing with economic growth. As part of the national cooling strategy, the country has launched a public awareness campaign on efficient cooling...
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...
Newly revised efficiency standards for ACs in Brazil and India
Stringent minimum energy performance standards (MEPS) for air-conditioning (AC) equipment contribute to cutting down the energy demand for ACs globally. Setting up and periodically revising energy efficiency...
Solar ejector refrigeration systems: benefits and latest developments
Two IJR articles present the latest advancements in this technology and in particular the advantages of variable geometry ejectors and low-GWP refrigerants in terms of performance.
A low-GWP cooling system for the Eiffel Tower
The ageing R407C cooling system in the tower’s west pillar has been replaced with an energy efficient system using low GWP R1234ze(E).
Defining energy efficiency indicators for refrigerated shipping vessels
A working group from the International Maritime Organisation (IMO) has proposed new energy efficiency indicators for ships. Shipping companies challenge their...
Higher AC setting temperatures to reduce thermal discomfort and energy demand in warm countries
Using data from four cities in India, Philippines, and Thailand, a recent study found that occupants experience thermal discomfort from unnecessarily low air conditioning (AC) temperature settings. Warmer indoor...
Applications of artificial intelligence to refrigeration plants
A paper from the IIR TPTPR conference presents the energy performance and maintenance benefits of 19 refrigeration plants using artificial intelligence techniques.
Is super-cooling better than chilling for seafood products?
Super-cooled storage is a novel technique that better preserves the texture and freshness of fish and extends shelf life compared to chilling.
Refrigeration reduces the glycemic index of cooked rice
Several studies highlight the benefits of refrigeration on the glycaemic index of rice, which is important in the control of chronic diseases such as diabetes.
IIR news
4 results
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.
Member news: Presenting MIRAI Intex's Latest process cooling Innovation - X Cryo
Discover the latest advancement in process cooling technology from MIRAI Intex. X Cryo delivers precision and durability, meeting the needs of demanding industrial applications.
Call for abstracts: IIR Compressors Conference 2020
Set to celebrate its 10th anniversary edition in the series, the IIR next Conference on Compressors and Refrigerants has launched a call for abstracts. Don't miss the deadline!
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.
Encyclopedia of Refrigeration
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...
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...
