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Force failure dielectric test design for stators of inverter compressors.
Heat transfer through the flat surface of Rutherford superconducting cable samples with novel pattern of electrical insulation immersed in He II.
Electrical insulation operating at cryogenic temperature for high temperature superconducting power equipment.
Early detection of insulation breakdown in low-voltage motors. 2. Analysis results.
Thermal property measurement of insulating material used in HTS power device.
Early detection of insulation breakdown in low-voltage motors. 1. Background, experimental design, and preliminary results.
Electrical characteristics for insulating design of HTS cable termination.
Superinsulator and quantum synchronization.
IIR document
INVESTIGATION OF THERMOPHYSICAL PROPERTIES OF SOME INSULATION MATERIALS AT 4.2 K.
DEGRADATION OF POLYETHYLENE TEREPHTHALATE (PET) FILMS IN THE PRESENCE OF LUBRICANTS FOR R134A: A CRITICAL ISSUE FOR HERMETIC MOTOR INSULATION SYSTEMS.
Experimental investigation for the insulation design of an HTS transformer.
Design of electrical insulation for a 22.9 kV HTS cable.
Termination cryostat for an HTS power cable.
Thermal conductivity and Kapitza resistance of cyanate ester epoxy mix and tri-functional epoxy electrical insulations at superfluid helium temperature.
Refrigeration sector monitoring
12 results
Vacuum Insulation Panels: a promising solution for domestic refrigerators
Thanks to their low thermal conductivity, Vacuum Insulation Panels (VIPs) make it possible to greatly reduce the energy consumption of domestic refrigerators. However, their adoption comes up against problems of...
Immersion cooling: a high-performance plant-based fluid
A U.S. food company has created an immersion cooling fluid for data centres made from 90% vegetable oil.
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...
Impact of ageing on the energy efficiency of refrigerating household appliances
A recent study shows an average increase in energy consumption of 11% after 2 years of operation and 27% after 16 years for these appliances. Ageing wall insulation and door gasket contribute to this...
An innovative concept of refrigerated semi-trailer
The refrigerated semi-trailer undergoing final test combines electricity production by hydrogen fuel cell and refrigeration production using CO2 as refrigerant.
Passive cooling by combining evaporation, radiation and insulation
ICER, a new passive cooling technique, can extend food shelf life by 40% in humid climates and 200% in dry climates with low water-refilling frequences.
The expansion of refrigeration applications of Thermal Energy Storage and PCMs
Based on a selection of papers from two recent IIR conferences, overview of thermal energy storage and PCM applications in the fields of refrigerated transport, display cabinets, fishing vessels, food processing...
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.
Assessment of the environmental impact of domestic refrigerators using LCCP
The environmental impact of domestic refrigerators over their lifetime has been quantified in different configurations (operating cycles, materials, insulation) in a recent IJR article.
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...
Reduce refrigerant leaks in supermarkets
Refrigerant leaks are a recurring problem, particularly in the commercial refrigeration sector. An American initiative aims to identify the main causes of leaks and to propose solutions to reduce...
Solar heating and cooling: key trends and challenges
In 2020, the solar thermal energy yield amounted to 407 TWh, which correlates to savings of 43.8 million tons of oil and 141.3 million tons of CO2. Although still only a niche market, solar cooling...
IIR news
1 result
The IIR brings you the highlights from refrigeration trade fair SIFA 2016
As an institutional partner, the International Institute of Refrigeration (IIR) participated in the 2016 edition of the Interprofessional Refrigeration and its Applications Trade Show (SIFA) for the consecutive year.
Encyclopedia of Refrigeration
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...
