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Experimental study on fouling in the heat exchangers of surface water heat pumps.
Experimental study of the effects of fin surface characteristics on defrosting behavior.
IIR document
Temperature-dependency on adhesion force of ice made from surfactant–pure water mixture to copper surface.
Experimental investigation on the supercooling effect of fluids confined in non-metallic vessels using pure water and silicon carbide.
Recommended by the IIR
Review of humidity effects on humid air-water condensation by a cooling surface for atmospheric water harvesting.
Using Al2O3-water nanofluid to investigate the spray cooling heat transfer performance on a heated surface.
Self healing, slippery surfaces for HVAC&R systems.
Characteristic research of ammonia vapor absorption into the surface of stagnant ammonia-water under big pressure difference.
[In Chinese. / En chinois.]
Pressure drop and void fraction of vertical and horizontal adiabatic two-phase flow in a plate heat exchanger single channel with uniform gas-liquid distribution.
Flow patterns of vertical and horizontal adiabatic two-phase flow in a plate heat exchanger single channel with uniform gas-liquid distribution.
Evaluations of heat pump water heater with liquid-separation condensation from perspectives of performance enhancement and heat exchange area reduction.
Application analysis on open-loop surface water-source heat pump systems.
Lakes as a heat source in cold climates.
Experimental analysis on cleaning methods of heat pump units in surface water heat pump systems.
COMPARISON BETWEEN SOIL, ROCK, GROUND WATER AND LAKES AS HEAT SOURCE FOR HEAT PUMPS. THEORY AND PRACTICE.
Refrigeration sector monitoring
44 results
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...
Pulse technology defrosts surfaces in seconds
A team of Japanese and American researchers is developing with a new, fast and efficient technology to defrost surfaces.
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...
Frost detection and defrosting methods: latest advances
A recent Purdue conference paper presents the state of the art regarding methods for retarding the onset of frosting, frost detection techniques and defrosting strategies, including those based on artificial...
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...
Radiative cooling coatings that can adapt to the seasons
A novel material can be used as a coating on building’s rooftops or windows to provide radiative cooling in the summer without overcooling in the colder months.
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.
Frost mitigation methods for heat pumps and refrigeration systems
Frost growth is an important issue since defrosting can represent up to 30% of the total energy consumption of refrigerated display cabinets. Review of the various frost mitigation technologies and latest...
5th generation district heating and cooling networks in Europe
A recent generation of district heating and cooling networks is developing in Europe, using low temperature renewable energy heat sources (such as shallow...
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 challenges of thermal management of next-generation electronic equipment
With the increasing integration and miniaturization of electronic devices, the heat flows they generate are constantly increasing. Spray cooling has many advantages in this regard.
New Monaco Yacht Club House to be cooled thanks to ocean water
Monaco’s new yacht club sticks to the sea-water cooling tradition.
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.
Evaporative cooling experimentations in urban areas
Various researches are currently being conducted to study the impact of evaporative cooling in urban areas.
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.
IIR news
3 results
New IIR Informatory Note: Advancements in Supermarket Refrigeration
Download your copy of the latest IIR Informatory Note on “Advancements in Supermarket Refrigeration”
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...
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
6 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...
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...
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...
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...
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...
Environmental impact of the ice cream industry
This summary document describes the environmental impact of ice cream manufacturing, which is mainly due to the energy consumption and refrigerants used.
