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A simplified p-V diagram testing method for domestic refrigerator compressors.
IIR document
Experimental phase diagram of the dodecane–tridecane system as phase change material in cold storage.
Diagrams of entropy for ammonia–water mixtures: Applications to absorption refrigeration systems.
Temperature-heat diagram analysis method for multi-stage heat regeneration physical adsorption refrigeration cycle.
P-V diagram measurement of a variable speed rotary compressor with large displacement.
Employment of dynamic temperature-time-transformation (DTTT) diagrams on phase change materials (PCM).
Temperature-heat diagram analysis method for heat recovery physical adsorption refrigeration cycle. Taking multi-stage cycle as an example.
Fault diagnosis of a vapor compression refrigeration system with hermetic reciprocating compressor based on p-h diagram.
Interrelation of magnetic phase diagram and magnetic refrigerator performance.
Pressure-volume diagrams of scroll compressors at various operating points.
Analysis of indicator diagrams of a water injected twin-shaft screw-type expander.
Experimental research on indicator diagrams of a water-lubricated twin-screw air compressor.
Study of a piston force based F-V diagram monitoring method for reciprocating compressors.
Experimental Study on P-V diagram and motion curve of suction and discharge valve of reciprocating compressor.
A novel graphic representation of the work losses on T-s diagram for refrigeration and heat pump cycles.
Refrigeration sector monitoring
15 results
Renewable energy for heating and cooling in the EU in 2020
The share of renewable energy sources used for heating and cooling in the EU continues to increase steadily, from 22% in 2019 to 23% in 2020. The share was above 50% in six Member...
HFC emissions in the EU cut by 20% between 2015 and 2021
The latest figures published by the EEA illustrate the impact of the F-gas Regulation on HFC emissions in the EU
Renewable energy consumption for heating and cooling in the EU
Over one fifth of energy used for heating and cooling from renewable sources in the EU.
Global 2020 air-conditioning market: figures and trends
Beyond the sharp decline in the air conditioning market in 2020 linked to the health crisis, strong trends have emerged: development of health-related functionalities, search for better energy efficiency and...
The Italian air-conditioning market
BSRIA presents the Italian chiller and packaged market.
The European heat-pump market
BSRIA presents the European heat-pump market by type, 2013-2018.
The global air-conditioning market
BSRIA presents the world air conditioning market from 2014 to 2020 in unit and value terms.
The European air-conditioning market
BSRIA presents the European air-conditioning market growth 2014-2015.
ASHRAE publishes the Energy Standard 90.4 for Data Centers
Data centers consume significant amounts of electricity. ASHRAE publishes a standard to help builders focus on energy efficiency.
Renewable energy consumption for heating and cooling in the EU in 2019
In 2019 as in 2018, over a fifth of the energy used for heating and cooling came from renewable sources in the EU.
Seawater for district cooling in tropical coastal areas
A recent study explored the pros and cons of using deep cold seawater as an alternative cooling solution in tropical coastal regions.
R1234yf as a working fluid in Organic Rankine Cycle systems
A recent review article presented the use of HFO R1234yf and its mixtures in Organic Rankine Cycle (ORC) systems, namely in applications for waste heat recovery from internal...
Spray freeze-drying technique for the manufacturing of pharmaceutical products
Some biopharmaceuticals such as vaccines have a short shelf life and must be handled with care. A recent literature review presents the spray freeze-drying technique as an interesting option for optimising the...
New cryogenic methods to control indoor air pollution
The journal Science of the Total Environment will publish in February 2019 an article exploring the capacity of cryogenic technologies to tackle indoor air pollution.
World air-conditioning market in 2019
Despite a decline of -0.8% in sales globally, many markets performed well in 2019. Inverter technology and smart air conditioners are steadily gaining ground globally while sales of R32 systems are increasing...
IIR news
3 results
Discover the Encyclopedia of Refrigeration
The IIR is proud to present the newest addition to its portfolio of scientific information products; the Encyclopedia of Refrigeration.
REAL Alternatives: blended Learning for Alternative Refrigerants
Last week the REAL Alternatives Europe programme partners met at IIR head offices to elaborate plans to translate the e-learning project into more languages.
Activities of IIR’s Commission B1 on “Thermodynamics and Transfer Processes”
Thermodynamics is essential for all topics covered by the IIR.
