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A simplified p-V diagram testing method for domestic refrigerator compressors.

• Author(s) : JIAN Z., WU W., ZHANG Z., et al.
• Publication date: 2017/07/20
• Languages : English
• Keywords : Sensor, Volume, Diagram, Refrigerator, Performance, Model, Pressure, Compressor
• Source: 8th international conference on compressors and refrigeration, 2017.
• Formats : PDF

IIR document

Experimental phase diagram of the dodecane–tridecane system as phase change material in cold storage.

• Author(s) : GUNASEKARAN S., KUMOVA S., CHIU J. N. W., et al.
• Publication date: 2017/10
• Languages : English
• Keywords : Diagram, Temperature, PCM, Expérimentation, Cold storage, Freezing, Melting
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 82
• Formats : PDF

IIR document

Diagrams of entropy for ammonia–water mixtures: Applications to absorption refrigeration systems.

• Author(s) : DOS SANTOS NAPOLEAO D. A., SILVEIRA J. L., GIACAGLIA O., et al.
• Publication date: 2017/10
• Languages : English
• Keywords : Diagram, Ammonia-water, Absorption system, Thermodynamic property, Optimization, Modelling, Mixture, Entropy
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 82
• Formats : PDF

IIR document

Temperature-heat diagram analysis method for multi-stage heat regeneration physical adsorption refrigeration cycle.

• Author(s) : XU S. Z., WANG L. W., WANG R. Z.
• Publication date: 2015/08/16
• Languages : English
• Keywords : Heat, Diagram, Temperature, Regeneration, Adsorption system, Multistage system, Heat exchanger
• Source: Proceedings of the 24th IIR International Congress of Refrigeration: Yokohama, Japan, August 16-22, 2015.
• Formats : PDF

P-V diagram measurement of a variable speed rotary compressor with large displacement.

• Author(s) : QIAN Y., ZHANG L., ZHANG X., et al.
• Publication date: 2018/07/09
• Languages : English
• Keywords : Variable speed, Diagram, Volumetric efficiency, Pressure, Expérimentation, Energy efficiency, Thermodynamic cycle, Rotary compressor
• Source: 2018 Purdue Conferences. 24^th International Compressor Engineering Conference at Purdue.
• Formats : PDF

IIR document

Employment of dynamic temperature-time-transformation (DTTT) diagrams on phase change materials (PCM).

• Author(s) : RUBIO-PEREZ G., MUNOZ-RUJAS N., WORLITSCHEK J., AGUILAR F.
• Publication date: 2021/09/01
• Languages : English
• Keywords : PCM, Stability, Cycle, Measuring instrument, Organic compound, Temperature, Time, Diagram, Expérimentation, Melting, Energy storage
• Source: 13^rd IIR Conference on Phase-Change Materials and Slurries for Refrigeration and Air Conditioning. Proceedings: (online) Vicenza, Italy, September 1-3, 2021.
• Formats : PDF

IIR document

Temperature-heat diagram analysis method for heat recovery physical adsorption refrigeration cycle. Taking multi-stage cycle as an example.

• Author(s) : WU Z. S., WANG R. Z., WANG L. W.
• Publication date: 2017/02
• Languages : English
• Keywords : Heat, Diagram, Temperature, Heat recovery, Adsorption system, Multistage system
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 74
• Formats : PDF

IIR document

Fault diagnosis of a vapor compression refrigeration system with hermetic reciprocating compressor based on p-h diagram.

• Author(s) : KOCYIGIT N., BULGURCU H., LIN C. X.
• Publication date: 2014/09
• Languages : English
• Keywords : Refrigerating system, Mechanical vapour compression, Diagram, Anomaly, Hermetic compressor, Reciprocating compressor
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 45
• Formats : PDF

IIR document

Interrelation of magnetic phase diagram and magnetic refrigerator performance.

• Author(s) : SRIVASTAVA V., JOHNSON F.
• Publication date: 2014/09/07
• Languages : English
• Source: 6^th International Conference on Magnetic Refrigeration at Room Temperature (Thermag VI). Proceedings: Victoria, Canada, September 7-10, 2014.
• Formats : PDF

Pressure-volume diagrams of scroll compressors at various operating points.

• Author(s) : PICAVET A., GINIES P.
• Publication date: 2014/07/14
• Languages : English
• Source: 2014 Purdue Conferences. 22nd International Compressor Engineering Conference at Purdue.
• Formats : PDF

IIR document

The water-sucrose diagram, sucrose hydrates and frozen stability of sweet products.

• Author(s) : LE BAIL A., ROOS Y. H., JHA P. K., LE BAIL P.
• Publication date: 2024/06/11
• Languages : English
• Source: 8^th IIR International Conference on Sustainability and the Cold Chain. Proceedings: June 9-11 2024
• Formats : PDF

Analysis of indicator diagrams of a water injected twin-shaft screw-type expander.

• Author(s) : NIKOLOV A., BRÜMMER A.
• Publication date: 2016/07/11
• Languages : English
• Source: 2016 Purdue Conferences. 23^rd International Compressor Engineering Conference at Purdue.
• Formats : PDF

Experimental research on indicator diagrams of a water-lubricated twin-screw air compressor.

• Author(s) : WANG C., TIAN Y., CHEN W., et al.
• Publication date: 2018/07/09
• Languages : English
• Source: 2018 Purdue Conferences. 24^th International Compressor Engineering Conference at Purdue.
• Formats : PDF

Study of a piston force based F-V diagram monitoring method for reciprocating compressors.

• Author(s) : ZHANG Z., WU W., JIAN Z., et al.
• Publication date: 2017/07/20
• Languages : English
• Source: 8th international conference on compressors and refrigeration, 2017.
• Formats : PDF

Experimental Study on P-V diagram and motion curve of suction and discharge valve of reciprocating compressor.

• Author(s) : HUANG G., SHEN X., YAN Z.
• Publication date: 2018/07/09
• Languages : English
• Source: 2018 Purdue Conferences. 24^th International Compressor Engineering Conference at Purdue.
• Formats : PDF

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...

• Publication date : 2022/03/07
• Subjects: Figures, economy

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 

• Publication date : 2023/05/26

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.

• Publication date : 2020/04/05
• Subjects: Environment

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...

• Publication date : 2021/02/23
• Subjects: Figures, economy

The Italian air-conditioning market

BSRIA presents the Italian chiller and packaged market.

• Publication date : 2016/04/20
• Subjects: Figures, economy

The European heat-pump market

BSRIA presents the European heat-pump market by type, 2013-2018.

• Publication date : 2016/04/21
• Subjects: Figures, economy

The global air-conditioning market

BSRIA presents the world air conditioning market from 2014 to 2020 in unit and value terms.

• Publication date : 2016/04/21
• Subjects: Figures, economy

The European air-conditioning market

BSRIA presents the European air-conditioning market growth 2014-2015.

• Publication date : 2016/04/19
• Subjects: Figures, economy

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.

• Publication date : 2017/02/09

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.

• Publication date : 2021/01/12
• Subjects: Environment, Figures, economy

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.

• Publication date : 2020/12/21
• Subjects: Technology

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...

• Publication date : 2021/09/07
• Subjects: Technology

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...

• Publication date : 2020/12/14
• Subjects: Technology

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.

• Publication date : 2018/12/27

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...

• Publication date : 2020/03/01
• Subjects: Figures, economy

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.

• Publication date : 2022/07/01
• Subjects: General information, Figures, economy, Technology

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.

• Publication date : 2015/06/23

Activities of IIR’s Commission B1 on “Thermodynamics and Transfer Processes”

Thermodynamics is essential for all topics covered by the IIR.

• Publication date : 2017/02/23

Technical visit to the Tokyo fish market

At the ICCC conference last June, attendees had the opportunity to participate in technical visits, including a tour of the Tokyo fish market. Alain Le Bail, President of IIR Commission C2, joined the visit and...

• Publication date : 2024/11/15