Search results

The influence of airflow characteristics and accumulation grid velocity on the formation of a stone wool primary layer.

• Author(s) : PETERNELJ M., BIZJAN B., SIROK B.
• Publication date: 2017/06
• Languages : English
• Source: Strojniski vestnik - Journal of mechanical Engineering - vol. 63 - n. 6
• Formats : PDF

Recommended by the IIR

Hydrogen energy systems: A critical review of technologies, applications, trends and challenges

• Author(s) : YUE M., LAMBERT H., PAHON E., ROCHE R., JEMEI S., HISSEL D.
• Publication date: 2021/08
• Languages : English
• Source: Renewable and Sustainable Energy Reviews - 146
• Formats : PDF

IIR document

Analysis of rock behaviour at low temperature during Brazilian tests with ultrasonic waves.

• Author(s) : CÔTÉ H., THIMUS J. F.
• Publication date: 1998/10/21
• Languages : English
• Source: Permafrost and Actions of Natural or Artificial Cooling
• Formats : PDF

A home away from home.

• Publication date: 2010/09
• Languages : English
• Source: EcoLibrium - vol. 9 - n. 8
• Formats : PDF

IIR document

SIMULATION OF A SOLAR OFFICE HEATING SYSTEM WITH AIR COLLECTORS AND A ROCK BED STORE.

• Author(s) : MICHELSON E.
• Publication date: 1982/03/14
• Languages : English
• Source: Solar Energy for Refrigeration and Air Conditioning.
• Formats : PDF

IIR document

NUMERICAL MODELLING OF THE ROCK-FREEZING PROBLEM.

• Author(s) : KALINOWSKI E., KUDELA H., LANGE G.
• Publication date: 1983/08/07
• Languages : English
• Source: [Refrigeration serving humanity]. Proceedings of the XVI^th international Congress of Refrigeration.
• Formats : PDF

Improving the efficiency of mine ventilation and cooling systems through active control.

• Author(s) : GUNDERSEN R. E., GLEHN F. H. von, WILSON R. W.
• Publication date: 2007/11
• Languages : English
• Source: RACA Journal - vol. 23 - n. 9
• Formats : PDF

Solubility trapping in formation water as dominant CO2 sink in natural gas fields.

• Author(s) : GILFILLAN S. M. V., SHERWOOD LOLLAR B., HOLLAND G., et al.
• Publication date: 2009/04/02
• Languages : English
• Source: Nature - vol. 458 - n. 7238

IIR document

COMPARISON BETWEEN SOIL, ROCK, GROUND WATER AND LAKES AS HEAT SOURCE FOR HEAT PUMPS. THEORY AND PRACTICE.

• Author(s) : JOHANSSON I.
• Publication date: 1983/08/07
• Languages : English
• Source: [Refrigeration serving humanity]. Proceedings of the XVI^th international Congress of Refrigeration.
• Formats : PDF

IIR document

Refrigeration system with integrated liquid line and low environmental impact.

• Author(s) : LEDUCQ D., ROCHE C., MACCHI-TEJEDA H., et al.
• Publication date: 2009/04/06
• Languages : English
• Source: RCR 2009. 1st IIR Workshop on Refrigerant Charge Reduction in Refrigerating Systems.
• Formats : PDF

IIR document

Quality loss in stored frozen products due to temperature fluctuations. Prediction by means of Z transfer functions.

• Author(s) : SALVADORI V. O., ROCHE L. A., MASCHERONI R. H.
• Publication date: 1992/09/07
• Languages : English
• Source: Proposals for the generation and use of refrigeration in the 21st century.
• Formats : PDF

Cryogenic turbulence instrumentation.

• Author(s) : LADAM Y., PIETROPINTO S., ROCHE P. E., et al.
• Publication date: 2003/04/22
• Languages : English
• Source: Cryogenics and refrigeration. Proceedings of ICCR 2003.

IIR document

Use of transfer functions for the characterization of temperature and quality of stored frozen foods.

• Author(s) : DALMENDRAYGÓMEZ N. A., ROCHE L. A., SALVADORI V. O., et al.
• Publication date: 1999/09/19
• Languages : English
• Source: 20^th International Congress of Refrigeration: Refrigeration into the Third Millennium.
• Formats : PDF

IIR document

Storage of frozen foods: effect of operation conditions of the cold store on food quality and energy costs.

• Author(s) : SALVADORI V. O., DALMENDRAY N. A., ROCHE L. A., MASCHERONI R. H.
• Publication date: 1998/09/16
• Languages : English
• Source: Hygiene, Quality and Safety in the Cold Chain and Air Conditioning.
• Formats : PDF

Global fluorochemicals market

The global fluorochemicals industry was valued at USD 15.3 billion in 2011 and is expected to generate revenue of USD 21.5 billion by 2018, growing at a CAGR of 5% from 2012 to 2018.

• Publication date : 2014/04/07
• Subjects: HFCs alternatives

Global fluorochemicals market expected to reach USD 25 billion by 2020

HCFC refrigerants still account for over 60% of the total fluorocarbon market worldwide, according to a new report.

• Publication date : 2014/04/30
• Subjects: Figures, economy

German researchers approach absolute zero

Physicists at the University of Bremen, Germany have produced the lowest temperature ever recorded, at 38 picoKelvin, which is 38 trillionths of a degree above absolute zero.

• Publication date : 2021/11/15
• Subjects: Technology

Near absolute zero molecules.

MIT succeeded in chilling molecules in a gas of sodium potassium (NaK) to a temperature of 500 nanokelvins.

• Publication date : 2015/09/02

Heat pumps: an approach to select the highest performing refrigerant mixture

One of the most downloaded IJR articles in 2019 concludes that zeotropic mixtures have the potential to significantly improve both the thermodynamic and economic performance of heat pumps in suitable applications.

• Publication date : 2019/04/30

Nanotechnology based approaches to increase the performance of HVAC systems

EnE-HVAC, or Energy efficient heat exchangers for HVAC applications, is a collaborative project funded by the EU to achieve significant energy savings in future HVAC systems via new and innovative technologies.

• Publication date : 2015/04/24

World demand for fluorocarbons to rise annually by 3.4% through 2016

According to a recent market report on fluorochemicals by Freedonia, global demand for fluorine containing chemicals is forecast to rise 3.9% per year to 3.5 million tonnes in 2016, valued at USD 19.7 million.

• Publication date : 2012/06/08
• Subjects: Figures, economy

Creation of Arkema: a new global chemical player

On October 1, 2004, Total put in place a new organization for its chemical business, marked by the creation of a new unit: Arkema, a new global chemical player. Hence, the chemical division is now divided into 3 business units. - Total...

• Publication date : 2004/11/19

Briefs: Middle East - DuPont expresses anger over counterfeit R22 and R134a refrigerants

DuPont has set up a task force to help local authorities deal with refrigerant counterfeits in the Middle East, it claims are potentially harmful. Pascal Faidy, business manager at DuPont Fluorochemical Refrigerants, claims they were dangerous for...

• Publication date : 2009/12/09

Refrigerant news: Mexichem

Mexichem intends to compete with DuPont and Honeywell in the development of a replacement refrigerant for HFC-134a in car air conditioning systems. The company, which in February 2010 bought the Ineos fluorochemicals unit, has announced...

• Publication date : 2011/02/07

Brief: Creation of Arkema

Creation of Arkema: a new global chemical player On October 1, 2004, Total reorganized its chemical business into 3 business units. These include Total Petrochemicals and Specialties (the chemistry branch) and implied the creation of a new unit:...

• Publication date : 2005/02/11

Brief: Cryotemperatures save flooded archives

In February 2010, "Xynthia", a major storm swept over La Rochelle, France. In order to rescue the archives of the "Conseil Général de Charente Maritime" the departmental authority that were covered with 2-metre deep sea water, cryogenic...

• Publication date : 2011/02/07

Briefs: Record-breaking CDM deals in Asia

The Clean Development Mechanism, established under the Kyoto Protocol, is a project and market-based mechanism that allows industrialized countries to invest in greenhouse-gas-mitigating activities in developing countries and earn certified...

• Publication date : 2006/11/15

Do aliens use CFCs?

What if the search for extra-terrestrial life took a new turn? A grant recently awarded to a team of scientists will finance research for "technosignatures", which would include CFCs.

• Publication date : 2020/06/29

Legionnaires’ disease

Two outbreaks of Legionnaires' disease are in the news: - Thirteen deaths have occurred among 85 patients who contracted Legionnaires' disease in the northern French prefecture of Pas-de-Calais. The main cause of the outbreak is a cooling tower at...

• Publication date : 2004/04/28

The IIR and CIHEAM closer than ever!

On June 4, 2014 M. Cosimo Lacirignola, CIHEAM’s General Secretary and Mr Didier Coulomb, Director of the IIR, signed a Memorandum of Understanding in Paris.

• Publication date : 2014/06/10

MOP 27: Strong debate in the run-up to COP21

MOP 27 delegates continued firm discussions and addressed the outcomes of OEWG 36

• Publication date : 2015/11/04

IIR member news: STEF to acquire Ebrex France

STEF takeover warms up.

• Publication date : 2013/09/04

News from IIR members: Air Liquide: fast expansion in Turkey

Turkey has a dynamic economy with a growth rate of 9% in 2010. Its industries are developing and diversifying, and the petrochemical sector is expanding.Air Liquide recently signed a long-term contract with the Turkish petrochemical Group...

• Publication date : 2012/02/28

World Refrigeration Day 2021 reaches every corner of the globe!

This year, seven organisations partnered with World Refrigeration Day to bring to the limelight the exciting career opportunities in fields relying on refrigeration.

• Publication date : 2021/09/08

The long awaited ICR2015 is underway!

Held every four years, this year ICR2015 welcomes 1,011 conference delegates from 55 countries, making it a truly global refrigeration event.

• Publication date : 2015/08/19

Ohrid 2015: Ammonia and CO2 refrigeration technologies at the forefront

In light of the intense debate on the F-Gas regulation, its implementation worldwide, as well as proposed amendments to the Montreal Protocol, the conference provided the ideal forum for the exchange of knowledge on ammonia and CO2 technologies.

• Publication date : 2015/04/21

Editorial by Didier Coulomb

Since the beginning of the year, the Focus section of the Newsletter has dealt with environmental measures in general and measures addressing HFCs (hydrofluorocarbons) in particular that have already been adopted or are foreseen in various...

• Publication date : 2009/12/09

Your invitation: United Nations Food Systems Summit 2021

The UN has invited the Director General of the IIR to present key data from two of its Informatory Notes during the Food Systems Summit 2021 to take place on September 20.

• Publication date : 2021/09/13
• Subjects: Technology, Environment

In Memoriam: Joe Paul

Prof. Joachim (Joe) Paul, Delegate of Denmark since 2003 and President of the IIR’s Executive Committee and Management Committee since 2007, died on August 28, 2012.

• Publication date : 2012/10/23

Obituary: Carole Bond 

We were deeply saddened to learn that Carole Bond, a former pioneer of the IIR Working Group CaRe (Careers in Refrigeration), passed away last November. 

• Publication date : 2022/12/13

Happy New Year 2022!

Best wishes from the IIR.

• Publication date : 2021/12/23

Obituary: José Miguel Corberán

The IIR is deeply saddened to learn of the passing of José Miguel Corberán Salvador, former President of Commission B2, at the age of 65.

• Publication date : 2022/07/08

Member news: Koura introduces new refrigerant for air conditioning

Refrigerant manufacturer Koura recently introduced R468C, a refrigerant that could replace R410A in air conditioning systems.  

• Publication date : 2022/10/27
• Subjects: HFCs alternatives

Obituary: Prof Ezio Fornasieri

The IIR would like to express its sincere condolences to the family and relatives of Prof Ezio Fornasieri, who died in November 2013 at the age of 70.

• Publication date : 2013/11/26

Liquefied Natural Gas: production process and cold energy recovery

Liquefied natural gas (LNG) is natural gas that has been cooled to about -160 °C and turned into a liquid to facilitate transportation and storage. A typical LNG supply chain...

• Last update : 2023/06/23
• Langues : French, English
• Themes : LNG and LPG

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...

• Last update : 2023/03/10
• Langues : French, English
• Themes : Freeze-drying in biology and medicine, Cryobiology, cryomedicine: general information

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...

• Last update : 2023/11/07
• Langues : French, English
• Themes : Freezing of foodstuffs

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...

• Last update : 2023/06/30
• Langues : French, English
• Themes : Ice creams

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...

• Last update : 2022/09/07
• Langues : French, English
• Themes : Evaporators, condensers and other heat exchangers

Cold storage conditions for fruits and vegetables

Practical recommendations for the cold storage of over 200 cultivars of fruits, vegetables and herbs (storage temperatures, relative humidity, storage time, controlled atmosphere...

• Last update : 2023/01/16
• Langues : French, English
• Themes : Fruit, Vegetables

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...

• Last update : 2022/09/16
• Langues : French, English
• Themes : Caloric cooling (magnetocaloric, electrocaloric, elastocaloric and barocaloric cooling)