Search results

  • Use of all-aluminum coils increasing

    All-aluminum heat exchanger coils called microchannel coils have been used in the automotive industry for over 20 years, but the technology – which uses an all-aluminium brazed fin construction – has been applied to the HVAC&R industry only...

    • Publication date : 2014/10/08
  • Briefs: Chilled ceilings and beams

    Chilled beams and ceilings, considered to be environmentally friendly, aesthetic, silent and energy saving, are attracting a great deal of interest. BSRIA (the Building Services Research and Information Association) estimates that the market,...

    • Publication date : 2004/07/27
  • MArkets: Chilled ceilings and beams

    Chilled ceilings and beams are booming! The latest developments have enhanced acceptance and the UK market grew 33% in 2006 compared with 2005, rising to around GBP 54 million. Tougher building regulations are raising demand for energy-efficient...

    • Publication date : 2008/02/12
  • Heating and cooling ceilings

    The upcoming translation of European Directive 2002/91/EC on improving energy efficiency in buildings into EU national legislation in January 2006 calls for a clear improvement in the energy efficiency of cooling and heating systems. In view of...

    • Publication date : 2005/10/26
  • Briefs: Chilled beams take off

    Several MIT buildings now boast what looks like slim, fin-tubed radiators in ceiling cavities. These cooling devices are chilled beams. They use water, not air, to remove heat from a room. The potential energy reduction of using chilled beams...

    • Publication date : 2010/03/07
  • Trends and Figures: Chiller market grows and diversifies

    According to reports published during the 2008 AHR Expo held on January 22-24, 2008 in New York, the chiller market in 2006 was USD 2 billion in Asia-Pacific, USD 1.5 billion in Europe and USD 1 billion in the US. The growth (as compared to 2005)...

    • Publication date : 2008/05/13
  • Chillers: efficiency takes off

    Chillers are key refrigerating systems since, according to the Department of Energy, in the US, they account for about 13% of the power consumed by the nation's buildings and 9% of the overall demand for electric power. Examples below illustrate...

    • Publication date : 2008/10/25
  • Fusion of a boiler and a heat pump into one new system, thanks to thermal compression

    Boostheat company has developed a new technology that is claimed to lead to a new generation of very efficient and renewable heating, hot water and cooling systems.

    • Publication date : 2015/08/04
  • Berry efficient chilling

    The storage and transport of berries has come a long way since they were transported by an iced horse cart in 1843. Today, growers in the Pajaro Valley from the Berry Bowl label are breaking in a brand new USD 2 million state-of-the-art flash...

    • Publication date : 2005/09/30
  • A novel method for frost detection

    Frost growth on the evaporator coils of a refrigeration plant can dramatically reduce its efficiency. A novel indirect detection method that would avoid frost built-up has been developed.

    • Publication date : 2020/02/06
  • Chile's energy outlook

    Summary of an article published in the Santiago Times in January 2018.

    • Publication date : 2018/02/08
    • Subjects: Figures, economy
  • Chile installs its first CO2 transcritical refrigeration system.

    Chila commits to promoting alternatives to HFCs.

    • Publication date : 2017/02/02
  • Global chiller market

    According to BSRIA, the global chiller market is likely to dip from USD 8.4 billion in 2011 to USD 8.3 billion in 2012 related to the overall global economic situation.

    • Publication date : 2013/05/21
    • Subjects: Figures, economy
  • Markets: Chillers

    According to a recent market report by BSRIA, an estimated 200 400 units of chillers were shipped worldwide in 2004. The estimated number of centrifugal chillers was 8500 with the USA at the centre of production (3500 units equal to 41% of the...

    • Publication date : 2006/01/28
  • Sorption chillers

    Sorption chiller technology is rapidly developing, especially that using solar energy. - As highlighted by Jacob and Kohlenbach* during the latest IIR Gustav Lorentzen Conference on Natural Working Fluids in Sydney, in Europe, numerous new...

    • Publication date : 2011/02/07
  • 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)
  • 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 : 2022/06/20
    • Langues : French, English
    • Themes : LNG and LPG
  • For IIR members only

    Global cold storage capacity

    This table presents the cold storage capacity in about 50 countries, based on data from the Global Cold Chain Alliance (GCCA).

    • Last update : 2021/12/06
    • Langues : English
    • Themes : Refrigerated storage: economics and statistics
  • 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
  • For IIR members only

    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 : 2022/10/12
    • Langues : French, English
    • Themes : Ice creams
  • Nanorefrigerants

    Nanorefrigerants are created by adding nanoparticles in suspension to a base refrigerant. They have a thermal conductivity that is 15% to 104% higher than that of the corresponding...

    • Last update : 2022/06/17
    • Langues : English, French
    • Themes : Nanofluids
  • For IIR members only

    Heat pump stock in Europe

    This table presents the stock of installed heat pumps, the CO2 emissions avoided and the number of jobs in the heat pump sector in Europe.

    • Last update : 2021/12/14
    • Langues : English
    • Themes : Heat pumps, energy recovery: economics and statistics
  • 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 : 2022/11/21
    • Langues : French, English
    • Themes : Freeze-drying in biology and medicine, Cryobiology, cryomedicine: general information
  • Hydrocarbon refrigerants

    Hydrocarbons such as R290 (propane), R600a (isobutane) or R1270 (propene/propylene) are low GWP non-toxic natural refrigerants with excellent thermodynamic properties. They offer an...

    • Last update : 2022/06/22
    • Langues : French, English
    • Themes : Hydrocarbons, Containment, refrigerant charge reduction
  • Global HFC emissions from the refrigeration sector

    This table shows HFC emissions from the refrigeration sector – including air conditioning – in million tonnes of CO2 equivalent for about 40 countries that are signatories...

    • Last update : 2022/01/20
    • Langues : English
    • Themes : General information on environment (climate change, ozone depletion…)
  • Thermophysical properties of HFC refrigerants

    Thermophysical properties of over 100 HFC refrigerants, including single-component and blends.

    • Last update : 2022/06/17
    • Langues : English
    • Themes : HFCs, HFO et HCFO, Blends
  • Thermophysical properties of HFO refrigerants

    Thermophysical properties of over 50 HFO refrigerants, including single-component and blends.

    • Last update : 2022/06/17
    • Langues : English
    • Themes : HFO et HCFO, Blends
  • Thermophysical properties of hydrocarbon refrigerants

    Thermophysical properties of over 20 hydrocarbon refrigerants, including single-component and blends.

    • Last update : 2022/06/17
    • Langues : English
    • Themes : Hydrocarbons, Blends