Search results

  • 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...

    • Publication date : 2022/02/21
    • Subjects: Technology
  • Heat exchanger design can improve the performance of PCMs

    According to a recent review article, optimising the design of heat exchangers in latent heat thermal energy storage systems (LHTES) is one way of improving the thermal conductivity of phase change materials...

    • Publication date : 2021/02/12
    • Subjects: Technology
  • Heat exhangers: what's new?

    Nanotechnology: the future of heat exchangers? The US Department of Energy has awarded contracts to improve energy efficiency. One such contract, awarded to TIAX, a technology development company, through the Small Business Innovation...

    • Publication date : 2006/05/05
  • ICR 2019: an overview of current refrigeration research (part I)

    Presentation of the main scientific and technical topics covered in the papers of the 25th IIR International Congress of Refrigeration and summary of some of the 14 keynotes.

    • Publication date : 2019/09/30
    • Subjects: HFCs alternatives
  • Briefs: Sustainable fishery in Namibia

    Since November 2009, Hangana Seafood has a new pre-sorting facility in Walvis Bay harbour, Namibia, which uses ammonia as a refrigerant. The 2800 m² sorting facility has a 0°C chill room for holding unsorted fish, two 16°C temperature-controlled...

    • Publication date : 2011/02/04
  • Briefs: Electronic air conditioning

    David Sattler, from Sattler Consulting, a Melbourne-based firm (Australia) was awarded an AUD 80000 federal government grant to further his work on a new type of air conditioner, allowing for large cooling effects (and a heating potential) with...

    • Publication date : 2011/02/11
  • Briefs: Largest distribution centre in Africa

    The centre, built by Woolworths in Midrand, South Africa has a surface area of 72 000 m². The 2-stage refrigeration system uses 4.2 tons of ammonia. It operates at -9°C/+32°C on the low stage while the high-stage ammonia circuit is used to chill...

    • Publication date : 2008/02/12
  • Brief: Industrial Refrigeration Consensus

    During the Industrial RefrigerationConsensus hosted by Danfoss, held in December 2004 in Sønderborg , Denmark , the main following points were reached through workshop discussions with focus on the industrial refrigeration issues (thus the points...

    • Publication date : 2005/06/14
  • Brief: Protrait of an optimal system

    With looming commitments under the Kyoto Protocol, energy efficiency in buildings, including in art galleries, is essential. Paintings not only require an aesthetic environment, but one in which the air temperature and humidity is controlled. The...

    • Publication date : 2006/05/05
  • Green cooling solutions for the Olympics

    VANOC, the Vancouver Organizing Committee (www.Vancouver2010.com), claims that these Olympics are the greenest ever and there are whole lists of environmentally friendlier features in the venues. And...

    • Publication date : 2010/02/19
  • Autonomous systems for refrigerated transport

    The refrigerated transport sector is looking for solutions to reduce fuel consumption, refrigerant emissions and noise emissions. - Autonomous systems cooled by cryogenic secondary coolants offer alternatives. A system developed in Germany uses...

    • Publication date : 2009/02/25
  • Waste heat recovery to eliminate the novel coronavirus in HVAC systems

    A recent study proposes a technique for eliminating SARS-CoV-2 from cleanroom HVAC systems using the recovered heat of exhaust air. The modified system could be easily implemented in...

    • Publication date : 2020/09/04
  • PCM thermal energy storage for indoor environments

    During the IIR PCM 2018 conference which took place on May 21-23 in Orford, Canada, numerous applications of phase-change materials (PCMs) and slurries were presented, including in commercial refrigeration (refrigerated display cabinets), domestic...

    • Publication date : 2018/06/22
  • The expansion of refrigeration applications of Thermal Energy Storage and PCMs

    Based on a selection of papers from two recent IIR conferences, overview of thermal energy storage and PCM applications in the fields of refrigerated transport, display cabinets, fishing vessels, food processing...

    • Publication date : 2021/11/29
  • For IIR members only

    Temperature control and sustainability, the challenges of 3D meat printing

    Temperature control is a key factor that still limits the application of 3D printing in the meat industry, according to recent scientific publications. 

    • Publication date : 2023/01/26
    • Subjects: Technology
  • 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
  • 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
  • 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.

    • Last update : 2022/11/17
    • Langues : French, English
    • Themes : General information on environment (climate change, ozone depletion…)
  • 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)