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  • A low charge direct expansion evaporator system configured to use less ammonia

    A US-based meat processor operates a cold storage facility that uses just 1 kg approx ammonia per kW.

    • Publication date : 2018/05/17
  • 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
  • ICR2011 highlights: cooling particle detectors

    Cooling systems for particle detectors attracted interest at the IIR’s Congress in Prague in August 2011. These highly specific applications have very strict requirements compared with standard cooling systems: refrigerants should be resistant to...

    • Publication date : 2012/02/21
  • Micro-refrigeration

    Future computer chips will probablly generate 10 times more heat than today's microprocessors and will require new types of cooling systems. Currently, computers are usually cooled thanks to fans and small finned devices called heat sinks, but the...

    • Publication date : 2008/08/12
  • Micro-Innovation

    Mechanical engineers at Purdue University have created a miniature device that aims to replace conventional evaporators. Cited as a "long-term solution" in technological advances, the use of existing technical know-how for the refrigeration loop...

    • Publication date : 2005/07/19
  • Solar cooling: Low-cost solar vaccine refrigerator

    About 2 million people around the world die each year of diseases preventable by widely used vaccines. In Africa and parts of Asia, over half of all vaccines that require refrigeration spoil before they can be administered. Millions of lives and...

    • Publication date : 2011/02/04
  • Briefs: AHR Exposition Award

    This year the winner of AHR Exposition Award was Delphi Corp.'s innovative micro channel evaporator, capable of performing both cooling and heating functions for residential or commercial settings. It is highly efficient as it uses a compact...

    • Publication date : 2010/03/07
  • Briefs: First MAC system using an ejector

    Denso Corporation has developed the world's first passenger mobile air-conditioning system that uses ejector technology. The ejector, which is a small refrigerant injector, was installed on the new Prius introduced by Toyota in May 2009. According...

    • Publication date : 2009/08/13
  • New solar-cooling technology for cooling-freezing

    Refrigeration is often based on compressor technology which consumes electricity. A recently developed system making it possible to achieve relatively low temperatures solely using solar energy has been designed by PROMES, a laboratory working...

    • Publication date : 2007/05/04
  • Briefs: Embraco's new miniature compressor

    In Newsletter No. 35, we reported on research, especially at Purdue University, on the design of miniature evaporators and compressors. Still in the testing phase, but already considered a technological innovation, Embraco's new miniature...

    • Publication date : 2009/05/18
  • An ejector refrigeration system optimised for sub-zero temperatures on fishing vessels

    Large amounts of diesel fuel are used to power fishing vessels engines and on-board refrigeration systems. In a recent theoretical study, an energy-efficient sub-zero refrigeration system proposed based on a...

    • Publication date : 2021/05/31
    • Subjects: Technology
  • ICR2019: overview of current refrigeration research topics (part III)

    Energy storage, desiccant air conditioning, high-temperature heat pumps and ejector technologies were some of the salient topics of the latest IIR Congress. Continuation of the synthesis of key presentations of ICR2019.

    • Publication date : 2019/10/30
  • CO2 applications: First hospital catering facility refrigeration system to run with CO2 in the UK

    A CO2 unit supplied by Green & Cool has been installed and commissioned by CCS Refrigeration, through Aggora on behalf of Medirest to provide for the on-site catering requirements of patients, restaurant and hospital staff at the Homerton...

    • Publication date : 2011/02/07
  • 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
  • Brief: System to go!

    Danfoss has been awarded its 4th consecutive Refrigeration Innovation Award for a completely self-contained refrigeration system. The Interchangeable Cooling Engine (I.C.E.) was designed for vending machine applications - it is already compliant...

    • Publication date : 2006/05/05
  • 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 : English, French
    • Themes : Evaporators, condensers and other heat exchangers
  • 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 : English, French
    • Themes : Caloric cooling (magnetocaloric, electrocaloric, elastocaloric and barocaloric cooling)