Veille sectorielle

Briefs: Water savings thanks to hybrid condensers

Hybrid condensers offer significant water savings versus traditional water-cooled and evaporative condensers. They also make it possible to reduce energy consumption and refrigerant charge. In Australia, where water savings are a major issue since...

• Date de publication : 05/08/2007

Le marché mondial des condenseurs évaporatifs.

Une projection pour les dix prochaines années.

• Date de publication : 02/03/2017

Un système frigorifique à éjecteur optimisé pour des températures négatives sur les navires de pêche

De grandes quantités de carburant diesel sont utilisées pour alimenter les moteurs des navires de pêche et les systèmes frigorifiques à bord. Une étude théorique récente a proposé un système frigorifique pour...

• Date de publication : 31/05/2021
• Sujets : Technologie

À noter dans la RIF : derniers résultats de la R&D dans le domaine des réfrigérateurs domestiques (en anglais)

Panneaux d’isolation sous vide, condenseurs à mini-canaux et PCM : 3 axes de recherche et développement pour réduire la consommation énergétique des réfrigérateurs domestiques.

• Date de publication : 31/01/2019

Des chercheurs développent une puce capable de détecter très rapidement les légionnelles (en anglais)

Des chercheurs de l'Université technique de Munich affirment avoir développé un test permettant de détecter rapidement les bactéries du genre Legionella.

• Date de publication : 09/04/2018

Briefs: Energy-efficient district cooling in Paris

The chilled-water urban cooling network in Paris, run by Climespace is made up of 6 plants and chilled water storage systems, with a 250 MW total refrigerating capacity and distribution temperatures from 0.5°C-4°C. Two different technical...

• Date de publication : 07/02/2011

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...

• Date de publication : 05/05/2006

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...

• Date de publication : 25/10/2008

Conférence IIF Rankine 2020 : quels fluides actifs alternatifs pour les systèmes ORC ?

Les HFO (hydrofluorooléfines), les HCFO (hydrochlorofluorooléfines) et les hydrocarbures sont les principales alternatives au HFC245fa mises en avant durant la Conférence Rankine 2020 de l’IIF.

• Date de publication : 04/09/2020
• Sujets : Alternatives aux HFC

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...

• Date de publication : 05/05/2006

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...

• Date de publication : 12/02/2008

Brief: York International

York International signed a 25 million USD contract, believed to be the largest ever air-conditioning contract of this type, to provide cooling to the Dubai Airport extension. The York team worked alongside the Dubai department of Civil Aviation...

• Date de publication : 11/02/2005

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 Research (SBIR) programme, shall be used to develop a...

• Date de publication : 24/01/2006

Briefs: ARTI's 21st Century Research Program

During the 2004 ASHRAE Winter meeting in Anaheim, results from several research projects initiated under the ARTI (Air-Conditioning and Refrigeration Technology Institute) 21st Century Research Program - initiated by ARI (Air-Conditioning and...

• Date de publication : 28/04/2004

Cool Carrier

At the end of October of this year Carrier Transicold introduced Deltek㤠hybrid diesel electric technology to the North American refrigerated transport industry offering more reliable, easier maintained transport refrigeration systems at the...

• Date de publication : 24/01/2006

Cool Carrier

At the end of October of this year Carrier Transicold introduced Deltek hybrid diesel electric technology to the North American refrigerated transport industry offering more reliable, easier maintained transport refrigeration systems at the lowest...

• Date de publication : 22/12/2005

Refrigerant news: Training in CO3

- NVKL, the Dutch association of contractors, distributors and manufacturers, recently opened the first training centre of natural refrigerants in Europe. The new training centre is located in Ede, the Netherlands. It comprises: detection and...

• Date de publication : 07/02/2011

ICR 2019: tour d'horizon des thèmes de recherche actuels dans le froid (partie III)

Le stockage d’énergie, le conditionnement d’air à déshydratant, les pompes à chaleur haute température ou encore les technologies à éjecteur ont constitué quelques-uns des thèmes dominants du dernier congrès de l’IIF. Suite de la synthèse des...

• Date de publication : 30/10/2019

Briefs: Morning dew: a source of drinking water

Researchers at Grenoble CEA, in France, have designed, thanks to a new material, a collector that can collect and condense dew, providing a precious additional source of water, and furthermore, of drinking water. The device is based on the...

• Date de publication : 26/07/2006

Briefs: CO2 heat pumps in a retirement home

Villa Laura, a retirement home near Florence, Italy, is equipped with 4 water/water ground-water heat pumps operating with a transcritical CO2 cycle providing heating, air conditioning and hot water. This technology is already used to produce hot...

• Date de publication : 20/11/2007

US

The US food industry's preparation to R-22 phase-out was one of the issues addressed at the 27th annual Food Marketing Institute Energy Conference in Phoenix, US, in September 2006. At least 70% of US commercial refrigerating systems still use...

• Date de publication : 12/02/2007

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...

• Date de publication : 04/02/2011

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...

• Date de publication : 04/05/2007

Charge minimization in hydrocarbon systems

This paper was presented at the IIR Gustav Lorentzen Conference in Glasgow (Sep. 2004). It presents the results of the project to minimize charge in a R290 system that has 1-1.5 kW refrigeration capacity. Currently, there are many guidelines...

• Date de publication : 24/11/2004

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...

• Date de publication : 07/02/2011