GRETh

Résumé : A space-saving cooling system for an aircraft may include an evaporator in an enclosure with an accumulation region in the enclosure for a liquid mixture of liquid refrigerant and lubricating oil. Space saving may be achieved through a…

Résumé : A heat exchanger comprises a tube and fins extending from an outer surface of the tube in a helical path. The fins comprise serrated sections and solid sections that are disposed in a predetermined arrangement along the helical…

Résumé : A heat exchanger having a structure in which micro-channel tubes are respectively fitted into both sides of corresponding flat fins for heat exchange, thereby achieving enhancements in drainage and heat transfer performance. The heat exchanger includes a first…

Résumé : The present invention relates to a brazed plate heat exchanger made of stainless steel and having a burst pressure of at least 65 bar and comprising a heat exchange plate pack with plates having an area larger than…

Résumé : A method if provided for manufacturing a bundle of plates for a heat exchanger made up of a stack of plates. The method includes reducing by machining the initial thickness of each plate by making at least at…

Les courriers du GRETh n°14 sont disponibles dans la section Newsletter. Voici un bref aperçu du sommaire de ces courriers : (Chauffage, Ventilation, Réfrigération et Conditionnement d’Air (HVAC)) Conférences et salons 1. CONFERENCES 2. SALONS Réunions techniques 1. Formation GRETh…

Conférences et salons / Réunions techniques / Veille réglementaire, information sur les fluides frigorigènes / Réunion sur les gaz fluorés à Bruxelles / Information du secteur professionnel / Innovations et nouveaux produits / Veille scientifique

Dans le cadre du programme européen THERMONANO un séminaire est organisé lors du salon PAST2012 le 11 Mai à Milan. Thermonano objective : "Low temperature heat recovery is often limiting the energy efficiency of industrial processes. Low temperature differences imply…

Summary : Today reduction of our fossils energetic reserves, the imperative need to preserve our environment under threat to see extinction of the human species, commit us to promote sustainable strategies for energy management. Furthermore, energy demand is fluctuating, seasonal,…

Résumé : Ce manuscrit s’articule donc autour de quatre chapitres. Le premier concerne l’optimisation des échangeurs à ailettes Mota. Il présente des définitions générales sur les échangeurs de chaleur ainsi qu’un état de l’art sur l’intensification des échanges dans les…