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1320 results
CFD Modeling of Pressure Drop through an OCP Server for Data Center Applications.
Modélisation CFD de la chute de pression dans un serveur OCP pour les applications de centre de données.
IIR document
Pressure drop in round cylindrical headers of parallel flow MCHXs: Pressure loss coefficients for single phase flow.
Pressure drop during near-critical-pressure condensation of refrigerant blends.
Effects of input parameters on pressure loss in the evaporator.
Detailed experimental investigations on frictional pressure drop of R134a during flow boiling in 5?mm diameter channel: The influence of acceleration pressure drop component.
Pressure drop during condensation of R-134a inside parallel microchannels.
Pressure drop model for condensation from superheated vapor.
Pressure drop of HFE7000 and HFE7100 during flow condensation in minichannels.
Pressure drop in condensing superheated zone.
An improved moving boundary heat exchanger model with pressure drop.
Pressure drop during flow boiling inside parallel microchannels.
An experimental investigation of flow boiling heat transfer and pressure drop of R134a in a horizontal 2.168 mm tube under hypergravity. 1. Frictional pressure drop.
Single phase pressure drop and flow distribution in brazed plate heat exchangers.
Pressure drop during condensation of R134a flowing inside a multiport minichannel.
Single phase flow pressure drop and heat transfer in rectangular metallic microchannels.
Refrigeration sector monitoring
13 results
IIR Rankine Conference 2020: Which alternative working fluids for ORC systems?
HFOs (hydrofluoroolefins), HCFOs (hydrochlorofluoroolefins) and hydrocarbons were the main alternatives to HFC245fa presented during the IIR Rankine Conference 2020.
Low GWP blends for domestic air conditioning
A review article presents the latest research trends on low GWP refrigerants, mainly HFC/HFO blends, for domestic air conditioning.
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.
Alternative mixtures for R134a
A NIST study identifies 23 non-flammable or slightly flammable mixtures as R134a alternatives in air conditioning.
Cryogenics 2021 highlights: applications of liquid nitrogen
Cryopreservation of biological materials to favour biodiversity and cooling of superconducting cables to allow transmission of electrical energy with zero resistance are key applications of liquid...
Global air conditioning market study in 2015
The global market contracted by 5% in value terms in 2015 whereas the market had shown a growth of 7% in 2014.
The global refrigeration compressor market
Bien que pénalisé par la pandémie de Covid-19 qui a fortement impacté le secteur du conditionnement d’air, le marché des compresseurs a progressé dans certains domaines tels que la chaîne du froid, l’industrie...
Heat pump sales in France
2013 Air-air Heat pumps (HPs) sales show significant increase
GL2018 highlights: CO2 systems now competitive in any climate
During the Gustav Lorentzen conference, which took place in Valencia in June 2018, CO2 was the refrigerant with the highest number of papers, with an emphasis on transcritical CO2 systems and technical solutions which would improve the energy...
Evaporative cooling without adding humidity
Scientists at the University of Harvard have designed a prototype evaporative cooling system called Cold-SNAP that effectively cools air at low cost for both dry and humid climates.
2018: a positive year for the French air-conditioning market
Residential and light commercial split units, as well as VRF systems, registered a strong growth.
French heat pump market situation
The total market showed an increase of sales in 2014 with a little over 192 967 units sold. This is a rise of 27% compared to 2013.
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.
IIR news
2 results
New IIR Informatory Note on solar cooling and other new publications
The IIR has just published an Informatory Note on solar cooling and has posted the Chinese version of the Informatory Note on the role of refrigeration in worldwide nutrition on its website.
IIR economic news service: the latest from our market report partners
The IIR has established partnerships with several leading market research companies, as well as with establishments that combine and provide detailed reports and global analytical studies on different sectors of the refrigeration or economic...
Encyclopedia of Refrigeration
3 results
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...
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...
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...
