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Modeling air handling units to create a diverse fault dataset for FDD innovation: lessons learned and recommendations.
IIR document
Development of a novel flow control system with arduino microcontroller embedded in double effect absorption chillers using the LiBr/H2O pair.
Copper pipework support and routing.
Fault detection and diagnosis of a refrigeration system using probabilistic neural network.
Unified theory of isothermal and non-isothermal turbulent flows in heating, ventilation, air conditioning and refrigeration.
An update on refrigeration piping design in New Zealand.
Simulateur de pannes dans les montages à contacteurs couplés aux appareils de régulation d'une installation frigorifique.
Failure simulator in fittings where contactors are paired with control devices in a refrigerating plant.
Influencia del control de las instalaciones de refrigeración utilizando lógica cableada o programada, en el consumo energético.
Influence of the control of the installations of refrigeration using wired or programmed logic, in the energy consumption.
Efecto de la concentración del hielo en el comportamiento de una bomba centrifuga operando con hielo líquido.
Effect of the concentration of ice on the behaviour of a centrifugal pump operating with ice slurry.
Experimental investigation of the transient flow in roots blower.
Full 3D numerical analysis of a roots blower with open-source software.
Three-dimensional CFD simulation of a roots blower for the hydrogen circulating pump.
Economic model predictive control for variable refrigerant flow heat recovery systems.
CFD investigation on particle deposition in aligned and staggered ribbed duct air flows.
Fault diagnosis for centrifugal refrigeration system based on probabilistic neural network.
[In Chinese. / En chinois.]
Refrigeration sector monitoring
15 results
A free guide for copper pipework support and routing
The IoR published a bulletin providing guidance on pipework support methods for copper pipework designed to contain refrigerant.
Reduce refrigerant leaks in supermarkets
Refrigerant leaks are a recurring problem, particularly in the commercial refrigeration sector. An American initiative aims to identify the main causes of leaks and to propose solutions to reduce...
Key figures for air conditioning technicians in India
According to a recent survey, 40% of Indian air conditioning technicians have no formal training, which reduces their chances of earning a good salary.
GEA AWP develops a new high-pressure float valve for NH3 and CO2
The Company GEA AWP has introduced an innovative mechanical high-pressure float valve designed for industrial refrigeration systems using NH3 and CO2.
High-efficiency inverter scroll compressors
Summary of an interesting paper from the 2016 Purdue Conference on compressors.
HFC alternatives: insufficient training in Europe
An AREA survey shows that in the EU, only 3.5-7% of F-Gas certified personnel are trained in the use of low-GWP refrigerants, depending on the alternative used.
New refrigerant leak detection and isolation technology.
Toshiba has introduced a system which will automatically isolate a specific section of air conditioning pipework in the event of a leak.
Virtual sensor for variable refrigerant flow AC system.
A summary referring to an article recently published in the International Journal of Refrigeration (IJR).
Must read in IJR: a comprehensive review on fault detection in HVAC systems
The latest research and developments in the fault detection and diagnostics of HVAC systems are presented in several articles recently published in the IJR.
France: A study on leak detection systems
A study focuses on two ways to detect refrigerant leaks: gas detectors and expert systems.
Ratification of the European Standard EN 378: the IoR publishes a guidance note to highlight the significant changes.
What are the main differences between the EN 378:2008 and the EN 378:2016 "Refrigerating systems, safety and environmental requirements" ? The Institute of Refrigeration answers through a four page Guidance Note.
France: The NF EN 378 standard enters into force on April 1st, 2017 (in French)
The NF EN 378 standard providing guidance for companies who work with refrigerating systems, entered into force in France on April 1st, 2017.
Inauguration of the largest LNG-powered cruise ship
In November 2022, MSC Cruises held a naming ceremony for MSC World Europa, the world’s largest LNG-powered cruise ship and one of the first to incorporate fuel cell...
Solar and kinetic energy to recharge cooling system for truck containers.
The system would allow savings of up to at least 20,000 litres of fuel annually and reduce costs of transport operations.
Low-cost cold storage in Kenya using evaporative cooling
A team of researchers from the Massachusetts Institute of Technology (MIT) and the University of Nairobi are designing affordable off-grid cold storage units for perishable crops in Kenya, using evaporative...
IIR news
2 results
Member news: Automated order-pickup kiosks use containers from Carrier Transicold
Member news: grocery kiosks are being set up in Estonia. The CO2 refrigeration system is supplied by Carrier Transicold.
First meeting of the IIR Working Group on Refrigeration Safety
During the Gustav Lorentzen conference in Valencia (Spain), the IIR Working Group “Refrigeration Safety”, chaired by Alexander Cohr Pachai, held its first meeting.
