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IIR document
Development of a novel flow control system with arduino microcontroller embedded in double effect absorption chillers using the LiBr/H2O pair.
VAV box duct design.
Noise and vibration attenuation in piping systems.
Numerical simulation of fault characteristics for refrigeration systems with liquid line receivers.
La corretta installazione di sistemi A/C e di refrigerazione inizia con le tecniche e le buone pratiche di sistemazione delle tubazioni.
Correct installation of refrigeration and air-conditioning starts with a better tubing arrangement.
Modelling study on stiffness characteristics of hydraulic cylinder under multi-factors.
A new design method of vortex tube based on unsteady processing vortex core and its experimental verification.
An update on refrigeration piping design in New Zealand.
Wall roughness influence on the efficiency characteristics of centrifugal pump.
Understanding variable flow systems. 2.
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.
Performance analysis of small refrigerating regenerators.
[In Chinese. / En chinois.]
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.
Understanding variable flow systems. 3.
Refrigeration sector monitoring
10 results
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.
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...
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.
High-efficiency inverter scroll compressors
Summary of an interesting paper from the 2016 Purdue Conference on compressors.
France: A study on leak detection systems
A study focuses on two ways to detect refrigerant leaks: gas detectors and expert systems.
Virtual sensor for variable refrigerant flow AC system.
A summary referring to an article recently published in the International Journal of Refrigeration (IJR).
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.
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.
IIR news
1 result
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.
