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Research and analysis on influence factors of accuracy of geotechnical thermal response test.
IIR document
Development of humidity measuring device using porous ceramic based on principle of psychrometer.
Bayesian calibration – what, why and how.
Attention mechanism-aided model ensemble method of chiller energy consumption prediction.
Simulation of a refrigeration compressor evaluating accuracy of results with variation in 3D component discretization.
Development and evaluation of an automated virtual refrigerant charge sensor training kit.
The application of active magnetic control system for piston centering in labyrinth piston compressor.
An analysis of homogeneous relaxation model accuracy for the CO2 expansion inside the two-phase ejector.
Assessment of the accuracy of solar irradiance models in mountain locations: the case of Bolzano, Italy.
Transient simulation of the active magnetic regenerator process.
Kernel regression for the approximation of heat transfer coefficients.
Compact plug&play monitors for precise low temperature measurements.
Comparison of model predictive control performance using grey-box and white-box controller models of a multi-zone office building.
Minimizing data collection for field calibration of steady-state virtual sensors for HVAC equipment.
Available online design and simulation of multistream plate-fin heat exchangers. Single-phase streams.
Refrigeration sector monitoring
14 results
Briefs: Accuracy of temperature-measuring equipment
Food Refrigeration & Process Engineering Research (FRPERC), University of Bristol (UK) has conducted studies on 3 types of temperature-monitoring equipment. The temperatures were measured between mock (tylose) food packs in 3 retail cabinets....
European minisplits: market overview
A recent analysis of the European minisplit market carried out by BSRIA forecasts steady growth overall in the next few years. Thanks to data collected from nine of the largest producers in Europe, and further interviews among other market to...
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.
US: intensification of research on refrigerant flammability
AHRI has set up a subcommittee to conduct a review of the safety issues around mildly flammable refrigerants.
Some HFOs have lower GWPs than CO2
US EPA has evaluated new HFO refrigerants as having similar or lower global warming potential than CO2.
Virtual sensor for variable refrigerant flow AC system.
A summary referring to an article recently published in the International Journal of Refrigeration (IJR).
MIRAI Intex, new corporate member of the IIR!
Presentation of MIRAI Intex and its flagship product: MIRAI COLD 15.
Humidity greatly impacts emissions from air conditioning
The environmental impact of controlling humidity in air conditioning may be larger than the impact of reducing temperatures, according to research from the National Renewable Energy...
Cold stores safety and energy consumption
During the IIR International Congress of Refrigeration, held in Yokohama in August 2015, two valuable papers focused on cold store energy consumption and safety issues.
Artificial intelligence techniques for energy-efficient HVAC systems
The benefits of Artificial Intelligence (AI) for Heating, Ventilation, and Air-Conditioning (HVAC) systems was one of the hot topics of the IIR-co-sponsored International Conference on Emerging Technologies for Sustainable and Intelligent HVACR...
Great potential for solar district cooling in Saudi Arabia
A recent modelling compares the performances of a two-stage and a single-stage absorption chiller in a solar district cooling system in Riyadh, Saudi Arabia.
ICR 2019: an overview of current refrigeration research (part II)
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.
Modelling energy use in a frozen food supermarket
A study presents a simulation used to model energy consumption in a frozen food supermarket in United Kingdom.
HFC emissions data
By using atmospheric measurements, the authors of a recent study published in the PNAS have found that the total CO2-equivalent emissions of the five most common HFCs increased from 198 (175–221) Tg-CO2-eq·y–1 in 2007 to 275 (246–304)...
IIR news
2 results
Member news: Presenting MIRAI Intex's Latest process cooling Innovation - X Cryo
Discover the latest advancement in process cooling technology from MIRAI Intex. X Cryo delivers precision and durability, meeting the needs of demanding industrial applications.
Member news: Latest news from Danfoss
Danfoss is improving its range of electric expansion valves and has started construction of an energy-efficient supermarket.
Encyclopedia of Refrigeration
1 result
Cold storage conditions for fruits and vegetables
Practical recommendations for the cold storage of over 200 cultivars of fruits, vegetables and herbs (storage temperatures, relative humidity, storage time, controlled atmosphere...
