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Critical heat balance error for heat exchanger experiment based on entropy generation method.
IIR document
Experimental and numerical study of heat transfer characteristics using the heat balance in a linear compressor.
Hybrid ground source absorption heat pump in cold regions: thermal balance keeping and borehole number reduction.
Air-to-water heat pumps as a substitution of oil-boiler in a non-retrofitted multi-family building of the 70’s. In-situ monitoring, actual energy balance and performance.
Numerical performance assessment of heat pumps in Rankine-based Carnot battery systems for grid balancing services.
Regional flow motion and heat energy balance analysis of a 10,000 class pharmaceutical cleanroom with secondary return air conditioning system.
Uravnoteženje toplog i hladnog. kako naci optimalnu temperaturu tople vode za industrijske visokotemperaturske amonijacne toplotne pumpe.
Balancing hot and cold. How to find the optimum delivery temperature for an industrial high temperature ammonia heat pump.
Agregované tepelné charakteristiky budov Cást 1: Motivace a odvození hlavních charakteristik.
Aggregated thermal characteristics of buildings Part 1: Motivation an derivation of the main characteristics.
Theoretical analysis of the end-plate effect on heat transfer in brazed plate heat exchangers.
Experimental investigation of energy balance during the door opening of a refrigerated truck.
Method of on-site determination of refrigerating machine efficiency.
Thermodynamic analysis of an absorption heat transformer based on experimental measurements.
Detailed thermal model of open-drive single-screw expanders for ORC applications.
Real-time thermal load calculation by automatic estimation of convection coefficients.
A methodology for energy use evaluation in complex buildings - Applied in a shopping mall case study.
Refrigeration sector monitoring
15 results
Experimental Study on Automotive Cooling and Heating Air Conditioning System Using CO2 as a Refrigerant
This paper was presented at the IIR Gustav Lorentzen Conference in Glasgow (Sep. 2004). It presents an experimental study on automotive cooling and heating air conditioning systems using CO2 as refrigerant. Recently, as one of the countermeasures...
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.
Record: heat pump less than 10 g of propane per kW
German researchers have developed a refrigeration circuit integrating a propane heat pump that achieves a heating power of 12.8 kW with only 124 g of refrigerant.
Growth in the world heat pump market
The world heat pump market increased 7.2% by volume in 2013 to almost 2 million units.
Efficient cooling methods to reduce heat stress in pigs
Microclimate parameters such as air temperature and humidity are important indicators of animal welfare. Besides, heat stress is more detrimental to productivity in the swine...
The need for air conditioning is increasing in the EU
Recent Eurostat figures show an increase in the number of cooling degree days in the EU-27 Member States. This indicates an increase in the need for air conditioning over the last decades.
Smart Community Project to transform energy usage in the UK
A Japanese consortium is going to commence the demonstration phase of a project to help to transform the energy usage in the UK.
Ionocaloric cooling: a new technology under development in the US
A cooling technique using liquid-to-solid phase change fcould be an alternative to vapour compression systems, according to researchers at the University of Berkeley.
Cool like a butterfly wing
New study demonstrates that butterfly wings contain a network of living cells with specific thermodynamic and thermoregulatory properties. Butterfly wings cool down as a result of low solar absorption combined with efficient radiative heat...
EU project for airports HVAC system
The European Union is launching a project to reduce airport HVAC energy needs and carbon emissions.
Net zero: some initiatives in the field of refrigeration
As part of the Race to Zero campaign launched by the UNFCCC, two initiatives on refrigeration have recently been promoted.
Revision of EU F-Gas Regulation sparks debate
The European Parliament’s recent tougher proposals on heat pumps and air conditioners have provoked many reactions.
Heat pump market in Finland
According to the Finnish Heat Pump Association SULPU, 60 000 heat pumps were sold last year. In 2015, Finns invested approximately 350 million Euros in heat pumps, out of their own pockets.
IEA “Net Zero by 2050” roadmap: the role of the refrigeration sector
In its latest report, the IEA stresses that the path to net‐zero emissions by 2050 is narrow. In this context, the refrigeration sector, including heat pumps, has an important role to play.
LNG, a pillar of EU gas supply diversification
Given the geopolitical context, the EU has presented a plan to phase out its dependence on fossil fuels from Russia well before 2030 and, in particular, to reduce its imports of Russian gas by two thirds by the...
IIR news
4 results
CryoHub: EU project CryoHub is inviting cold chain companies to become ‘CryoHub Champions’
The CryoHub innovation project investigates and extends the potential of large-scale Cryogenic Energy Storage (CES) and applies the stored energy for both cooling and power generation.
IIR Women in Refrigeration Award at ICR 2023
During the 26th International Congress of Refrigeration in Paris in August 2023, a brand new award will be presented: the IIR Women in Refrigeration Award. It will reward exceptional scientific work...
Available - New IIR publication: Technological options for retail refrigeration
Written by several experts from the acclaimed London South Bank University (UK), the International Institute of Refrigeration (IIR) is proud to present the “Technological options for retail refrigeration”.
Obituary: Jozef Mlynarczyk
The IIR would like to express its sincere condolences to the family and relatives of Jozef Mlynarczyk, who died on March 19, 2018.
Encyclopedia of Refrigeration
1 result
Cryogenic nitrogen in the food and beverage industry
The adoption of cryogenic processes in the food and beverage industry is predominantly driven by liquid nitrogen (LIN), and it is the preferred candidate for food chilling and...
