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Thermosiphon loop thermal collector for low-temperature waste heat recovery.

• Author(s) : MATSUBARA K., MATSUDAIRA Y., KOURAKATA I.
• Publication date: 2016/01/05
• Languages : English
• Keywords : Heat transfer, Thermosyphon, Heat recovery, Performance, Expérimentation, Waste heat
• Source: Applied Thermal Engineering - vol. 92

IIR document

Heat pump heat recovery options for food industry dryers.

• Author(s) : WANG J. F., BROWN C., CLELAND D. J.
• Publication date: 2018/02
• Languages : English
• Keywords : Food industry, Design, Heat recovery, Dryer, Drying, Heat pump, Transcritical cycle
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 86
• Formats : PDF

Experimental study of gas-solid overall heat transfer coefficient in vertical tank for sinter waste heat recovery.

• Author(s) : FENG J., DONG H., GAO J., et al.
• Publication date: 2016/02/25
• Languages : English
• Keywords : Heat transfer coefficient, Tank, Heat recovery, Nusselt, Expérimentation
• Source: Applied Thermal Engineering - vol. 95

IIR document

Ammonia and carbon dioxide heat pumps for heat recovery in industry.

• Author(s) : BRIX W., CHRISTENSEN S. W., MARKUSSEN M. M., et al.
• Publication date: 2012/06/25
• Languages : English
• Keywords : Comparison, Heat recovery, R744, Ammonia, Heat pump, Industry, Waste heat, CO2
• Source: 10^th IIR-Gustav Lorentzen Conference on Natural Working Fluids (GL2012). Proceedings. Delft, The Netherlands, June 25-27, 2012.
• Formats : PDF

Improving heat recovery using retrofitted heat pump in air handling unit with energy wheel.

• Author(s) : WALLIN J., CLAESSON J.
• Publication date: 2014/01
• Languages : English
• Keywords : Ventilation, Heat recovery, Simulation, Thermal wheel, Heat pump
• Source: Applied Thermal Engineering - vol. 62 - n. 2

IIR document

Improved measurements for better decision on heat recovery solutions with heat pumps.

• Author(s) : DJURIC N., NOVAKOVIC V., FRYDENLUND F.
• Publication date: 2012/09
• Languages : English
• Keywords : Measurement, Control (automatic), Heat recovery, Heat pump, Performance, Case study, Energy saving
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 35 - n. 6
• Formats : PDF

IIR document

Research on waste heat recovery from gas engine for auxiliary heating: An emerging operation strategy to gas engine-driven heat pump.

• Author(s) : ZHANG R., TIAN Z., LIU F., TIAN C., MA Z., JIA L.
• Publication date: 2021/01
• Languages : English
• Keywords : Waste heat, Recovery, Heating, Energy storage, Gas engine, Comparison, Heat pump
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 121
• Formats : PDF

Evaluation of heat pumping and waste heat recovery for battery electric vehicle thermal management.

• Author(s) : SHELLY T. J., WEIBEL J. A., ZIVIANI D., GROLL E. A.
• Publication date: 2021/05
• Languages : English
• Keywords : Battery, Electric vehicle, Cooling, Waste heat, Recovery, Thermal property, Modelling
• Source: 2021 Purdue Conferences. 18^th International Refrigeration and Air-Conditioning Conference at Purdue.
• Formats : PDF

Performance evaluation of a capacity-regulated high temperature heat pump for waste heat recovery in dyeing industry.

• Author(s) : WU X., XING Z., HE Z., et al.
• Publication date: 2016/01/25
• Languages : English
• Keywords : Control (automatic), Heat recovery, Heat pump, Performance, High temperature, Screw compressor
• Source: Applied Thermal Engineering - vol. 93

IIR document

Low-grade industrial waste heat recovery with CO2 transcritical heat pumps in cold climates.

• Author(s) : MINEA V.
• Publication date: 2012/06/25
• Languages : English
• Keywords : Industrial application, Heat recovery, R744, Prototype, Heat pump, Transcritical cycle, Waste heat, CO2, Cold climate
• Source: 10^th IIR-Gustav Lorentzen Conference on Natural Working Fluids (GL2012). Proceedings. Delft, The Netherlands, June 25-27, 2012.
• Formats : PDF

Low-grade waste heat recovery for simultaneous chilled and hot water generation.

• Author(s) : GARIMELLA S.
• Publication date: 2012/09
• Languages : English
• Keywords : Heat recovery, Ammonia-water, Absorption, Heat pump, Expérimentation, Heating, Waste heat
• Source: Applied Thermal Engineering - vol. 42

IIR document

Performance of an air conditioning system heat recovery unit with pulsating heat pipes heat exchanger.

• Author(s) : XIE G., AN L., ZHANG L.
• Publication date: 2015/08/16
• Languages : English
• Keywords : Heat pipe, Heat recovery, Performance, Expérimentation, Energy saving, Air conditioning, Heat exchanger
• Source: Proceedings of the 24th IIR International Congress of Refrigeration: Yokohama, Japan, August 16-22, 2015.
• Formats : PDF

Bombas de calor de amoniaco y CO2 para la recuperacíon de calor en la industria.

Ammonia and carbon dioxide heat pumps for heat recovery in industry.

• Author(s) : BRIX W., CHRISTENSEN S. W., MARKUSSEN M. M., et al.
• Publication date: 2013/04
• Languages : Spanish
• Keywords : Comparison, Heat recovery, R744, Ammonia, Heat pump, Industry, Waste heat, CO2
• Source: Frío Calor Aire acondicionado - vol. 41 - n. 457
• Formats : PDF

A Graphical Method for Combined Heat Pump and Indirect Heat Recovery Integration.

• Author(s) : AGNER R., ONG B. H. Y., STAMPFLI J. A., KRUMMENACHER P., WELLIG B.
• Publication date: 2022/04
• Languages : English
• Keywords : Industrial application, Heat pump, Heat recovery, Case study, Dairy industry, Heating, Optimization, Thermal energy storage, Refrigeration
• Source: Energies - 15 - 8
• Formats : PDF

Computational modeling and experimental validation of heat recovery ventilator under partially wet conditions.

• Author(s) : NAM S. H., HAN H.
• Publication date: 2016/02/25
• Languages : English
• Keywords : Thermal analysis, CFD, Ventilation, Heat recovery, Condensation, Heat exchanger
• Source: Applied Thermal Engineering - vol. 95

UK: a dual purpose heat pump chiller with heat recovery

A Salisbury District Hospital’s unit has recently been equipped with an innovative high efficiency heat pump chiller.

• Publication date : 2018/02/18

Single-fuel LNG ferries with waste heat recovery systems

A Dutch ferry operator has recently commissioned two new ships with single-fuel LNG engines. The ships are also equipped with a waste heat recovery system to generate electricity.

• Publication date : 2021/03/18
• Subjects: General information, Technology

Waste heat recovery to eliminate the novel coronavirus in HVAC systems

A recent study proposes a technique for eliminating SARS-CoV-2 from cleanroom HVAC systems using the recovered heat of exhaust air. The modified system could be easily implemented in...

• Publication date : 2020/09/04

Data centre in Finland recovers waste heat

The companies Ericcson and Fortum signed an agreement to recover a data centre waste heat for district heating.

• Publication date : 2017/10/12

R1234yf as a working fluid in Organic Rankine Cycle systems

A recent review article presented the use of HFO R1234yf and its mixtures in Organic Rankine Cycle (ORC) systems, namely in applications for waste heat recovery from internal...

• Publication date : 2021/09/07
• Subjects: Technology

Solar-powered modular facade capable of cooling and heating a building

In Germany, researchers are testing a modular solar-powered facade that includes a mini heat pump for heating and cooling, and a decentralised ventilation unit with heat...

• Publication date : 2022/02/07
• Subjects: Technology

Innovative HFO/CO2 cascade for supermarket application

An innovative CO2/R1234ze cascade refrigeration system with heat recovery has been installed into a 1500 m2 sales area supermarket in Parma, Italy.

• Publication date : 2016/08/08
• Subjects: HFCs alternatives

Ejectors could improve CO2 transcritical system efficiency by up to 20% in Southern climates

Thanks to the ejectors, the annual energy efficiency improvement potential compared to traditional CO2 systems with parallel compression is between 10 to 20%, depending on the climatic region and the integration of heat recovery systems.

• Publication date : 2014/12/03

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.

• Publication date : 2019/10/30

ISO 5149 standard revision: negative vote

Draft revised ISO/FDIS 5149 (Parts 1 to 4) standard “Refrigerating systems and heat pumps -- Safety and environmental requirements” which was submitted for voting on October 3, 2012, has been rejected by ISO countries (except Part 4 on operation,...

• Publication date : 2012/10/10
• Subjects: Regulation

An award-winning industrial dairy using an integrated heat pump system

A recent case study examined the energy consumption and system performance of an innovative integrated heat pump system of a dairy located in Norway. This dairy was among the winning projects of the 2019 “Heat...

• Publication date : 2021/03/29
• Subjects: Environment, Technology

Heat from Scottish water could save € 300 million

Using heat pumps in the rivers and lochs of Scotland could save businesses in the country around € 300 million annually on bills.

• Publication date : 2014/05/15
• Subjects: Figures, economy

Innovative solutions to reduce cooling needs for data centres

As the world’s demand for data continues to expand, the creation of new data centres poses the issue of cooling. Innovative solutions using renewable energy sources and heat recovery are presented...

• Publication date : 2020/05/27
• Subjects: Technology

Growth in the world heat pump market

The world heat pump market increased 7.2% by volume in 2013 to almost 2 million units.

• Publication date : 2014/09/04
• Subjects: Figures, economy

ICR2019: overview of current refrigeration research topics (part IV)

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.

• Publication date : 2019/10/30

Commission E2: at the forefront of heat pumps and energy recovery

Activities of the IIR’s Commission E2 “Heat Pumps, Energy Recovery”

• Publication date : 2015/07/01

Activities of the IIR’s Commission E2 “Heat Pumps, Energy Recovery”

Presentation of IIR Commission E2 activities by Per Lundqvist, President of Commission E2

• Publication date : 2015/05/22

IIR member news: Angelantoni Group

“COLD ENERGY” is an innovative solution to improve energy efficiency both for old and new compression refrigeration systems by transferring a highly efficient automotive technology to enhance energy recovery of heat exchangers.

• Publication date : 2017/01/20

Two new IIR Informatory Notes on Energy Recovery!

The IIR has just published two new Informatory Notes on energy recovery: one on Energy Recovery in Mechanical Ventilation Systems and the other one on Air-to-Air Energy Recovery Equipment. 

• Publication date : 2021/06/29

Call for papers: 2014 International Sorption Heat Pump Conference

ISHPC 2014 extends abstract deadline until September 13, 2013

• Publication date : 2013/09/03

ICR 2011 in Prague: a Resounding Success

The 23rd IIR International Congress of Refrigeration held in Prague, on August 21-26, 2011, was highly successful...

• Publication date : 2011/08/30

News from IIR members: Danfoss

A pleasant indoor climate and no energy costs. This is what it feels like to live in the Zero+ house - the first home in Denmark that produces more power than is actually consumed. The house supplies its own heating and electricity and generates...

• Publication date : 2011/02/04

The IIR publishes two new IIR Informatory Notes on Energy Recovery!

The International Institute of Refrigeration (IIR) has just published two new Informatory Notes on energy recovery: one on Energy Recovery in Mechanical Ventilation Systems and the other one on Air-to-Air Energy...

• Publication date : 2021/07/13
• Subjects: Environment, Technology

News from IIR members: Mayekawa

Mayekawa has supplied 6 Pascal Air units to Fukazawa Reizo's refrigerated fish warehouse in Yaizu, Japan. The Pascal Air units were launched recently and comprise a turbo-type expander, a compressor, a primary cooler and a heat recovery heat...

• Publication date : 2010/05/27

IIR Research Priorities

The IIR decided, within the framework of its Strategic Plan, to draw up a list of research priorities for the future. It hopes that these priorities will be a valuable guiding force for decision-makers in the public and private research sectors,...

• Publication date : 2005/07/19

Discover the Encyclopedia of Refrigeration

The IIR is proud to present the newest addition to its portfolio of scientific information products; the Encyclopedia of Refrigeration.

• Publication date : 2022/07/01
• Subjects: General information, Figures, economy, Technology

Editorial by Didier Coulomb

The 23rd International Congress of Refrigeration (ICR2011) will take place in Prague on August 21-26, 2011. This will be the key refrigeration event in 2011 and will deal with all facets of refrigeration and refrigeration technology. Around...

• Publication date : 2011/02/07

IIR Working Parties

The IIR has 10 commissions: Cryophysics, cryoegineering (A1); Liquefaction and separation of gases (A2); Thermodynamics and transfer processes(B1); Refrigerating equipment (B2); Cryobiology, cryomedicine (C1); Food science and engineering (C2);...

• Publication date : 2009/12/09

26th IIR International Congress of Refrigeration - Call for abstract

Abstract submission for the 26th International Congress of Refrigeration is extended. ICR 2023 is scheduled from 21st to 25th August 2023 in Paris.

• Publication date : 2022/07/11

New IIR Informatory Note on The Role of Refrigeration in the Global Economy

In its latest Informatory Note, the IIR highlights the major and growing role of the refrigeration industry in the global economy, particularly in the areas of food, health, energy and the environment. It calls on policy makers to consider this...

• Publication date : 2019/08/29
• Subjects: Figures, economy

Liquefied Natural Gas: production process and cold energy recovery

Liquefied natural gas (LNG) is natural gas that has been cooled to about -160 °C and turned into a liquid to facilitate transportation and storage. A typical LNG supply chain...

• Last update : 2022/06/20
• Langues : French, English
• Themes : LNG and LPG

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...

• Last update : 2022/09/07
• Langues : French, English
• Themes : Evaporators, condensers and other heat exchangers

For IIR members only

Heat pump stock in Europe

This table presents the stock of installed heat pumps, the CO2 emissions avoided and the number of jobs in the heat pump sector in Europe.

• Last update : 2021/12/14
• Langues : English
• Themes : Heat pumps, energy recovery: economics and statistics

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...

• Last update : 2022/09/16
• Langues : French, English
• Themes : Caloric cooling (magnetocaloric, electrocaloric, elastocaloric and barocaloric cooling)