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IIR document

Data driven assessment of a small scale evaporative condenser based on a combined artificial neural network with design of experiment approach.
- Author(s) : REICHERT H., DONNI R., SCHNEIDER P., ACUNHA I. C. Jr
- Publication date: 2020/07
- Languages :
- Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 115
- Formats : PDF
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IIR document

Scaling parameters between ammonia and water.
- Author(s) : SPINDLER K.
- Publication date: 2019/08/24
- Languages : English
- Keywords : Natural refrigerant, Heat transfer coefficient, R718, R717, Ammonia, Thermodynamic property, Modelling, Scaling, Boiling, Water
- Source: Proceedings of the 25^th IIR International Congress of Refrigeration: Montréal , Canada, August 24-30, 2019.
- Formats : PDF
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New perspectives for the application of large-scale heat pumps.
- Author(s) : HUETTL C., WENN N., VOSS J., REISSNER F., SCHAEFER J.
- Publication date: 2023/05/15
- Languages : English
- Keywords : Industrial application, Heat pump, District heating, Large scale, High temperature
- Source: 14^th IEA Heat Pump Conference 2023, Chicago, Illinois.
- Formats : PDF
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Recommended by the IIR

Seasonal thermal energy storage for large scale district heating.
- Author(s) : REMMELTS J., TENSEN S., FERREIRA C. I.
- Publication date: 2021/08/31
- Languages : English
- Keywords : District heating, Thermal energy storage, Heat pump, Renewable energy, Large scale, Simulation, Modelling, Performance
- Source: 13^th IEA Heat Pump Conference 2021: Heat Pumps – Mission for the Green World. Conference proceedings [full papers]
- Formats : PDF
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IIR document

Reporting of experimental viscosity data and modeling of transport properties of 1,1,1,3,3,3-hexafluoro-2-methoxypropane (HFE-356mmz) using extended corresponding states (ECS) and residual entropy scaling (RES) technique.
- Author(s) : MORSHED M., KARIYA K., MIYARA A.
- Publication date: 2023/07
- Languages : English
- Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 151
- Formats : PDF
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Reducing water consumption by increasing the cycles of concentration and Considerations of corrosion and scaling in a cooling system.
- Author(s) : RAHMANI K.
- Publication date: 2017/03/05
- Languages : English
- Keywords : Consumption, Cooling tower, Programming, Expérimentation, Scaling, Corrosion, Water
- Source: Applied Thermal Engineering - vol. 114
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Performance characterization of an ice-storage system for small scale cooling applications.
- Author(s) : BEDRU HUSSEN M., TORRES-TOLEDO V., MÜLLER J., ALEMU D., CORONAS A.
- Publication date: 2020/11/11
- Languages : English
- Keywords : Ice, Energy storage, Small scale, Compressor, Temperature, Performance, COP, Energy efficiency, Expérimentation
- Source: X Congreso Ibérico y VIII Congreso Iberoamericano de Ciencias y Técnicas del Frío, CYTEF 2020.
- Formats : PDF
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IIR document

Empirical modeling and robust control of a novel meso-scale vapor compression refrigeration system (mVCRS).
- Author(s) : SUNG T., KIM Y. J., KIM H. S.
- Publication date: 2017/05
- Languages : English
- Keywords : Refrigerating system, Small scale, Mechanical vapour compression, Control (automatic), Cooling capacity, Modelling
- Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 77
- Formats : PDF
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IIR document

Brine-to-water heat pump test system for small-scale oil-free turbo compressors.
- Author(s) : PETER A., ARPAGAUS C., MENET R., SCHIFFMANN J., BERTSCH S. S.
- Publication date: 2023/08/21
- Languages : English
- Keywords : Heat pump, Small scale, Brine, Oil free compressor, Test rig, Design, Expérimentation, Prototype
- Source: Proceedings of the 26^th IIR International Congress of Refrigeration: Paris , France, August 21-25, 2023.
- Formats : PDF
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IIR document

Quantification and comparison of COP improvement approaches for large-scale ammonia heat pump systems.
- Author(s) : HARTMUND JORGENSEN P., OMMEN T., ELMEGAARD B.
- Publication date: 2021/09
- Languages : English
- Keywords : COP, Ammonia, District heating, Large scale, Heat pump, Reciprocating compressor, Denmark, Optimization, Case study
- Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 129
- Formats : PDF
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IIR document

Adaptive model-based monitoring of large-scale heat pump prone to evaporator fouling.
- Author(s) : AGUILERA J. J., MEESENBURG W., MARKUSSEN W. B., POULSEN J. L., ZÜHLSDORF B., ELMEGAARD B.
- Publication date: 2023/08/21
- Languages : English
- Keywords : District heating, Heat pump, Large scale, Fouling, Heat exchanger, Evaporator, Case study, Simulation, Modelling, Denmark
- Source: Proceedings of the 26^th IIR International Congress of Refrigeration: Paris , France, August 21-25, 2023.
- Formats : PDF
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IIR document

Design considerations for dynamically operated large-scale ammonia heat pumps.
- Author(s) : MEESENBURG W., KOFLER R., OMMEN T., et al.
- Publication date: 2019/08/24
- Languages : English
- Keywords : Large scale, Design, Denmark, R717, Ammonia, Two-stage system, Simulation, Heat pump, Single-stage system, Case study, District heating
- Source: Proceedings of the 25^th IIR International Congress of Refrigeration: Montréal , Canada, August 24-30, 2019.
- Formats : PDF
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IIR document

Small-scale turbocompressors for wide-range operation with large tip-clearances for a two-stage heat pump concept.
- Author(s) : JAVED A., ARPAGAUS C., BERTSCH S., et al.
- Publication date: 2016/09
- Languages : English
- Keywords : Turbine, Small scale, Clearance, CFD, Two-stage system, Heat pump, Modelling, Compressor
- Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 69
- Formats : PDF
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IIR document

Numerical study of condensation heat transfer performance and liquid film distribution characteristics in small-scale helium liquefiers.
- Author(s) : WEI T., ZHU S., CHEN X., ZHI X., WANG K., BAO S., QIU L.
- Publication date: 2023/12
- Languages : English
- Keywords : CFD, Model, Heat transfer, Film condensation, Helium, Liquefaction, Liquefied gas, Cryocooler, Small scale
- Source: International Journal of Refrigeration - Revue Internationale du Froid - Vol. 156
- Formats : PDF
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Recommended by the IIR / IIR document

Small-scale solar-based adsorption ice maker for Indian climate.
- Author(s) : VINGELSGARD E., TOLSTOREBROV I., WIDELL K. N., MITRA S., MADDALI R., EIKEVIK T. M.
- Publication date: 2020/12/07
- Languages : English
- Keywords : Ice making plant, R134a, Energy balance, Adsorbent, Solar energy, Adsorption system, Small scale, Simulation, India, Methanol, Ethanol, Hot climate, Case study
- Source: 14^th IIR-Gustav Lorentzen Conference on Natural Refrigerants (GL2020). Proceedings. Kyoto, Japon, December 7-9^th 2020.
- Formats : PDF
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See all results in the Fridoc database

New energy-efficient way to make ammonia

The traditional way of manufacturing ammonia leaves a huge carbon footprint. An Australian team of researchers have found a cheaper and greener way to make ammonia from air, water, and renewable electricity....
- Publication date : 2021/02/08
- Subjects: Environment, HFCs alternatives
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Improving cooling towers' efficiency

An article published in Water Technology provides information on cooling towers and their operation.
- Publication date : 2018/01/19
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2015 commercial air conditioners market in China

Total shipments of commercial air conditioners amounted to RMB 60 billion (USD 9.2 billion) in 2015, representing a 7% year on year decrease, the largest drop since the financial crisis in 2008.
- Publication date : 2016/05/12
- Subjects: Figures, economy
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Vapour compression refrigeration for space applications

An IJR review paper presents the history of vapour-compression refrigeration systems used in microgravity environments and sets the next steps of research needed to achieve reliable...
- Publication date : 2021/01/27
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Briefs: CO2 systems Receive Awards in the USA

Three companies developing or using CO2, received awards in the United States in 2010: Kysor/Warren, a company based in Georgia was honoured with the 2009-2010 GreenChill Distinguished Partner Award, from the US Environmental Agency (EPA) for its...
- Publication date : 2011/02/07
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INWIC at ICR 2023: An inspirational event in the fight for gender equality in the refrigeration sector

At ICR 2023, the IIR’s CaRe (Career in Refrigeration) working group organised an INWIC (International Network of Women in Cooling) round table on Monday 21st August 2023. This discussion panel...
- Publication date : 2023/09/04
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The IIR at COP13/CMP3 in Bali

During the United Nations Conference on Climate Change which was held in Bali, Indonesia on December 3-14, 2007, delegates have agreed on both the agenda for the negotiations and a 2009 deadline for completing them. However, the text does not...
- Publication date : 2007/12/27
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Your invitation: United Nations Food Systems Summit 2021

The UN has invited the Director General of the IIR to present key data from two of its Informatory Notes during the Food Systems Summit 2021 to take place on September 20.
- Publication date : 2021/09/13
- Subjects: Technology, Environment
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IIR publishes a new Technical Brief: Domestic heat pumps using hydrocarbons - Current status and market overview in Europe

At a time when the energy transition is at the top of the global agenda, the IIR is publishing a new Technical Brief on domestic hydrocarbon heat pumps. This strategic document...
- Publication date : 2024/11/21
- Subjects: Figures, economy
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IIR at COP29 in Baku: Week 1 in review

The first week of COP29 in Baku, Azerbaijan, brought together global leaders, scientists, and industry stakeholders to tackle pressing climate issues. Among the key participants, the...
- Publication date : 2024/11/17
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News from IIR members: Sofrigam

Sofrigam has developed new technology following extensive research over a 2-year period: a fast locking system that ensures security and sealing of its passive refrigerated packaging.
- Publication date : 2013/04/19
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