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IIR document

High efficiency air cooled heat exchangers for CO2 applications.

• Author(s) : FILIPPINI S., MERLO U., MARIANI G., et al.
• Publication date: 2019/08/24
• Languages : English
• Keywords : Efficiency, R744, Air-cooled exchanger, Evaporator, Testing, Condenser, Heat exchanger, CO2
• Source: Proceedings of the 25^th IIR International Congress of Refrigeration: Montréal , Canada, August 24-30, 2019.
• Formats : PDF

IIR document

Design optimization of an air-cooled bifurcated tube heat exchanger.

• Author(s) : HUANG Z., LING J., AUTE V., et al.
• Publication date: 2019/08/24
• Languages : English
• Keywords : Heat transfer coefficient, Fin, Tube, Design, Air-cooled exchanger, Air flow, Optimization, Heat exchanger, Water, Pressure drop
• Source: Proceedings of the 25^th IIR International Congress of Refrigeration: Montréal , Canada, August 24-30, 2019.
• Formats : PDF

IIR document

Flow characteristics of air-water two phase flow in a plate heat exchanger.

• Author(s) : MAHMUD M. S., KAWAZOE A., MUSTAGHFIRIN M. A., et al.
• Publication date: 2015/08/16
• Languages : English
• Keywords : Two-phase flow, Air-water, Modelling, Flow, Heat exchanger, Plate exchanger
• Source: Proceedings of the 24th IIR International Congress of Refrigeration: Yokohama, Japan, August 16-22, 2015.
• Formats : PDF

Estudio de una bomba de calor aire/agua funcionando con un intercambiador compacto o un intercambiador de tubo aleteado.

Investigation of a air/water heat pump using compact exchanger or finned tube exchanger.

• Author(s) : GARCÍA-CASCALES J. R., ILLÁN GÓMEZ F., HIDALGO-MOMPEÁN F., et al.
• Publication date: 2016/05/03
• Languages : Spanish
• Keywords : R134a, Finned tube, Air-water, Heat pump, Performance, Compact heat exchangeur, Refrigerant charge
• Source: CYTEF 2016. VIII Congreso Ibérico y VI Congreso Iberoamericano de las Ciencias y Técnicas del Frío, Coimbra-Portugal, 3-6 mayo, 2016.
• Formats : PDF

IIR document

A new ground-coupled heat pump system integrated with multi-mode air-water heat exchanger to eliminate thermal imbalance.

• Author(s) : YOU T., SHI W., WU W., et al.
• Publication date: 2015/08/16
• Languages : English
• Keywords : Air-water, Ground, Simulation, Heat pump, Performance, Heat exchanger
• Source: Proceedings of the 24th IIR International Congress of Refrigeration: Yokohama, Japan, August 16-22, 2015.
• Formats : PDF

IIR document

Design and analysis of R290 high capacity air to water heat pump with finned tube heat exchanger of small diameter.

• Author(s) : NAVARRO-PERIS E., GONZÁLVEZ-MACIÁ J., CORBERÁN J. M., et al.
• Publication date: 2014/08/02
• Languages : English
• Keywords : Finned tube, Air-water, R290, Propane, Heat pump, Performance, Refrigerant, Refrigerant charge, Heat exchanger
• Source: 11^th IIR Gustav Lorentzen Conference on Natural Refrigerants (GL2014). Proceedings. Hangzhou, China, August 31-September 2, 2014.
• Formats : PDF

Heat exchanger ejector application in products refrigeration processing.

[In Ukrainian. / En ukrainien.]

• Author(s) : KOGUT V., MINIENKOV V., KHMELNIUK M.
• Publication date: 2014
• Languages : Ukrainian
• Keywords : Humidification, Snow gun, Meat, Air, Humidity, Ejector, Freezing, Heat exchanger
• Source: Holodil'na Tehnika i Tehnologiâ - vol.50 - n.3

Effects of diffuser orifice plate on the performance of air-cooled steam condenser.

• Author(s) : ZHANG X., WU T.
• Publication date: 2016/04/05
• Languages : English
• Keywords : Wind, Diffuser, Air-cooled exchanger, Simulation, Performance, Orifice
• Source: Applied Thermal Engineering - vol. 98

Numerical Investigation on Thermal–Hydraulic Performance of a Printed Circuit Heat Exchanger for Liquid Air Energy Storage System.

Étude numérique des performances thermo-hydrauliques d'un échangeur de chaleur à circuit imprimé pour un système de stockage d'énergie à air liquide.

• Author(s) : LIU H., ZHANG Y., YU P., XUE J., ZHANG L., CHE D.
• Publication date: 2022/09
• Languages : English
• Keywords : Heat exchanger, Energy storage, LNG, Liquefied gas, Modelling, Simulation, Heat transfer, Multistage system, Thermodynamic cycle, Air
• Source: Energies - vol. 15 - n. 17
• Formats : PDF

POD-based modeling on thermal-flow characteristics for air-cooled condenser of power plant.

• Author(s) : HU H., DU X., YANG L., et al.
• Publication date: 2014/02
• Languages : English
• Keywords : Power plant, Temperature, Air-cooled exchanger, Performance, Model, Flow
• Source: International Journal of thermal Sciences - vol. 76

IIR document

Performance study on air-cooled household refrigerator with cold storage phase change materials.

• Author(s) : LIU Z., ZHAO D., WANG Q., et al.
• Publication date: 2017/07
• Languages : English
• Keywords : Household refrigerator, Air-cooled exchanger, Performance, PCM, Testing, COP
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 79
• Formats : PDF

A theoretical and experimental investigation into the thermodynamic performance of a 50 MW power plant with a novel modular air-cooled condenser .

• Author(s) : O'DONOVAN A., GRIMES R.
• Publication date: 2014/10
• Languages : English
• Keywords : Thermodynamics, Power plant, Air-cooled exchanger, Performance, Model, Expérimentation
• Source: Applied Thermal Engineering - vol. 71 - n. 1

Optimum placement for air-cooled chillers.

• Author(s) : KHANKARI K.
• Publication date: 2016/01
• Languages : English
• Keywords : CFD, Chiller, Air-cooled exchanger, Air, Performance, Flow, Air conditioning
• Source: ASHRAE Journal - vol. 58 - n. 1

IIR document

Recent advances in ammonia LPR systems for freezer applications.

• Author(s) : PEARSON A. B., HAMILTON D.
• Publication date: 2014/08/02
• Languages : English
• Keywords : Efficiency, Ammonia, Aluminium, Air-cooled exchanger, Freezer, Refrigerant charge
• Source: 11^th IIR Gustav Lorentzen Conference on Natural Refrigerants (GL2014). Proceedings. Hangzhou, China, August 31-September 2, 2014.
• Formats : PDF

Cross scale simulation on transport phenomena of direct air-cooling system of power generating units based on reduced order modeling.

• Author(s) : HU H., DU X., YANG L., et al.
• Publication date: 2014/08
• Languages : English
• Keywords : Power plant, Heat transfer, Air-cooled exchanger, Model, Flow
• Source: International Journal of Heat and Mass Transfer - vol. 75

Earth-to-air heat exchanger for air conditioning in a Colombian tropical weather

In a recent theoretical study, a passive cooling system using an earth-to-air heat exchanger (EAHE) was modelled for the Colombian tropical weather.

• Publication date : 2021/08/02
• Subjects: Developing country, Technology

Energy saving initiatives for cooling in data centres

In January 2021, Europe’s leading cloud and data centre operators signed the Climate Neutral Data Centre Pact, a self-regulatory initiative to become climate neutral by 2030. According to recent studies, free...

• Publication date : 2021/02/25
• Subjects: Environment, Technology

Cooling solutions for hybrid electric aircraft

The electrification of aircraft propulsive systems requires specific cooling technologies as part of the decarbonation of the aviation industry. A recent review article presents...

• Publication date : 2023/08/25
• Subjects: Technology

Overview of data center cooling technologies

The very huge growth in Internet traffic requires the continued development of new energy-efficient data center cooling technologies, based primarily on liquid...

• Publication date : 2022/12/15
• Subjects: Technology

An ejector refrigeration system optimised for sub-zero temperatures on fishing vessels

Large amounts of diesel fuel are used to power fishing vessels engines and on-board refrigeration systems. In a recent theoretical study, an energy-efficient sub-zero refrigeration system proposed based on a...

• Publication date : 2021/05/31
• Subjects: 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

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...

• Publication date : 2020/10/22
• Subjects: Technology

New evaporative cooling system for more energy efficient data centres

A dew point cooling system, which is an indirect evaporative cooling system that approaches the dew point, has reduced the electricity consumption of a UK data centre by 80%. 

• Publication date : 2021/12/15
• Subjects: Technology

Heat pump systems for HVAC in electric vehicles

Heat pump systems offer an energy efficient option for HVAC in electric vehicles. Recent studies present innovative technologies to further improve the heating and cooling performance of heat pump systems as...

• Publication date : 2021/01/27
• Subjects: HFCs alternatives

Hydrocarbons as refrigerants in air conditioning

Presentation of several initiatives to develop the use of hydrocarbon refrigerants – especially propane – in air conditioning in India, Indonesia, Ghana, Costa Rica and the Philippines.

• Publication date : 2019/11/29

Ultra-low temperature systems ready for COVID-19 vaccine storage

Mirai Intex, corporate member of the IIR, is positioning its ultra-low-temperature (ULT) systems to serve as the refrigeration technology for the storage of COVID-19 vaccines and the freeze-drying of the...

• Publication date : 2020/11/26

Evaporative cooling: continuation of the Cold-Snap project at Harvard University

Tests show that Cold-Snap evaporative cooling technology would be effective in humid climates, while limiting water consumption.

• Publication date : 2022/09/28

France: a patented air conditioning system without electricity (in French).

Researchers have patented a cooling system for a house using the principles of heat exchange.

• Publication date : 2015/12/18
• Subjects: Environment

Evaporative cooling without adding humidity

Scientists at the University of Harvard have designed a prototype evaporative cooling system called Cold-SNAP that effectively cools air at low cost for both dry and humid climates.

• Publication date : 2020/05/26
• Subjects: Developing country, Technology

Low GWP blends for domestic air conditioning

A review article presents the latest research trends on low GWP refrigerants, mainly HFC/HFO blends, for domestic air conditioning. 

• Publication date : 2023/03/28
• Subjects: HFCs alternatives

New IIR Informatory Note on solar cooling and other new publications

The IIR has just published an Informatory Note on solar cooling and has posted the Chinese version of the Informatory Note on the role of refrigeration in worldwide nutrition on its website.

• Publication date : 2021/01/26

Technical visit to the Tokyo fish market

At the ICCC conference last June, attendees had the opportunity to participate in technical visits, including a tour of the Tokyo fish market. Alain Le Bail, President of IIR Commission C2, joined the visit and...

• Publication date : 2024/11/15

Member news: Mirai Intex releases new high capacity ultra-low temperature refrigeration system

Mirai Intex, corporate member of the IIR, has released a new ultra-low temperature (ULT) system based on air-cycle technology, offering high cooling capacity.

• Publication date : 2021/03/09
• Subjects: HFCs alternatives, Technology

Heat pumps, the central theme of the recent IIR Congress

An overview of the research carried out in the field of heat pumps, with the aim of achieving greater flexibility and increased energy efficiency, in particular through to the use of thermal energy...

• Publication date : 2023/10/24

New in our Encyclopedia: additive manufacturing for refrigeration equipment

Additive manufacturing makes it possible to optimise the geometry and performance of cooling components such as heat exchangers and regenerators for caloric...

• Publication date : 2022/09/28
• Subjects: Technology

IIR website: consult our courses!

The “Services and expertises” section of the IIR website includes a section on courses and training. The courses are among the most downloaded documents in 2022! 

• Publication date : 2023/02/17
• Subjects: General information

Member news: latest innovations from Mirai Intex

The company Mirai Intex has just marketed a refrigeration machine using air cycle for low temperatures. Mirai Intex also markets a mobile storage solution. 

• Publication date : 2022/03/29

SophiA project: HKA Lab test progress

SophiA HKA (Karlsruhe University of Applied Sciences) Lab test is intended to provide a better understanding of the cooling system in in different climate zones.

• Publication date : 2023/10/27

Obituary: S. Forbes Pearson

Dr S  Forbes Pearson, one of the most famous IIR person, passed away. The IIR presents its deepest sympathy and sincerest condolences to his family and relatives.

• Publication date : 2024/03/28

CryoHub Webinar

CryoHub the EU funded project to demonstrate the potential for cryogenic energy storage at refrigerated warehouses will hold a webinar on 17th March 2021 to share findings and results of this work.

• Publication date : 2020/11/27

CryoHub to share results of implementation of innovative energy storage technique

Register now for our Webinar on 17th March 2021 to hear from experts on how the CryoHub technology was developed and demonstrated at a refrigerated facility at Frigologix in...

• Publication date : 2021/01/27

Member news: Daikin introduces EWYS-4Z: High-Efficiency Cooling and Heating Solution for Industrial and Commercial Needs

The polyvalent EWYS-4Z cooling and heating unit, which runs on R513A, is designed for superior energy efficiency and reduced noise for industrial and commercial applications. 

• Publication date : 2024/08/01

Available now: All 474 papers from the Purdue Conferences 2018

Welcoming 800 participants from 30 different countries, the 2018 Purdue Conferences took place at Purdue University in West Lafayette, Indiana, USA, from July 9 to 12, 2018.

• Publication date : 2019/05/06

Now available : 2023 IIR Congress proceedings

Download your copy of the ICR 2023 proceedings. IIR members can download them at reduced rate.

• Publication date : 2023/10/24

Now available: IIR Congress papers 2019

Download your copy of the ICR 2019 proceedings. Over 630 technical papers are available!

• Publication date : 2020/05/05

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

Hydrocarbon refrigerants

Hydrocarbons such as R290 (propane), R600a (isobutane) or R1270 (propene/propylene) are low GWP non-toxic natural refrigerants with excellent thermodynamic properties. They offer an...

• Last update : 2022/06/22
• Langues : French, English
• Themes : Hydrocarbons, Containment, refrigerant charge reduction

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 : 2023/06/23
• Langues : French, English
• Themes : LNG and LPG

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...

• Last update : 2023/11/07
• Langues : French, English
• Themes : Freezing of foodstuffs