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A review of recent investigations on flow and heat transfer enhancement in cooling channels embedded with triply periodic minimal surfaces (TPMS). 

• Author(s) : YERANEE K., RAO Y.
• Publication date: 2022/12
• Languages : English
• Source: Energies - 15 - 23
• Formats : PDF

Fluid flow and heat transfer in hexagonal parallel-plate membrane channels (HPMC): Effects of the channel heights and fluid parameters.

• Author(s) : HUANG S. M., HONG Y., QIN F. G. F.
• Publication date: 2016/01/25
• Languages : English
• Keywords : Humidification, Fluid, Dehumidification, Channel, Heat transfer, Flow
• Source: Applied Thermal Engineering - vol. 93

Electrode arrangement impact on heat transfer in horizontal channels.

• Author(s) : GANNOUN R., ELKAHZEN M. I., HASSEN W., et al.
• Publication date: 2016/03/24
• Languages : English
• Keywords : Connection, Channel, Heat transfer, Simulation, Flow
• Source: 1st International Refrigeration, Energy and Environment Colloquium. Proceedings: Hammamet, Tunisia, March 24-27, 2016.
• Formats : PDF

Design of gas channels for an electrochemical compressor.

• Author(s) : BAKER J., HWANG Y., WANG C.
• Publication date: 2018/07/09
• Languages : English
• Keywords : Channel, CFD, Design, Simulation, Distribution, Compressor, Pressure drop
• Source: 2018 Purdue Conferences. 24^th International Compressor Engineering Conference at Purdue.
• Formats : PDF

IIR document

Ice slurry flow through a vertical slit channel.

• Author(s) : KUCHMACZ J., NIEZGODA-ZELASKO B.
• Publication date: 2021/08
• Languages : English
• Keywords : Ethanol, Ice slurry, Channel, Vertical flow, Flow, Modelling
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 128
• Formats : PDF

CFD modeliranje hidrodinamickih pojava i prenosa toplote u kanalima plocastih razmenjivaca toplote.

CFD modeling of hydrodynamic phenomena and heat transfer in channels of plate heat exchangers.

• Author(s) : MANDIC D.
• Publication date: 2016/12
• Languages : English
• Keywords : Hydrodynamics, Channel, CFD, Heat transfer, Simulation, Plate exchanger
• Source: 47^th International HVAC&R Congress and Exhibition.
• Formats : PDF

Prediction of heat transfer during condensation of carbon dioxide in channels.

• Author(s) : SHAH M. M.
• Publication date: 2016/01/25
• Languages : English
• Keywords : Channel, Heat transfer, R744, Prediction, Condensation, CO2
• Source: Applied Thermal Engineering - vol. 93

Analysis and optimization of fan-shaped pin–fin in a rectangular cooling channel.

• Author(s) : MOON M. A., KIM K. J.
• Publication date: 2014/05
• Languages : English
• Keywords : Fin, Channel, Heat transfer, Reynolds, Performance, Model
• Source: International Journal of Heat and Mass Transfer - vol. 72

IIR document

Experimental study on gas-liquid flow distributions in multi-pass channels.

• Author(s) : NODA N., HIROTA M., TSUCHIYA T., et al.
• Publication date: 2015/08/16
• Languages : English
• Keywords : Two-phase flow, Gas, Channel, Liquid, Expérimentation, Refrigerant, Distribution
• Source: Proceedings of the 24th IIR International Congress of Refrigeration: Yokohama, Japan, August 16-22, 2015.
• Formats : PDF

IIR document

Nano-PCM storage with finned elliptical cross-section channels.

• Author(s) : KAZEMI MOGHADAM H., MOUSAVI AJAROSTAGHI S. S., PONCET S.
• Publication date: 2021/09/01
• Languages : English
• Keywords : PCM, Nanoparticle, Heat transfer, Simulation, Modelling, Thermal conductivity, Channel, Finned tube
• Source: 13^rd IIR Conference on Phase-Change Materials and Slurries for Refrigeration and Air Conditioning. Proceedings: (online) Vicenza, Italy, September 1-3, 2021.
• Formats : PDF

Numerical and experimental investigations of electronic evaporative cooling performance with a coiled channel.

• Author(s) : YIN X., CAO F., JIN L., et al.
• Publication date: 2016/02/05
• Languages : English
• Keywords : Electronics, Channel, Cooling, Simulation, Performance, Evaporative system, Expérimentation
• Source: Applied Thermal Engineering - vol. 94

IIR document

Solidification behavior of an ice slurry flowing in a rectangular channel.

• Author(s) : MORIMOTO T., KOMATSU W., KIMATA H., KATO M., KUMANO H.
• Publication date: 2021/11
• Languages : English
• Keywords : Solidification, Ice slurry, Channel, Expérimentation, Forced convection, Thermodynamic property, Ethanol
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 131
• Formats : PDF

Hydrodynamics and heat transfer in cooling channels of oil-filled power transformers with multicoil windings.

• Author(s) : YATSEVSKY V. A.
• Publication date: 2014/02
• Languages : English
• Keywords : Hydrodynamics, Channel, Transformer, Heat transfer, Cooling, Power, Oil
• Source: Applied Thermal Engineering - vol. 63 - n. 1

Forced convection enhancement in channels with transversal ribs and nanofluids.

• Author(s) : ANDREOZZI A., MANCA O., NARDINI S., et al.
• Publication date: 2016/04/05
• Languages : English
• Keywords : Fluid, Rib, Enhancement, Channel, Heat transfer, Nanofluid, Modelling, Turbulent flow, Forced convection
• Source: Applied Thermal Engineering - vol. 98

IIR document

R410A flow boiling coefficient in horizontal annular channels of enhanced tubes, Part II: Heat transfer.

• Author(s) : ZHANG J., WANG J., HE Y., LIU L., LI W., TANG W., ABBAS A., AYUB Z.
• Publication date: 2022/05
• Languages : English
• Keywords : HFC, R410A, Channel, Tube, Flow boiling, Expérimentation, Heat transfer
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 137
• Formats : PDF

Briefs: Reducing the TEWI by reducing channel size

The TEWI (Total Equivalent Warming Impact) makes it possible to measure the total impact of a system on global warming. The direct effect is produced by refrigerant loss. The indirect effect is produced by the CO2 released when producing the...

• Publication date : 2007/02/12

HFOs chosen for the renovation of the Channel Tunnel refrigeration system.

The ban of the servicing of R22 equipment led tunnel operators Eurotunnel to consider refrigerants compliant with European HFC phase-down agreements.

• Publication date : 2017/02/14
• Subjects: HFCs alternatives

Channel Tunnel's new refrigeration system achieves energy savings of over 30%

R1233zd(E) proves its efficiency in Europe's largest cooling system.

• Publication date : 2018/08/08

IJR highlights: latest R&D results regarding household refrigerators

Vacuum insulation panels, mini-channel condensers and PCMs: 3 areas of research and development to reduce the energy consumption ofhousehold refrigerators.

• Publication date : 2019/01/31

Modern cryosurgical techniques and devices

Since the 80’s, device miniaturization makes it possible to introduce endoscopic cryoprobes through natural channels (bronchia, urethra…) without requiring traditional surgery.

• Publication date : 2014/03/11

The French frozen food market

Total consumption (including foodservice as well as retail channels) amounted to an estimated EUR 9.1bn in 2013, of which the retail sector was worth approximately 60%.

• Publication date : 2015/01/15

Use of all-aluminum coils increasing

All-aluminum heat exchanger coils called microchannel coils have been used in the automotive industry for over 20 years, but the technology – which uses an all-aluminium brazed fin construction – has been applied to the HVAC&R industry only...

• Publication date : 2014/10/08

Micro-Innovation

Mechanical engineers at Purdue University have created a miniature device that aims to replace conventional evaporators. Cited as a "long-term solution" in technological advances, the use of existing technical know-how for the refrigeration loop...

• Publication date : 2005/07/19

Briefs: AHR Exposition Award

This year the winner of AHR Exposition Award was Delphi Corp.'s innovative micro channel evaporator, capable of performing both cooling and heating functions for residential or commercial settings. It is highly efficient as it uses a compact...

• Publication date : 2010/03/07

Climate control in the Gibraltar tunnel project

A project for a tunnel linking Punta Paloma in Spain and Malabata Point in Morocco and currently in preparatory phase raises some interesting and crucial climate control issues. Governments of both nations appointed the Swiss engineer Giovanni...

• Publication date : 2008/05/13

Air paths inside fruit

Microscopically small structures inside pears and apples allow them to "breathe". Researchers at the Catholic University of Leuven and the European Synchrotron Radiation Facility (ESRF) have visualized these pathways for the first time, therefore...

• Publication date : 2008/10/25

The heart inspires a new cooling system

In August 2004, at the Micro Nano Breakthrough Conference in Portland, engineers from Oregon State University in the US, presented a new successful desorption system using branching microchannels. The system was inspired by the human blood pumping...

• Publication date : 2004/09/14

AC Market Review: China

Following a recent analysis entitled the "White Paper" released by the State Information centre of China (SIC) during a recent conference in Beijing, figures show a sharp drop in the domestic sales growth rate (-7.98%) and a less pronounced...

• Publication date : 2006/01/24

Briefs: First Spain-UK refrigerated railway line

Stobart Rail, a branch of leading UK transport Stobart Group and British DB Schenker Rail recently launched temperature-controlled intermodal services from Valencia to the UK via the Channel Tunnel. This is a unique example of a single rail...

• Publication date : 2010/03/07

News about IIR Member: Cemagref

Researchers from Cemagref, corporate member of the IIR, in conjunction with the GREThE in Grenoble, and financed by the Agency for the environment and energy management (ADEME), have developed a prototype refrigerating system that allows the...

• Publication date : 2006/05/05

ICR2007 in Beijing

The International Institute of Refrigeration (IIR) holds Congresses every 4 years. They have two objectives: - a scientific objective: apart from the numerous IIR and IIR-co-sponsored conferences (about 50 over a 4-year period), which are focused...

• Publication date : 2007/11/20

IIR Working Party on Refrigerant Charge Reduction in Refrigerating Systems: Join Us!

Suitable design of refrigerating systems has several benefits in terms of limitation of the environmental impact thanks to a reduction in the energy consumption and the limitation of refrigerant emissions. The direct greenhouse effect accounts for...

• Publication date : 2008/10/25

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

New publications: The CD-ROM proceedings of the Vicenza IIR Conferences

The CD-ROM proceedings of the Vicenza IIR Conferences on 1) Commercial Refrigeration and 2) Thermophysical Properties and Transfer Processes of Refrigerants are on sale. They comprise 134 papers. Main topics: 1) display cabinets, energy simulation...

• Publication date : 2006/01/28

IIR Conference: Auckland

Innovative Equipment and Systems for Comfort and Food Preservation , an IIR conference, will be held in Auckland, New Zealand, on February 16-18, 2006. Deadlines: June 1, 2005 for abstracts and September 16, 2005 for papers. December 9, 2005:...

• Publication date : 2005/06/14

Join us on Facebook!

Don't miss a thing in the field of refrigeration; The IIR is now on Facebook.

• Publication date : 2017/09/19

What role does social media play in today’s refrigeration industry?

Today, social media has become an important tool of daily life for many across the globe in diverse fields and sectors. Learn how to reap the benefits of social media in your expertise.

• Publication date : 2016/04/13

Webinar: The role of sustainable cooling technologies in the fight against climate change (in English and Italian)

A webinar on "The role of sustainable cooling technologies in the fight against climate change", organized  with Italy and IRENA, will take place on December 10 at 11:30 am (Paris time).

• Publication date : 2021/11/30
• Subjects: Environment

What do refrigeration, air conditioning and social media have in common? A lot!

In 2014, an awareness raising social media campaign by Stephen Gill praising the too often overlooked virtues and benefits of refrigeration caused quite a stir, going viral.

• Publication date : 2015/07/21

IIR member news: Linde

Linde claims cryogenic freezing allows cookie manufacturers to produce a more consistent product.

• Publication date : 2015/12/08

Now freely accessible: The IIR International Dictionary of Refrigeration

Now available in 11 languages, the complete version of the IIR International Dictionary of Refrigeration is freely accessible online!

• Publication date : 2018/01/31

The IIR and the ASHRAE establish new definitions of five keywords in the refrigeration sector

For over a year, a group of experts from the International Institute of Refrigeration (IIR) and the American Society of Heating, Refrigerating and Air Conditioning Engineers (ASHRAE) have been working together to establish common definitions of...

• Publication date : 2019/03/18

IIR Conference overview: 5th IIR Conference on Thermophysical Properties and Transfer Processes of Refrigerants - TPTPR2017

With over 150 participants from 12 countries, the 5th IIR Conference on Thermophysical Properties and Transfer Processes of Refrigerants featured 85 technical presentations, including six plenary keynote lectures.

• Publication date : 2017/05/24

EU project SuperSmart comes to a close: What have we learnt?

Funded by the European Union Horizon 2020 Research and Innovation Programme, the EU SuperSmart project was launched in February 2016 and recently came to an end. Want to know how to reduce energy consumption in the food retail sector?… SuperSmart...

• Publication date : 2019/02/25

Another successful IIR Gustav Lorentzen conference 2016

Dedicated to natural refrigerants, mainly ammonia, carbon dioxide and hydrocarbons, Gustav Lorentzen 2016 was a great success attracting over 270 people and more than 145 papers from leading international researchers and industrialists.

• Publication date : 2016/09/14

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)

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