Search results

Dynamics of frost growth on vertical superhydrophobic surfaces.

• Author(s) : BOYINA K. S., RABBI K. F., SU W., et al.
• Publication date: 2018/07/09
• Languages : English
• Keywords : Frost, Fin, Measurement, Vertical surface, Surface, Optimization, Heat exchanger
• Source: 2018 Purdue Conferences. 17^th International Refrigeration and Air-Conditioning Conference at Purdue.
• Formats : PDF

IIR document

Effect of surface properties of corrugated packing of dehumidification tower on surface liquid phase distribution.

• Author(s) : HUANG Z., ZHONG L., LU Y., LUN I.
• Publication date: 2020/06
• Languages : English
• Keywords : Dehumidification, Surface, Distribution, Wettability, Velocity (fluids, gases), Modelling
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 114
• Formats : PDF

Evaporation from a free liquid surface.

• Author(s) : LOTFI A., VRABEC J., FISCHER J.
• Publication date: 2014/06
• Languages : English
• Keywords : Liquid, Vacuum, Steady state, Surface, Model, Evaporation
• Source: International Journal of Heat and Mass Transfer - vol. 73

La formation du givre sur les surfaces planes à l'étude.

A study of frost formation on flat surfaces.

• Author(s) : LEONI A., MONDOT M., DURIER F., et al.
• Publication date: 2017/01
• Languages : French
• Keywords : Frosting, Review, Surface, Prediction, Parameter, Evaporator
• Source: Revue générale du Froid & du Conditionnement d'air - n.1161

Mounting of sensors on surfaces in historic buildings.

• Author(s) : RAFFLER S., BICHLMAIR S., KILLIAN R.
• Publication date: 2014/02
• Languages : English
• Keywords : Sensor, Energy, Building, Measurement, Surface, Museum
• Source: 49^th AiCARR International Conference. Historical and existing buildings: designing the retrofit. An overview from energy performances to indoor air quality.
• Formats : PDF

Anti-frosting performance of superhydrophobic surface with ZnO nanorods.

• Author(s) : ZUO Z., LIAO R., ZHAO X., et al.
• Publication date: 2017/01/05
• Languages : English
• Keywords : Wettability, Coating (materials), Surface, Performance, Defrosting
• Source: Applied Thermal Engineering - vol. 110

IIR document

Observation and description of the shape of water bridge retaining between vertical plane surfaces.

• Author(s) : YANG Y., ZHUANG D., DING G., et al.
• Publication date: 2016/04
• Languages : English
• Keywords : Finned tube, Water holding, Vertical surface, Plane surface, Performance, Heat exchanger
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 64
• Formats : PDF

IIR document

Defrosting on horizontal hydrophobic surfaces and the shrink angle.

• Author(s) : CHU F., WU X., ZHU Y.
• Publication date: 2016/11
• Languages : English
• Keywords : Horizontal surface, Frost, Performance, Model, Expérimentation, Defrosting
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 71
• Formats : PDF

Boiling Heat Transfer Enhancement on Biphilic Surfaces.

• Author(s) : CHINNOV E. A., KHMEL S. Y., VLADIMIROV V. Y., SAFONOV A. I., SEMIONOV V. V., EMELYANENKO K. A., EMELYANENKO A. M., BOINOVICH L. B.
• Publication date: 2022/10
• Languages : English
• Keywords : Boiling, Heat transfer, Wettability, Expérimentation, Surface, Copper
• Source: Energies - vol. 15 - 19
• Formats : PDF

Influence of microstructured surface modifications on the wettability of absorber tubes.

• Author(s) : TOMFORDE C., LUKE A.
• Publication date: 2014/03/02
• Languages : English
• Keywords : Tube, Surface, Humidity, Expérimentation, Absorber
• Source: International sorption heat pump conference (ISHPC2014), College Park, United States, March 31-April 2, 2014.
• Formats : PDF

Experimental progress of water droplet freezing on cold surface.

[In Chinese. / En chinois.]

• Author(s) : SUI D., JIN Z., YANG Z.
• Publication date: 2015/04
• Languages : Chinese
• Keywords : Icing, Surface, Performance, Droplet, Expérimentation, Freezing, Water
• Source: Journal of Refrigeration - vol. 36 - n. 162
• Formats : PDF

IIR document

A mathematic model for predicting the volume of water bridge retaining between vertical fin surfaces.

• Author(s) : YANG Y., ZHUANG D., DING G., et al.
• Publication date: 2016/07
• Languages : English
• Keywords : Finned tube, Water holding, Vertical surface, Plane surface, Prediction, Model, Heat exchanger
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 67
• Formats : PDF

Film rupture and partial wetting over flat surfaces.

• Author(s) : GIANNETTI N., TRINURUK P., YAMAGUCHI S., et al.
• Publication date: 2018/07/09
• Languages : English
• Keywords : Wettability, Plane surface, Stability, Modelling, Falling film, Film
• Source: 2018 Purdue Conferences. 17^th International Refrigeration and Air-Conditioning Conference at Purdue.
• Formats : PDF

IIR document

Ice nucleation in water droplets on glass surfaces: from micro- to macro-scale.

• Author(s) : INADA T., TOMITA H., KOYAMA T.
• Publication date: 2014/04
• Languages : English
• Keywords : Ice, Glass, Surface, Nucleation, Droplet
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 40
• Formats : PDF

Using surface wettability to impact the frost properties and defrosting effectiveness of a metallic heat transfer surface.

• Author(s) : TRUSTER N. L., PULEO C. E., CARABALLO E. J., et al.
• Publication date: 2014/07/14
• Languages : English
• Keywords : Wettability, Frost, Roughness, Heat transfer, Temperature, Coating (materials), Surface, Humidity, Expérimentation, Defrosting
• Source: 2014 Purdue Conferences. 15th International Refrigeration and Air-Conditioning Conference at Purdue.
• Formats : PDF

Pulse technology defrosts surfaces in seconds

A team of Japanese and American researchers is developing with a new, fast and efficient technology to defrost surfaces.

• Publication date : 2019/09/30

Comparison of oxygen liquefaction methods for use on the surface of Mars

An article published in Cryogenics reviews the various methods by which oxygen (used with methane as a propellant for ascent from the planet's surface) could be liquefied and stored on the surface of Mars.

• Publication date : 2018/04/19

An improved liquid cooling system for the Microsoft Surface Pro 4.

The 'hybrid liquid cooling' solution allows a better heat distribution, making the SP4 feel a bit cooler.

• Publication date : 2015/10/22

White paint reduces air conditioning demand

A team of researchers has developed a radiative cooling paint that keeps surfaces more than 1.7 °C cooler than their ambient surroundings (at noon).

• Publication date : 2020/11/27

Cooling the ATST solar telescope

The Advanced Technology Solar Telescope (ATST), currently under construction on the Pacific island of Maui, will be the world’s largest solar telescope, able to provide the sharpest views ever taken of the solar surface

• Publication date : 2014/09/19

20,000 megabytes under the sea

Microsoft has tested a prototype called Project Natick of a self-contained data center that can operate hundreds of meters below the surface of the ocean off the Pacific coast, reducing the need for expensive cooling.

• Publication date : 2016/05/09

Ice Gurus

Ice tailoring appears to be the new Olympic challenge. Ice must be tailored to each athlete's needs, e.g. long-track speed skaters prefer a surface as low as -7 to -8°C, whilst figure skaters need to dig their skates into the ice in order to pull...

• Publication date : 2006/05/05

Frost detection and defrosting methods: latest advances

A recent Purdue conference paper presents the state of the art regarding methods for retarding the onset of frosting, frost detection techniques and defrosting strategies, including those based on artificial...

• Publication date : 2023/02/21

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

CO2 Supermarkets

The journal Die Kälte und Klimatechnik has just produced an article on the opening of a supermarket using refrigeration installations for the first time running on direct expansion CO2 with both medium and low temperatures in Wettingen,...

• Publication date : 2005/10/26

Reducing the economic costs of a direct-use geothermal heating system

Italian researchers have modelled a polymer heat exchanger to reduce the cost of a direct-use geothermal heating system for a single building in the active volcano district of the...

• Publication date : 2022/02/21
• Subjects: Technology

Briefs: Chameleon tiles for energy savings

It is a well-known fact that dark surfaces absorb the sun's heat, whereas white surfaces reflect it. US Secretary of Energy, Steven Chu, considers that turning all roofs white would eliminate as much greenhouse gas emissions in 20 years as the...

• Publication date : 2010/03/07

Frost mitigation methods for heat pumps and refrigeration systems

Frost growth is an important issue since defrosting can represent up to 30% of the total energy consumption of refrigerated display cabinets. Review of the various frost mitigation technologies and latest...

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

Radiative cooling coatings that can adapt to the seasons

A novel material can be used as a coating on building’s rooftops or windows to provide radiative cooling in the summer without overcooling in the colder months. 

• Publication date : 2022/01/28
• Subjects: Technology

Heating and cooling ceilings

The upcoming translation of European Directive 2002/91/EC on improving energy efficiency in buildings into EU national legislation in January 2006 calls for a clear improvement in the energy efficiency of cooling and heating systems. In view of...

• Publication date : 2005/10/26

New IIR publications: Properties of Secondary Working Fluids for Indirect Systems

This expanded 2nd edition responds to rising use of secondary refrigerant systems used in many applications. It comprises comprehensive data on a number of aqueous solutions of ethylene and propylene glycol, ethanol, glycerol, ammonia, chlorides...

• Publication date : 2010/05/27

IIR Corporate members: briefs

- Air Liquide's new LENOXeTM anaesthetic drug was recently presented at the European Congress of Anaesthesiology in Munich, Germany. It is due for commercial release in 12 European countries by the end of 2007. LENOXeTM is based on xenon (Xe), an...

• Publication date : 2007/11/20

Member news: Mirai Intex ultra-low temperature refrigeration system at the ACHEMA trade show in Germany

Mirai Intex, corporate member of the IIR, will present its MC 15 C/W/T closed-cycle refrigeration machine at the ACHEMA trade show in August 2022 in Germany.

• Publication date : 2022/08/16
• Subjects: Technology

1st IIR International Cold and Sustainability Conference

The 1st IIR Conference on Sustainability and the Cold Chain held in Cambridge, UK, on March 29-31, 2010 attracted over 150 participants from 22 countries. Academia, public and corporate research centres, public agencies and administrations, and...

• Publication date : 2010/05/27

News from IIR members: Linde

Linde has launched CRYOLINE XF, a new cryogenic spiral freezer, which uses advanced cross-flow technology to reduce freezing time and improve cryogen efficiency, while reducing overall freezer size.

• Publication date : 2012/05/11

IIR member news: Linde

Linde uses cryogenic freezing to improve cuts.

• Publication date : 2014/10/21

Frisbee Project: Latest Developments

Frisbee is a European-Union-funded 4-year project. It was launched in September 2010 and involves 26 partners including the IIR. the IIR is in charge of collecting data and the dissemination of research outcomes. The aim is to provide new...

• Publication date : 2011/12/20

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

New IIR Informatory Note: Advancements in Supermarket Refrigeration

Download your copy of the latest IIR Informatory Note on “Advancements in Supermarket Refrigeration”

• Publication date : 2018/04/04

IIR Member news: Star Refrigeration installs ammonia chillers in an indoor skiing facility

After 90 years of existence, indoor skiing now uses modern and energy efficient technologies. Star Refrigeration participates in this evolution with its ammonia chillers.

• Publication date : 2018/12/27

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

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

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)

Cryogenics in the pharmaceutical industry: drug design and bioavailability improvement

Research activities in the pharmaceutical sector focus primarily on developing novel drug formulations which can elicit the desired response upon being administered to the patient...

• Last update : 2023/03/10
• Langues : French, English
• Themes : Freeze-drying in biology and medicine, Cryobiology, cryomedicine: general information

Ice cream manufacturing, environmental impact and market data

From a physico-chemical point of view, ice cream is a complex, frozen multiphase mixture. The manufacturing process includes several stages of freezing which are described in this...

• Last update : 2023/06/30
• Langues : French, English
• Themes : Ice creams

Environmental impact of the ice cream industry

This summary document describes the environmental impact of ice cream manufacturing, which is mainly due to the energy consumption and refrigerants used.

• Last update : 2022/11/17
• Langues : French, English
• Themes : General information on environment (climate change, ozone depletion…)