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IIR document

Investigation on characteristics of thin films made from two kinds of silane-couplers to control adhesion force of ice to solid surfaces.

• Author(s) : MATSUMOTO K., SAKAGUCHI T., TSUBAKI D., et al.
• Publication date: 2015/05
• Languages : English
• Keywords : Ice, Adhesion, Film, Expérimentation, Surface state
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 53
• Formats : PDF

Experimental study of the effects of fin surface characteristics on defrosting behavior.

• Author(s) : LIANG C., WANG F., LU Y., et al.
• Publication date: 2015/01
• Languages : English
• Keywords : Fin, Expérimentation, Surface state, Defrosting, Melting, Water
• Source: Applied Thermal Engineering - vol. 75

IIR document

Measurements of correct ice adhesion forces to metal test plates in nano-scale by using SPM.

• Author(s) : MATSUMOTO K., HONDA M., MINAMIYA K., et al.
• Publication date: 2016/06
• Languages : English
• Keywords : Ice, Metal, Measurement, Adhesion, Microscopy, Surface state
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 66
• Formats : PDF

Effect of the surface texture on the heat transfer coefficient in nucleate boiling of aqueous lithium bromide solution at low heat fluxes.

• Author(s) : MENHART F., NATZER S., RIEPL M., et al.
• Publication date: 2014/03/02
• Languages : English
• Keywords : Heat transfer coefficient, Lithium bromide, Chiller, Aqueous solution, Adsorption, Expérimentation, Surface state, Heat exchanger, Nucleate boiling
• Source: International sorption heat pump conference (ISHPC2014), College Park, United States, March 31-April 2, 2014.
• Formats : PDF

IIR document

State-of-the art of frost deposition on flat surfaces.

• Author(s) : LEONI A., MONDOT M., DURIER F., et al.
• Publication date: 2015/08/16
• Languages : English
• Source: Proceedings of the 24th IIR International Congress of Refrigeration: Yokohama, Japan, August 16-22, 2015.
• Formats : PDF

IIR document

Investigation on controlling ice adhesion force to solid surface by using thin film made from silane-coupler.

• Author(s) : MATSUMOTO K., INABA H., MURAHASHI K., et al.
• Publication date: 2013/05
• Languages : English
• Keywords : Ice, Adhesion, Film, Expérimentation, Surface state
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 36 - n. 3
• Formats : PDF

IIR document

THE EFFECT OF COLD WALL SURFACE CONDITIONS ON FROST DEPOSIT PROCESSES.

• Author(s) : SHU H., LUI H., ZHOU B.
• Publication date: 1987/08/24
• Languages : English
• Keywords : Frosting, Process, Evaporator, Surface state, Condensation, Water
• Source: Development in refrigeration, refrigeration for development. Proceedings of the XVIIth international Congress of Refrigeration.
• Formats : PDF

Prediction of thermal contact resistance between polished surfaces.

• Author(s) : WOLFF E. G., SCHNEIDER D. A.
• Publication date: 1998/11
• Languages : English
• Keywords : Heat transfer, Plane surface, Interface, Surface state
• Source: International Journal of Heat and Mass Transfer - vol. 41 - n. 22

IIR document

Effect of surface treatments on the frosting/defrosting behavior of a fin-tube heat exchanger.

• Author(s) : JHEE S., LEE K. S., KIM W. S.
• Publication date: 2002/12
• Languages : English
• Keywords : Fin, Treatment, Performance, Surface state, Heat exchanger
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 25 - n. 8
• Formats : PDF

IIR document

The effect of hydrophilicity on condensation over various types of fin-and-tube heat exchangers.

• Author(s) : SHIN J., HA S.
• Publication date: 2002/09
• Languages : English
• Keywords : Finned tube, Surface state, Testing, Condensation, Heat exchanger
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 25 - n. 6
• Formats : PDF

How to create an efficient surface for nucleate boiling?

• Author(s) : MITROVIC J.
• Publication date: 2006/01
• Languages : English
• Keywords : Geometry, Bubble, Heat transfer, Expérimentation, Surface state, Nucleate boiling
• Source: International Journal of thermal Sciences - vol. 45 - n. 1

IIR document

A STUDY OF HORIZONTAL TUBE SPRAY FILM EVAPORATION AND ITS ENHANCEMENT.

• Author(s) : SHEN Y. Q, GUO Y. H.
• Publication date: 1987/08/24
• Languages : English
• Keywords : Spray, Horizontal tube, Enhancement, Heat transfer, Evaporation, Surface state, Water
• Source: Development in refrigeration, refrigeration for development. Proceedings of the XVIIth international Congress of Refrigeration.
• Formats : PDF

IIR document

Long-term wetting and corrosion characteristics of hot water treated aluminum and copper fin stocks.

• Author(s) : MIN J., WEBB R. L.
• Publication date: 2002/12
• Languages : English
• Keywords : Hot water, Fin, Copper, Aluminium, Surface state, Corrosion, Heat exchanger
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 25 - n. 8
• Formats : PDF

Heat conduction across irregular and fractal-like surfaces.

• Author(s) : BLYTH M. G., POZRIKIDIS C.
• Publication date: 2003/04
• Languages : English
• Keywords : Heat transfer coefficient, Geometry, Heat transfer, Surface, Optimization, Surface state
• Source: International Journal of Heat and Mass Transfer - vol. 46 - n. 8

IIR document

NUCLEATE POOL BOILING DATA ON R22.

• Author(s) : DORAIRAJ S., AGARWAL R. S.
• Publication date: 1987/08/24
• Languages : English
• Keywords : Horizontal tube, Heat transfer coefficient, Roughness, Calculation, Measurement, R22, Surface state, Nucleate boiling
• Source: Development in refrigeration, refrigeration for development. Proceedings of the XVIIth international Congress of Refrigeration.
• Formats : PDF

Radiative cooling: protecting ice from melting under sunlight

Researchers have developed a biodegradable film made of cellulose acetate which, thanks to its radiative cooling properties, effectively protects ice subjected to solar radiation from melting, with possible...

• Publication date : 2022/03/30

Urban cooling strategies

A report provides practical guidance to optimise development projects to moderate urban microclimates in major urban centres in Australia.

• Publication date : 2018/01/16

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

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

Solar heating and cooling: key trends and challenges

In 2020, the solar thermal energy yield amounted to 407 TWh, which correlates to savings of 43.8 million tons of oil and 141.3 million tons of CO2. Although still only a niche market, solar cooling...

• Publication date : 2021/09/07

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

Commercial refrigeration figures and trends

Growing steadily for several years, the global commercial refrigeration market is characterised by some key trends, including the  energy efficiency and smart stores 

• Publication date : 2023/11/28
• Subjects: Figures, economy

COVID-19 news in the HVAC&R sector

The IIR reviews the available information on the possible impact of air conditioning on the spread of COVID-19 and the recommendations for the operation and maintenance of HVAC systems. Furthermore, several...

• Publication date : 2020/04/05

Liquid nitrogen spray to clean spacesuits

Researchers from Washington State University developed a liquid nitrogen spray to remove moon dust from a space suit, potentially solving what is a significant challenge for future...

• Publication date : 2023/03/27
• Subjects: Technology

Green roofs can reduce cooling demand in warm climate zones

The impact of green roofs on building energy performance was assessed in 15 climate zones. In most regions, the reduction in energy demand for cooling was greater than for...

• Publication date : 2023/10/24
• Subjects: Technology

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

First liquefied hydrogen carrier launched in Japan

In line with its commitment to pave the way for the first "Hydrogen Society", Japan intends to use this carrier to transport hydrogen from Australia, where it is produced from lignite.

• Publication date : 2020/02/05

Juice mission: discovering the icy moons of Jupiter

ESA's Jupiter Icy Moons Explorer (Juice) lifted off on an Ariane 5 rocket on 14 April 2023. This successful launch marks the beginning of an ambitious journey to discover the secrets...

• Publication date : 2023/04/26
• Subjects: Technology

Sustainable air-conditioning solutions in EU buildings

In a recent briefing note, the European Environment Agency (EEA) discusses sustainable solutions to the growing need for cooling in Europe.

• Publication date : 2022/12/15
• Subjects: General information

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

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

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)

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…)

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

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

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