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Heat Transfer Characteristics of Cold Water Phase-Change Heat Exchangers under Active Icing Conditions.

• Author(s) : LIU C., WU R., YU H., ZHAN H., XU L.
• Publication date: 2022/10
• Languages : English
• Keywords : Heat pump, Cold climate, Cold water, Change of phase, Heat exchanger, Heat transfer, Simulation, Modelling
• Source: Energies - vol. 15 - 19
• Formats : PDF

Heat-activated hot water heat pump and chiller.

• Author(s) : ERICKSON D. C., ANAND G., KYUNG I., et al.
• Publication date: 2014/03/02
• Languages : English
• Source: International sorption heat pump conference (ISHPC2014), College Park, United States, March 31-April 2, 2014.
• Formats : PDF

IIR document

Screening of surface active agents to enhance absorption in ammonia-water systems.

• Author(s) : KINI G., GARIMELLA S.
• Publication date: 2019/08/24
• Languages : English
• Keywords : Surfactant, Measurement, Surface tension, Ammonia-water, Absorption, Expérimentation, Additive
• Source: Proceedings of the 25^th IIR International Congress of Refrigeration: Montréal , Canada, August 24-30, 2019.
• Formats : PDF

Recommended by the IIR / IIR document

Performance evaluation of solar-activated integrated double-stage water desalination and air conditioning plant.

• Author(s) : SAXENA A., TANGELLAPALLI S.
• Publication date: 2024/04
• Languages : English
• Keywords : Desalination, Modelling, Waste heat, Heat recovery, Air conditioning, Performance, Exergy, Fresh water, Cost, Hot climate, Humid climate, Dehumidification
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 160
• Formats : PDF

Activated carbon fiber cloth and CaCl2 composite sorbents for a water vapor sorption cooling system.

• Author(s) : YE H., YUAN Z., LI S., et al.
• Publication date: 2014/01
• Languages : English
• Keywords : Coefficient, Adsorbent, Cooling, Adsorption, Sorption, Performance, Water, Calcium chloride
• Source: Applied Thermal Engineering - vol. 62 - n. 2

IIR document

On the activation strategy of the chiller in water-loop self-contained refrigeration systems: an experimental analysis.

• Author(s) : BAGARELLA G., LAZZARIN R., NORO M.
• Publication date: 2015/09
• Languages : English
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 57
• Formats : PDF

Experimental research on indoor thermal environment of new rural residence with active solar water heating system and external wall insulation.

• Author(s) : LI J., LI X., WANG N., et al.
• Publication date: 2016/02/25
• Languages : English
• Keywords : Hot water, Energy consumption, Building, Wall, Solar energy, Insulation, Thermal comfort
• Source: Applied Thermal Engineering - vol. 95

IIR document

Evaluating the potential of using ethanol/water mixture as a refrigerant in adsorption cooling system by using activated carbon - sodium chloride composite adsorbent.

• Author(s) : DZIGBOR A., CHIMPHANGO A.
• Publication date: 2019/01
• Languages : English
• Keywords : Thermal conductivity, Composite, Adsorption, Cooling capacity, Mixture, Ethanol, COP, Water, Sodium chloride
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 97
• Formats : PDF

Modelling the interaction of storage temperature, pH, and water activity on the growth behaviour of Listeria monocytogenes in raw and pasteurised semi-soft rind washed milk cheese during storage following ripening.

• Author(s) : TIWARI U., WALSH D., RIVAS L., et al.
• Publication date: 2014/08
• Languages : English
• Keywords : Raw food, Pasteurization, Ripening (cheese), Listeria, Temperature, Storage, Ph, Modelling, Growth, Cheese, Water
• Source: Food Control The International Journal of HACCP and Food Safety - vol. 42

IIR document

Prediction of drying rate during frozen storage of cooked rice utilizing novel method of measuring adsorption isotherm.

• Author(s) : YAMADA R., FUKAZAWA T., WATANABE M., 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

Study on the effect of electromagnetic radiations during freezing on ice structure and quality of fruit and vegetable tissues.

• Author(s) : KUMAR P.
• Publication date: 2018/11/09
• Languages : English
• Formats : PDF

IIR document

Active control of external volume flow rates for single effect absorption chillers.

• Author(s) : PETERSEN S., HÜLS W., PAITAZOGLOU C., et al.
• Publication date: 2019/08/24
• Languages : English
• Source: Proceedings of the 25^th IIR International Congress of Refrigeration: Montréal , Canada, August 24-30, 2019.
• 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
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 40
• Formats : PDF

Study of various adsorbent-refrigerant pairs for the application of solar driven adsorption cooling in tropical climates.

• Author(s) : HABIB K., SAHA B. B., KOYAMA S.
• Publication date: 2014/11
• Languages : English
• Keywords : Silica gel, Methanol, Adsorbent, Adsorption, Activated carbon, Performance, Model, Ethanol, Solar energy
• Source: Applied Thermal Engineering - vol. 72 - n. 2

Estudio experimental de acumulación térmica en losas térmicamente activadas.

Experimental study of thermal accumulation in thermally-activated slabs.

• Author(s) : VELASCO E., ANDRÉS M., TEJERO GONZÁLEZ A., et al.
• Publication date: 2018/06/19
• Languages : Spanish
• Source: CYTEF 2018. IX Congreso Ibérico y VII Congreso Iberoamericano de Ciencias y Técnicas del Frío, Valencia, España, 19-21 junio 2018.
• Formats : PDF

Briefs: Losing weight thanks to cooling?

Could cold temperatures become a way to lose weight? Three recent studies underline the role of brown adipose tissue (BAT) in burning fat to produce heat and regulate body temperature. Human adults were previously thought to be lacking BAT. All...

• Publication date : 2009/08/13

Innovative solutions to reduce cooling needs for data centres

As the world’s demand for data continues to expand, the creation of new data centres poses the issue of cooling. Innovative solutions using renewable energy sources and heat recovery are presented...

• Publication date : 2020/05/27
• Subjects: Technology

Nanoe ™ X technology could inhibit COVID19 in air conditioners

Panasonic has developed an ionizer that inhibits certain pathogenic microorganisms (including viruses). Recent tests seem to demonstrate its effectiveness on COVID-19. 

• Publication date : 2020/11/26

Growth in the world heat pump market

The world heat pump market increased 7.2% by volume in 2013 to almost 2 million units.

• Publication date : 2014/09/04
• Subjects: Figures, economy

The Chinese chiller market

The market chiller was valued at USD 2.7 billion in 2013 to mark year-on-year growth of 7.30%.

• Publication date : 2015/01/06
• Subjects: Figures, economy

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

Recovery and reproduction of tardigrades frozen for over 30 years

Scientists managed to resuscitate tardigrades and have them reproduce although they had been frozen since 1983!

• Publication date : 2016/08/17

Australia’s HVACR industry

According to IbisWorld research, industry revenue is forecast to increase at an annualised 1.8% through to 2019/2020 to reach USD 1.6 billion.

• Publication date : 2015/06/16

ICR2011 highlights: indoor air-quality issues in passive buildings

Polish specialists recommend mechanical ventilation for passive buildings

• Publication date : 2012/03/13

Green building outlook strong for non-residential and residential sectors

Green was expected to represent 44% of all commercial and institutional construction in 2012, growing to 55% by 2016. Green home and renovation activity are expected to grow to 20% in 2012 and 38% by 2016

• Publication date : 2013/04/25
• Subjects: Figures, economy, Environment

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

Cryochemistry: chemical reactions accelerated by freezing

Surprisingly, some chemical reactions can be accelerated by freezing. The possible applications of studying such cryoreactions include the food and pharmaceutical cold chain, as well...

• Publication date : 2022/02/28
• Subjects: Environment, Technology

Corporate Members: news

- Danfoss has experienced booming sales 18% growth over the first three quarters of 2007. Sales reached 2.2 billion €. Growth in China and Latin America was particularly positive and end of year sales are expected to top 3 billion €.

• Publication date : 2008/02/12

Corporate members: news

- During the IIAR's 2008 Ammonia Refrigeration and Conference, the first fundraising event, a golf tournament, was held in order to launch Ammonia Refrigeration Foundation actions. The recently formed foundation will promote charitable,...

• Publication date : 2008/05/13

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 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)

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