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IIR document

Evaporation characteristics of a liquid droplet on oxi-nitriding surfaces.

• Author(s) : MOON J. H., KIM D. Y., LEE H. J., et al.
• Publication date: 2017/04/23
• Languages : English
• Keywords : Oxide, Nitride, Liquid, Heat transfer, Droplet, Expérimentation, Evaporation, Corrosion
• Source: 5^th IIR Conference on Thermophysical Properties and Transfer Processes of Refrigerants.
• Formats : PDF

Measurement of thermal diffusivity/thermal contact resistance using laser photothermal method at cryogenic temperatures.

• Author(s) : BI D., CHEN H., LIU S., et al.
• Publication date: 2017/01/25
• Languages : English
• Keywords : Nitride, Ceramics, Measurement, Aluminium, Laser, Expérimentation, Thermal diffusivity, Stainless steel
• Source: Applied Thermal Engineering - vol. 111

IIR document

New correlations of some thermophysical properties of alkali nitrate/nitrite aqueous solutions for absorption heat pumps and refrigeration systems activated at high temperature.

• Author(s) : VARGAS P., FITO J., SALAVERA D., et al.
• Publication date: 2015/08/16
• Languages : English
• Keywords : Thermal property, Aqueous solution, Absorption system, Absorbent, Physical property, Heat pump, High temperature, Nitrite, Nitrate
• Source: Proceedings of the 24th IIR International Congress of Refrigeration: Yokohama, Japan, August 16-22, 2015.
• Formats : PDF

Two-stage double-effect ammonia/lithium nitrate absorption cycle.

• Author(s) : VENTAS R., LECUONA A., VEREDA C., et al.
• Publication date: 2016/02/05
• Languages : English
• Keywords : Lithium, Ammonia, Absorption system, Two-stage system, Performance, Nitrate
• Source: Applied Thermal Engineering - vol. 94

IIR document

Thermal conductivity of ammonia + lithium nitrate and ammonia + lithium nitrate + water solutions over a wide range of concentrations and temperatures.

• Author(s) : CUENCA Y., SALAVERA D., VERNET A., et al.
• Publication date: 2014/02
• Languages : English
• Keywords : Thermal conductivity, Lithium, Temperature, Transient state, Ammonia, Absorption system, Solution, Nitrate, Concentration, Water
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 38
• Formats : PDF

Experimental results of a direct air-cooled ammonia–lithium nitrate absorption refrigeration system.

• Author(s) : LLAMAS-GUILLÉN S. U., CUEVAS R., BEST R., et al.
• Publication date: 2014/06
• Languages : English
• Keywords : Refrigerating system, Lithium, Ammonia, Absorption, Prototype, Nitrate, Expérimentation
• Source: Applied Thermal Engineering - vol. 67 - n. 1-2

IIR document

Viscosity and mass diffusion coefficient of ammonia/ethylammonium nitrate mixtures.

• Author(s) : RIVES R., SALAVERA D., CORONAS A.
• Publication date: 2021/09/01
• Languages : English
• Keywords : Viscosity, Mass, Ammonia, Nitrate, Mixture, Expérimentation, Absorption system, Diffusion, Modelling, Thermodynamic property
• Source: 6^th IIR Conference on Thermophysical Properties and Transfer Processes of Refrigerants
• Formats : PDF

IIR document

Part-load characteristics of a new ammonia/lithium nitrate absorption chiller.

• Author(s) : ZAMORA M., BOUROUIS M., CORONAS A., et al.
• Publication date: 2015/08
• Languages : English
• Keywords : Lithium, Control (automatic), Chiller, Ammonia, Absorption system, Prototype, Nitrate, Part load
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 56
• Formats : PDF

Performance analysis of an absorption double-effect cycle for power and cold generation using ammonia/lithium nitrate.

• Author(s) : VENTAS R., LECUONA A., VEREDA C., et al.
• Publication date: 2017/03/25
• Languages : English
• Keywords : Electricity, Lithium, Cooling, Ammonia, Absorption, Performance, Modelling, Nitrate
• Source: Applied Thermal Engineering - vol. 115

Estudio experimental de pérdida de carga en un eyector-absorbedor adiabático con la disolución amoniaco-nitrato de lithio.

Experimental study of the pressure drop in an adiabatic ejector-absorber with an ammonia-lithium nitrate solution.

• Author(s) : VEREDA C., VENTAS R., LECUONA A., et al.
• Publication date: 2016/05/03
• Languages : Spanish
• Keywords : Lithium, Ammonia, Hybrid system, Nitrate, Ejector, Refrigerant charge, Absorber
• 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

Estimation of differential heat of dilution for aqueous lithium (bromide, iodide, nitrate, chloride) solution and aqueous (lithium, potassium, sodium) nitrate solution used in absorption cooling systems.

• Author(s) : ASFAND F., BOUROUIS M.
• Publication date: 2016/11
• Languages : English
• Keywords : Bromide, Lithium, Dilution, Differential thermal analysis, Aqueous solution, Absorption system, Sodium, Potassium, Iodide, Nitrate, Water-lithium bromide, Chloride
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 71
• Formats : PDF

Numerical simulation on heat transfer performance of silicon carbide /nitrate composite for solar power generation.

• Author(s) : ZHOU R., CHEN X., LU Y., et al.
• Publication date: 2016/07/11
• Languages : English
• Keywords : Heat transfer, Simulation, Silicon, Performance, PCM, Nitrate, Solar energy, Thermal energy storage
• Source: 2016 Purdue Conferences. 16th International Refrigeration and Air-Conditioning Conference at Purdue.
• Formats : PDF

IIR document

Pre-industrial development and experimental characterization of new air-cooled and water-cooled ammonia/lithium nitrate absorption chillers.

• Author(s) : ZAMORA M., BOUROUIS M., CORONAS A., et al.
• Publication date: 2014/09
• Languages : English
• Keywords : Lithium, Ammonia, Air, Absorption system, Prototype, Nitrate, Expérimentation, Air conditioning, Water, Absorber
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 45
• Formats : PDF

Performance analysis of a triple-effect absorption cooling cycle using aqueous (lithium, potassium, sodium) nitrate solution as a working pair.

• Author(s) : ÁLVAREZ M., ESTEVE X., BOUROUIS M.
• Publication date: 2015/03/25
• Languages : English
• Keywords : Lithium, Aqueous solution, Absorption system, Sodium, Mixture, Potassium, High temperature, Nitrate
• Source: Applied Thermal Engineering - vol. 79

IIR document

Direct vapor ammonia generation inside a concentrating parabolic trough solar collector for an ammonia/lithium nitrate absorption machine. Theoretical study.

• Author(s) : FAMIGLIETTI A., LECUONA A., NOGUEIRA J. I., et al.
• Publication date: 2018/06/18
• Languages : English
• Keywords : Solar collector, Renewable energy, Lithium, Ammonia, Absorption system, Modelling, Nitrate, Solar cooling
• Source: 13^th IIR Gustav Lorentzen Conference on Natural Refrigerants (GL2018). Proceedings. Valencia, Spain, June 18-20th 2018.
• Formats : PDF

Out of the ordinary: Cool stays

Looking for a refreshingly cool place to stay? Ice hotels in Swedish Lapland and Quebec , Canada make a refreshing change. The Ice Hotel inJukkasjärvi, Sweden, is built (and rebuilt each year) from 10 000 tons of ice and 30 000 tons of snow; it...

• Publication date : 2005/02/11

Spain: a EUR 1.5 million plan to help supermarkets comply with the European regulation on fluorinated gas

The Spanish government has approved a plan for €1.5m in aid for the conversion or replacement of supermarket refrigeration systems to alternative low GWP refrigerants.

• Publication date : 2018/10/03
• Subjects: Regulation

New air conditioner system features “3D” camera

Japanese manufacturer Hitachi recently unveiled nine models of residential air conditioners with an unusual feature. The Stainless Clean Shirokuma-kun X series units features the company's "Living Camera 3D" technology.

• Publication date : 2015/05/05

The Cold Hard Facts 2020 report presents the main figures of refrigeration in Australia

Cold Hard Facts 2020 analyses 2019 data to identify key developments and emerging trends in the refrigeration and air conditioning industry. 

• Publication date : 2020/11/27
• Subjects: Figures, economy

Slight increase in HFC consumption in 2020 in Europe

In 2020, HFC consumption in Europe increased by 7% compared to 2019 but remains in compliance with the requirements of the F-Gas Regulation, according to the European Environment Agency. 

• Publication date : 2022/01/28

IIR conference on HFOs: Energy efficiency and safety in the spotlight

Energy efficiency and safety were at the heart of the very successful first IIR International Conference on the Application of HFO Refrigerants, which took place on September 2-5, 2018 in Birmingham, UK.

• Publication date : 2018/09/20

Assessing the market potential of industrial heat pumps in Europe

To address the lack of product development of high temperature heat pumps, a recent article provides manufacturers with an estimate of the industrial heat pump market potential in...

• Publication date : 2021/11/30
• Subjects: Figures, economy, Technology

France: Assessment of the refrigerant emissions avoided between 1993 and 2013

The commitment and engagement from most stakeholders in the “Cooling and Air Conditioning “ branch helped avoid 45 million emitted tonnes of carbon dioxide equivalent.

• Publication date : 2016/04/20

Cooling the world’s largest supercomputers

Direct liquid cooling is a highly energy-efficient solution for cooling supercomputers capable of performing millions or billions of billions of calculations per second. Here are two examples in the United States and France.

• Publication date : 2019/12/30

Heat pumps : the core technology for sustainable heating

A recent report by the IEA highlights that heat pumps are essential to reducing the use of natural gas for heating, while improving energy security, reducing emissions and ensuring...

• Publication date : 2023/01/26
• Subjects: Environment

Road to COP28. Extending the temperature range and application for heat pumps

To promote decarbonation, “high temperature heat pumps should be designed using waste heat and renewables as a driving energy, and environmentally friendly working fluids”, according...

• Publication date : 2023/05/30
• Subjects: Technology

The IIR at the refrigeration forefront of EU projects

Generally involved in the dissemination process, the IIR makes use of its network, activities and services to promote worldwide the research outcomes of the EU projects.

• Publication date : 2015/03/03

The IIR brings women in refrigeration to the forefront

Discover the reasons why the IIR organised its first fun and informal workshop on “Women in Refrigeration” during ICR2015.

• Publication date : 2015/09/09