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IIR document

Experimental investigation and new correlation for the bubble departure diameter of methane and ethane binary mixtures during nucleate pool boiling.

• Author(s) : LI Z., XUE H., SHEN J., ZHAO Y., GONG M.
• Publication date: 2022/05
• Languages :
• Keywords : Methane, Ethane, Bubble, Pool boiling, Correlation, Model, Joule-Thomson, Modelling, LNG, Liquefaction
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 137
• Formats : PDF

Nuevo modelo dinámico de un intercambiador enterrado en TRNSYS: adaptación del modelo B2G a largos periodos de simulación.

New dynamic model of a buried exchanger by using TRNSYS: B2G model adaptation to wide simulation periods.

• Author(s) : MARÍN A. C., RUIZ CALVO F., MONTAGUD MONTALVÁ C., et al.
• Publication date: 2016/05/03
• Languages : Spanish
• Keywords : Geothermy, Simulation, Heat pump, Ground-source system, Model, Heat exchanger
• 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

Modelo dinámico para pequeñas redes urbanas de calefacción en las zonas rurales.

Dynamic model for small district heating networks in rural areas.

• Author(s) : BESTRZYNSKI G. K., RAZANI A. R., JANSSEN H., et al.
• Publication date: 2014/10
• Languages : Spanish
• Keywords : Network, Model, Hydraulics, District heating
• Source: Frío Calor Aire acondicionado - vol. 42 - n. 473
• Formats : PDF

IIR document

An improved approach to model compressors, condenser/gas cooler and their control system in refrigeration systems with R404A and R744 based on physical principles.

• Author(s) : SACASAS D., VEGA J., CUEVAS C., BORRAJO R.
• Publication date: 2023/09
• Languages :
• Keywords : Supermarket, R744, R404A, Booster, Compressor, Condenser, Gas cooler, Modelling
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 153
• Formats : PDF

Research and development of numerical model of LNG dispersion.

• Author(s) : ZHANG X., LI J., LIU L., et al.
• Publication date: 2015/10
• Languages : English
• Keywords : Calculation, Atmosphere, Model, LNG, Leakage
• Source: Cold Facts - vol. 31 - n. 5

Development, validation, and assessment of a high fidelity chilled water plant model.

• Author(s) : BAILLIE B. P., BOLLAS G. M.
• Publication date: 2017/01/25
• Languages : English
• Keywords : Comparison, Chiller, Optimization, Modelling, Model, Chilled water
• Source: Applied Thermal Engineering - vol. 111

IIR document

A flexible numerical model of a multistage active magnetocaloric regenerator.

• Author(s) : SCHROEDER M. G., BREHOB E.
• Publication date: 2016/05
• Languages : English
• Keywords : Regenerator, Magnetocaloric property, Multistage system, Model, Magnetism
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 65
• Formats : PDF

Assessment of the accuracy of solar irradiance models in mountain locations: the case of Bolzano, Italy.

• Author(s) : PERNIGOTTO G., PRADA A., GASPARELLA A.
• Publication date: 2022
• Languages : English
• Keywords : Solar radiation, Model
• Source: 2022 Purdue Conferences. 7^th International High Performance Buildings Conference at Purdue.
• Formats : PDF

Modelling of a rotary desiccant wheel: Numerical validation of a Variable Properties Model.

• Author(s) : BARESCHINO P., DIGLIO G., PEPE F., et al.
• Publication date: 2015/03
• Languages : English
• Keywords : Mass transfer, Heat transfer, Desiccant wheel, Performance, Optimization, Model
• Source: Applied Thermal Engineering - vol. 78

IIR document

Evaluation of gray box thermostatic expansion valve mass flow models.

• Author(s) : BEHFAR A., YUILL D.
• Publication date: 2018/12
• Languages : English
• Keywords : Thermostatic expansion valve, Air conditioner, Modelling, Model, Mass, Flow, Flow rate
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 96
• Formats : PDF

IIR document

Empirical models for efficiency and mass flow rate of centrifugal compressors.

• Author(s) : FANG X., CHEN W., ZHOU Z., et al.
• Publication date: 2014/05
• Languages : English
• Keywords : Efficiency, Performance, Model, Flow rate, Centrifugal compressor
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 41
• Formats : PDF

IIR document

Simulation models in the supersmart supermarket energy-benchmark tool.

• Author(s) : FIDORRA N., HAFNER A., KÖHLER J.
• Publication date: 2014/06/23
• Languages : English
• Keywords : R744, Supermarket, Simulation, Model, Energy saving, CO2
• Source: 3^rd IIR International Conference on Sustainability and the Cold Chain. Proceedings: London, UK, June 23-25, 2014
• Formats : PDF

Thermodynamic model of cooling tower with Lewis number and operating characteristics analysis.

[In Chinese. / En chinois.]

• Author(s) : XIA S., MA J., WU J., et al.
• Publication date: 2014/08
• Languages : Chinese
• Keywords : Thermodynamics, Cooling tower, Temperature, Performance, Model, Counterflow
• Source: HV & AC - vol. 44 - n. 293
• Formats : PDF

A perturbation model for stratified thermal energy storage tanks.

• Author(s) : VOTYAKOV E. V., BONANOS A. M.
• Publication date: 2014/08
• Languages : English
• Keywords : Stratification, Tank, Energy storage, Model, Thermal energy storage
• Source: International Journal of Heat and Mass Transfer - vol. 75

Poredenje modela poslovnog objekta sa energetskog i ekološkog aspekta.

Comparison of office building models from energy and environmental aspects.

• Author(s) : KRSTIC-FURUNDZIC A., KOSIC T.
• Publication date: 2014/12/03
• Languages : English
• Keywords : Office, Energy consumption, Building, Design, Cooling, Model, Environment, Energy efficiency, Heating
• Source: Zbornik radova. 45. Medunarodnikongres i izložba o grejanju hladenju i klimatizaciji./ Proceedings. 45th International congress and exhibition on heating, refrigeration and air conditioning (HVAC&R).
• Formats : PDF

Modelling energy use in a frozen food supermarket

A study presents a simulation used to model energy consumption in a frozen food supermarket in United Kingdom.

• Publication date : 2017/04/25

Must read in IJR: a comprehensive review on fault detection in HVAC systems

The latest research and developments in the fault detection and diagnostics of HVAC systems are presented in several articles recently published in the IJR.

• Publication date : 2023/02/13
• Subjects: Technology

Great potential for solar district cooling in Saudi Arabia

A recent modelling compares the performances of a two-stage and a single-stage absorption chiller in a solar district cooling system in Riyadh, Saudi Arabia.

• Publication date : 2018/12/27
• Subjects: Developing country

Alternatives to replace R404A for refrigerated transport

With about 5 million refrigerated vehicles operating worldwide, there is active research and development focusing on identifying alternatives to R404A, which is traditionally used in truck and trailer...

• Publication date : 2020/09/04
• Subjects: HFCs alternatives

Artificial intelligence techniques for energy-efficient HVAC systems

The benefits of Artificial Intelligence (AI) for Heating, Ventilation, and Air-Conditioning (HVAC) systems was one of the hot topics of the IIR-co-sponsored International Conference on Emerging Technologies for Sustainable and Intelligent HVACR...

• Publication date : 2018/09/20

A mathematical study presents a general derivation and a quantifcation of the third law of thermodynamics

Two physicists from University College London have provided a derivation of the "unattainability principle", which states that any process cannot reach absolute zero temperature in a finite number of steps.

• Publication date : 2017/03/30

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

Reducing emissions from China’s refrigeration sector

According to a recent report by the Economist Intelligence Unit, China is responsible for about one third of global emissions from refrigeration. The report presents scenarios for...

• Publication date : 2021/09/07
• Subjects: Regulation, Environment, Figures, economy

Earth-to-air heat exchanger for air conditioning in a Colombian tropical weather

In a recent theoretical study, a passive cooling system using an earth-to-air heat exchanger (EAHE) was modelled for the Colombian tropical weather.

• Publication date : 2021/08/02
• Subjects: Developing country, Technology

Challenges related to the adoption of air conditioning in emerging economies by 2040

The authors of a recent article modelled the adoption of air conditioning by 2040 in four emerging economies: Brazil, India, Indonesia, and Mexico. The adoption of AC could increase between two- to sixteen-fold,...

• Publication date : 2021/11/29
• Subjects: Developing country, Figures, economy

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

Applications of Artificial Intelligence to refrigeration systems

AI techniques, which are currently very topical, are the subject of intense research and development. Overview of their applications and benefits in the refrigeration sector, based on the latest articles...

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

GL2012 highlights: Performance analysis of ice rinks to cut down energy use

A comparison between two Swedish ice rinks shows a roughly 33% difference in terms of energy consumption

• Publication date : 2012/12/11

ICR2011 highlights: indoor air-quality issues in passive buildings

Polish specialists recommend mechanical ventilation for passive buildings

• Publication date : 2012/03/13

EU F-Gas review: feedbacks on the preliminary findings of the evaluation study

The preliminary evaluation report submitted in May at the request of the European Commission by Öko-Recherche and Ricardo raised some questions. 

• Publication date : 2021/06/28
• Subjects: HFCs alternatives, Regulation

New publications: The CD-ROM proceedings of the 1st IIR International Conference on Magnetic Refrigeration at Room Temperature

The CD-ROM proceedings of the 1st IIR International Conference on Magnetic Refrigeration at Room Temperature held in Montreux, Switzerland, are now available. They comprise 4 keynote presentations, 20 papers on materials (gadolinium and its...

• Publication date : 2006/01/28

International events: Des Moines

The 3rd IIR International Conference on Magnetic Refrigeration at Room Temperature (THERMAG III) was held in Des Moines, Iowa, USA on May 11-15, 2009. The conference had three major themes: magnetocaloric materials (40% of papers), theory and...

• Publication date : 2009/08/13

Conferences

Interested in refrigerated storage, transportation and display of food products? Find out more: http://fetweb.ju.edu.jo/conferences/confiir/confiir.html...

• Publication date : 2005/02/11

Conference report: Australia

Postharvest Unlimited Downunder 2004, an IIR-co-sponsored conference, was held in Sydney, Australia, on November 9-12, 2004, with as theme "Postharvest technologies for the delivery of high quality horticultural products - implementation based on...

• Publication date : 2005/02/11

New IIR publication

The CD-ROM proceedings of Ammonia Refrigerating Systems, Renewal and Improvement, an IIR conference held in Ohrid, Macedonia (FYROM), on May 6-8, 2005, comprise 29 papers spanning a wide range of ammonia applications. Key topics: past, present and...

• Publication date : 2005/07/19

Conference update: Cambridge

The 1st IIR Conference on Sustainability and the Cold Chain is to be held on March 29-31, 2010. The conference, which will attract an international audience of researchers and industrialists, will bring together those with an...

• Publication date : 2009/12/09

The International Journal of Refrigeration (IJR)

The IJR is the most important scientific journal in the field of refrigeration technology. It is a co-publication of Elsevier and the IIR. Eight issues are published each year, with over 15 articles per issue. Certain issues are totally or...

• Publication date : 2006/07/26

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

IIR Research Priorities

The IIR decided, within the framework of its Strategic Plan, to draw up a list of research priorities for the future. It hopes that these priorities will be a valuable guiding force for decision-makers in the public and private research sectors,...

• Publication date : 2005/07/19

IIR Informatory Note highlights global air conditioning's CO2 emissions and energy impact

The IIR has modelled current and future CO2 emissions attributable to air conditioning in different regions of the world.

• Publication date : 2024/08/01
• Subjects: Figures, economy, Environment

Energy efficiency on the agenda for discussion during Montreal Protocol meetings in Vienna

Focus on the fruitful workshop on "the energy efficiency opportunities while phasing down hydrofluorocarbons (HFCs)", which preceded the 40th meeting of the Open-ended Working Group (OEWG40) of the Parties to the Montreal Protocol on Substances...

• Publication date : 2018/08/08

PhD student recruitment

PhD Studentship for 36 months for a subject concerning Magnetic Refrigeration at Room Temperature (Machines, Theory, Modelling and Experiments): We are looking to recruit a PhD student in the area of magnetic refrigeration (thermal and fluid...

• Publication date : 2010/09/30

Don't miss the FRISBEE workshop at ICCC2014

On the afternoon of the 23rd June, the IIR will organize a FRISBEE Project a workshop at the 3rd International Conference on Sustainability and the Cold Chain (ICCC2014) at Twickenham College, London, UK.

• Publication date : 2014/05/20

Compressors Conference 2023 in London: Register today!

The 13th International Conference on Compressors and their Systems will be held this September in London.

• Publication date : 2023/07/19
• Subjects: Technology

Join the FRISBEE Demonstration Day!

On August 29, 2014, for the official closing of FRISBEE, the consortium will hold a “FRISBEE Demonstration Day”

• Publication date : 2014/07/30

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 : English, French
• Themes : Caloric cooling (magnetocaloric, electrocaloric, elastocaloric and barocaloric cooling)