Search results

Experimental research on a double-layer radiant floor system with phase change material under heating mode.

Experimental research on a double-layer radiant floor system with phase change material under heating mode.

• Author(s) : XIA Y., ZHANG X. S.
• Publication date: 2016/03/05
• Languages : English
• Keywords : Floor, Building, Energy storage, Material, Expérimentation, Energy saving, Change of phase
• Source: Applied Thermal Engineering - vol. 96

IIR document

T-bar floor protection in intermodal refrigerated containers.

• Author(s) : LAWTON A. R., RHODES C.
• Publication date: 2018/04/06
• Languages : English
• Keywords : Wood, Floor, Intermodal transport, Refrigerated transport, Banana, Testing, Refrigerated container
• Source: 5^th IIR International Conference on Sustainability and the Cold Chain. Proceedings: Beijing, Chine, 6-8 avril 2018
• Formats : PDF

Radiant floor cooling systems: a critical review of modeling methods.

• Author(s) : BIZZARRI M., CONTI P., GLICKSMAN L. R., SCHITO E., TESTI D.
• Publication date: 2023/09
• Languages : English
• Keywords : Floor, Cooling, Review, Modelling, Heat transfer, Air conditioning, Radiation
• Source: Energies - vol. 16 - 17
• Formats : PDF

Comparing VAV ceiling and under floor supply air diffusers.

• Author(s) : BOSCH C.
• Publication date: 2014/04
• Languages : English
• Keywords : Generality, Floor, Safety, Comparison, Air diffuser, Pressurization, Ceiling, Thermal comfort
• Source: RACA Journal - vol. 30 - n. 2
• Formats : PDF

Model predictive control of a radiant floor cooling system in an office space.

• Author(s) : JOE J., KARAVA P., HOU X., et al.
• Publication date: 2016/07/11
• Languages : English
• Keywords : Office, Floor, Building, Control (automatic), Simulation, Prediction, Model
• Source: 2016 Purdue Conferences. 4^th International High Performance Buildings Conference at Purdue.
• Formats : PDF

IIR document

A measurement of velocity fields in a floor heating room for validation of CFD.

• Author(s) : OKAZAKI S., SAKAI K., ONO H., et al.
• Publication date: 2015/08/16
• Languages : English
• Keywords : Wind, Velocity (fluids, gases), Floor, Building, Measurement, Heating
• Source: Proceedings of the 24th IIR International Congress of Refrigeration: Yokohama, Japan, August 16-22, 2015.
• Formats : PDF

Fault detection and diagnostic method based on evolving data-driven model for radiant floor heating and cooling systems.

• Author(s) : DAHAL S., WANG L., BRAUN J.
• Publication date: 2022
• Languages : English
• Keywords : Building, Radiative cooling, Floor, Failure, Modelling
• Source: 2022 Purdue Conferences. 7^th International High Performance Buildings Conference at Purdue.
• Formats : PDF

Economic analysis on floor radiant heating/cooling systems.

[In Chinese. / En chinois.]

• Author(s) : GONG K., LIU X., WANG Z.
• Publication date: 2015/01
• Languages : Chinese
• Keywords : Radiative cooling, Floor, Exergy, Comparison, Cooling, Pressurization, Performance, Heating
• Source: HV & AC - vol. 45 - n. 299
• Formats : PDF

Numerical simulation on the thermal performance of hydraulic floor heating system with phase change materials.

• Author(s) : ZHAO M., ZHU T., WANG C., et al.
• Publication date: 2016/01/25
• Languages : English
• Keywords : Thermal conductivity, Floor, Simulation, Material, Heating, Change of phase, Thermal energy storage
• Source: Applied Thermal Engineering - vol. 93

Estudio experimental de una nueva unidad terminal: integración de un suelo radiante en un sistema de ventilación por plenum.

Experimental study of a new terminal unit: integration of a radiant floor in a plenum ventilation system.

• Author(s) : FERNÁNDEZ HERNÁNDEZ F., CEJUDO LÓPEZ J. M., FERNÁNDEZ GUTIÉRREZ A., et al.
• Publication date: 2016/05/03
• Languages : Spanish
• Keywords : Floor, Ventilation, Cooling, Expérimentation, Thermal comfort
• 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

A weather forecast-based control for the improvement of PCM enhanced radiant floors.

• Author(s) : CESARI S., EMMI G., BOTTARELLI M.
• Publication date: 2022/04
• Languages : English
• Keywords : Prototype, Energy efficiency, Energy saving, Heating, PCM, Floor, Meteorology, Control (generic), Test room, Domestic heat pump, Air conditioning
• Source: Applied Thermal Engineering - vol. 206

Estudio del control para un sistema de refrigeración conjunto de suelo refrescante y ventiloconvectores.

Investigation of the cooling system control combining floor cooling and fan-coil units.

• Author(s) : MÁRQUEZ A. A., CEJUDO LÓPEZ J. M., FERNÁNDEZ HERNÁNDEZ F., et al.
• Publication date: 2016/05/03
• Languages : Spanish
• Keywords : Refrigerating system, Floor, Fan-coil unit, Optimization, Control (generic), Thermal comfort
• 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

Research on the operating characteristics of floor heating system with residential EVI air source heat pump in China.

• Author(s) : CHEN X., ZHANG Z., SHI J., et al.
• Publication date: 2016/07/11
• Languages : English
• Keywords : Operation, Floor, Seasonal performance, China, Air-source system, Heat pump, Case study, Heating, Cold climate
• Source: 2016 Purdue Conferences. 16th International Refrigeration and Air-Conditioning Conference at Purdue.
• Formats : PDF

Uniformity of Supply Air in the Plenum for Under-Floor Air Distribution Ventilation in a Circular Conference Room: A CFD Study.

Étude CFD de l'uniformité de l'air d'alimentation dans le plénum pour la ventilation par distribution d'air sous le plancher dans une salle de conférence circulaire.

• Author(s) : FAN X., YU T., LIU P., LI X.
• Publication date: 2022/09
• Languages : English
• Keywords : Floor, Air distribution, CFD, Simulation, Energy consumption, Conference room, Modelling, Office, Building
• Source: Energies - 15 - 17
• Formats : PDF

Energy Efficiency Research of an Air-source Heat Pump for Floor Heating System in Winter Test.

• Author(s) : NI C., HUANG H., YANG L., WANG T.
• Publication date: 2021/08/31
• Languages : English
• Keywords : Air-source system, Domestic heat pump, Domestic water, Residential building, Heating, Energy efficiency, Floor, Energy consumption, Winter, Case study, Calculation
• Source: 13^th IEA Heat Pump Conference 2021: Heat Pumps – Mission for the Green World. Conference proceedings [full papers]
• Formats : PDF

Radiant floor cooling for giant European shopping centre

Dolce Vita Tejo, one of Europe's largest European shopping centres, located near Lisbon, Portugal, will use under-floor radiant cooling for its 423000 m² surface, 300 shops and 9000 parking spaces. In such a vast space, indoor climate would...

• Publication date : 2009/01/23

Japan: revised Fluorinated gas legislation to encourage rationalised use and proper management of fluorocarbons

The Japanese Cabinet recently approved the “Bill for the Act for Partial Revision of the Act on Ensuring the Implementation of Recovery and Destruction of Fluorocarbons concerning Designated Products.”

• Publication date : 2013/08/29
• Subjects: Regulation

Fluorinated gas emissions in Europe

The European Environment Agency (EEA) recently published its annual report on fluorinated greenhouse gases.

• Publication date : 2018/03/05
• Subjects: Figures, economy, HFCs alternatives

Global fluorochemicals market

The global fluorochemicals industry was valued at USD 15.3 billion in 2011 and is expected to generate revenue of USD 21.5 billion by 2018, growing at a CAGR of 5% from 2012 to 2018.

• Publication date : 2014/04/07
• Subjects: HFCs alternatives

Global fluorocarbon refrigerants market

Global fluorocarbon refrigerants market was valued at USD 11,032.50 million in 2013 and is estimated to reach USD 15,635.61 million by 2019.

• Publication date : 2014/12/14
• Subjects: Figures, economy

Brief: Cryotemperatures save flooded archives

In February 2010, "Xynthia", a major storm swept over La Rochelle, France. In order to rescue the archives of the "Conseil Général de Charente Maritime" the departmental authority that were covered with 2-metre deep sea water, cryogenic...

• Publication date : 2011/02/07

EU Regulation on fluorinated gas impacts

The revised regulation on fluorinated gas No 517/2014 was published on May 20, 2014 in the Official Journal of the European Union. It entered into force on June 9 and will apply from January 1, 2015.

• Publication date : 2014/08/08
• Subjects: Regulation, HFCs alternatives

The life cycle of fluorocarbons: case studies

The Climate and Clean Air Coalition has published a guide for policymakers in which  good practices regarding the life cycle of fluorocarbons are discussed. Concrete examples of refrigerant recycling in...

• Publication date : 2022/07/08
• Subjects: HFCs alternatives

France: successful initiative to recover fluorinated refrigerants.

An initiative from the French association ACD3R has helped to avoid the emission of 45 million tonnes CO2 between 1993 and 2013.

• Publication date : 2017/01/25
• Subjects: Environment, HFCs alternatives

GL2012 highlights: Experience from the Danish regulation on fluorinated gas

In 2001 and 2002, Denmark introduced a national regulation on fluorinated greenhouse gases: they were banned for certain purposes and a tax of DKK 100 (around 13 €) per tonne of CO2 equivalents was imposed on the importation of HFC/PFC/SF6....

• Publication date : 2013/02/01
• Subjects: Regulation

World demand for fluorocarbons to rise annually by 3.4% through 2016

According to a recent market report on fluorochemicals by Freedonia, global demand for fluorine containing chemicals is forecast to rise 3.9% per year to 3.5 million tonnes in 2016, valued at USD 19.7 million.

• Publication date : 2012/06/08
• Subjects: Figures, economy

Fluorocarbon producers join the Mobile Air Conditioning Climate Protection Partnership

On June 29, 2004, the fluorocarbon producers Atofina, DuPont, INEOS Fluor, Honeywell, Solvay and the JFMA, announced that they will provide 300 000 US dollars to help fund the Mobile Air Conditioning Climate Protection Partnership, which includes...

• Publication date : 2004/09/14

A surprising increase in the emissions of trichlorofluoromethane (R11) since 2012

An article published in Nature underlines the unexpected and persistent increase in global emissions of ozone-depleting R11.

• Publication date : 2018/06/22
• Subjects: Regulation

Global fluorochemicals market expected to reach USD 25 billion by 2020

HCFC refrigerants still account for over 60% of the total fluorocarbon market worldwide, according to a new report.

• Publication date : 2014/04/30
• Subjects: Figures, economy

Germany: fluorinated greenhouse gas use takes another dive in 2013

Use of HFCs, HCFCs and SF6 decreased by 7% in Germany in 2013, according to latest figures from the German government.

• Publication date : 2015/02/03
• Subjects: Figures, economy, HFCs alternatives

Member news: Mexichem Fluor changes name to Koura

The Mexichem branch specialized in the development and manufacturing of fluorinated products changes its name to become Koura.

• Publication date : 2019/09/30

The OEWG 38: dedicated to the phase down of hydrofluorocarbons

The IIR reports back from the 38th Open-Ended Working Group meeting in Vienna

• Publication date : 2016/07/27

News from IIR members: Danfoss

A pleasant indoor climate and no energy costs. This is what it feels like to live in the Zero+ house - the first home in Denmark that produces more power than is actually consumed. The house supplies its own heating and electricity and generates...

• Publication date : 2011/02/04

IIR member news: Linde

Linde claims cryogenic freezing allows cookie manufacturers to produce a more consistent product.

• Publication date : 2015/12/08

IIR member news: Daikin launches new VRV solution

Daikin has launched a new VRV solution to meet the specific demands of city and urban locations where space is limited and customers want an invisible air conditioning solution.

• Publication date : 2015/09/20

Heat pumps, the central theme of the recent IIR Congress

An overview of the research carried out in the field of heat pumps, with the aim of achieving greater flexibility and increased energy efficiency, in particular through to the use of thermal energy...

• Publication date : 2023/10/24

International events: Amsterdam

The 12th European Cold Chain Education Program took place in Amsterdam on January 26-27, 2009 and attracted over 160 participants from 24 countries. Thirty-one presentations covered a wide range of logistics issues including ways of adapting to...

• Publication date : 2009/05/18

Obituary: Per-Oskar Persson

The former Managing Director of Frigoscandia AB, Per-Oskar Persson of Helsingborg, Sweden passed away on August 26, 2008, at the age of 84. He was an Honorary Member of IIR, President of Commission D1, 1971 - 1979, and Head of Section D 1979 -...

• Publication date : 2008/09/29

New in the Encyclopedia: updated GWP values for HFCs

Find all the GWP values over 100 years and 20 years for hydrofluorocarbon (HFC) refrigerants.

• Publication date : 2023/09/22
• Subjects: Environment

The year 2016: a new year full of opportunity

The year 2016 will be particularly important due to increasing international discussions on the production and consumption of hydrofluorocarbons with high global warming potential.

• Publication date : 2016/01/06

Review of F-gas regulation - IIR contribution

The IIR has responded to the European Commission consultation “Fluorinated greenhouse gases – review of EU rules (2015-20)” which aims to collect opinions and suggestions about the update of the F-gas Regulation...

• Publication date : 2020/09/06
• Subjects: Regulation, HFCs alternatives, 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

Global warming potential (GWP) of HFC refrigerants

Using the latest updated data from UNEP’s RTOC 2022 report, we have compiled the 100-year GWP and 20-year GWP values of hydrofluorocarbon-based (HFC) refrigerants. Our table includes...

• Last update : 2023/09/15
• Langues : French, English
• Themes : HFCs

Cold storage conditions for fruits and vegetables

Practical recommendations for the cold storage of over 200 cultivars of fruits, vegetables and herbs (storage temperatures, relative humidity, storage time, controlled atmosphere...

• Last update : 2023/01/16
• Langues : French, English
• Themes : Fruit, Vegetables

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