Search results

Entropic and statistical analysis of refrigeration cycles for “shock” freezing.

[In Russian. / En russe.]

• Author(s) : ARKHAROV A. M., SHISHOV V. V., SHAMSUTDINOV I. R., et al.
• Publication date: 2015
• Languages : Russian
• Keywords : Calculation, R507, Ammonia, R22, Statistics, Entropy, Thermodynamic cycle
• Source: Kholodilnaya Tekhnika - n. 11

IIR document

Refrigerant boiling at low heat flux densities in vertical tubes with heat transfer enhancing fittings.

• Author(s) : NIEZGODA-ZELASKO B., ZELASKO J.
• Publication date: 2015/06
• Languages : English
• Keywords : R410A, R407C, Heat transfer coefficient, Vertical tube, Heat transfer, R507, Flux, Refrigerant, Boiling
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 54
• Formats : PDF

Recommended by the IIR / IIR document

Diagnosis and baseline refrigerant use in the Colombian meat, dairy, and fruit and vegetable industries.

• Author(s) : PARDO MARTINEZ C. I., COTTE POVEDA A., TORRALBA BARRETO D. R.
• Publication date: 2021/11
• Languages : English
• Keywords : Review, R134a, Colombia, Survey, Refrigerant charge, Fruit, Dairy product, Meat, Vegetable, HFC, R22, R404A, R507, Regulations, Cold storage
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 131
• Formats : PDF

IIR document

Comparing energy consumption and life cycle costs of industrial size refrigeration systems.

• Author(s) : LUND T., SKOVRUP M. J., HOLST M.
• Publication date: 2019/08/24
• Languages : English
• Keywords : Industrial application, Energy consumption, Comparison, Calculation, R744, R717, R507, Ammonia, Two-stage system, Performance, Cascade system, Transcritical cycle, CO2
• Source: Proceedings of the 25^th IIR International Congress of Refrigeration: Montréal , Canada, August 24-30, 2019.
• Formats : PDF

R450a and R513a as low-GWP substitutes of R-134a and R-507a in a medium temperature refrigeration system.

• Author(s) : LLOPIS R., NEBOT-ANDRÉS L., CATALÁN-GIL J., et al.
• Publication date: 2018/06/19
• Languages : English
• Source: CYTEF 2018. IX Congreso Ibérico y VII Congreso Iberoamericano de Ciencias y Técnicas del Frío, Valencia, España, 19-21 junio 2018.
• Formats : PDF

IIR document

Ammonia and CO2 applications in industrial refrigeration plants.

• Author(s) : BOONE J., IVANOV I.
• Publication date: 2015/04/16
• Languages : English
• Source: 6^th Conference on Ammonia and CO2 Refrigeration Technology. Proceedings: Ohrid, North Macedonia, April 16-18, 2015.
• Formats : PDF

High-Glide refrigerant blends and system retrofits.

• Author(s) : WITHOUSE J.
• Publication date: 2016/11/09
• Languages : English
• Source: ASHRAE Journal - vol. 58 - n. 11

IIR document

Commercial refrigeration: an overview of current status.

• Author(s) : MOTA BABILONI A., NAVARRO-ESBRÍ J., BARRAGÁN-CERVERA A., et al.
• Publication date: 2015/09
• Languages : English
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 57
• Formats : PDF

Les systèmes de froid dans le domaine du médicament: perspectives et évolutions.

Refrigeration systems applied to medicine: developments and prospects.

• Author(s) : RIVET P.
• Publication date: 2017/03
• Languages : French
• Source: Revue générale du Froid & du Conditionnement d'air - n.1162

IIR document

Environmental impact of possible replacements for R22.

• Author(s) : DRUGHEAN L., ILIE A., GIRIP A., 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

Theoretical evaluation of cooling and heat-pump operation of an environmental test chamber using CO2 as refrigerant.

• Author(s) : WAGNER A., LANGEBACH R., HESSE U.
• Publication date: 2018/06/18
• Languages : English
• Source: 13^th IIR Gustav Lorentzen Conference on Natural Refrigerants (GL2018). Proceedings. Valencia, Spain, June 18-20th 2018.
• Formats : PDF

Utilization of ejector for decrease of compressor discharge pressure in HVAC&R applications.

• Author(s) : ALAM M., ELBEL S.
• Publication date: 2022
• Languages : English
• Source: 2022 Purdue Conferences. 19^th International Refrigeration and Air-Conditioning Conference at Purdue.
• Formats : PDF

Multi-Year evaluation of R-449A as a replacement for R-22 in low temperature and medium temperature refrigeration applications.

• Author(s) : PANSULLA A., ALLGOOD C.
• Publication date: 2016/07/11
• Languages : English
• Source: 2016 Purdue Conferences. 16th International Refrigeration and Air-Conditioning Conference at Purdue.
• Formats : PDF

Ersatz von R22: was ist zu beachten? 2. Praktisches R22/R507-Umstellungskonzept Kälteanlagenbau.

R22 phase-out: what should be taken into consideration? 2. Practical R22/R507 replacing design for the construction of a refrigeration plant.

• Author(s) : ECKHOFF W., FLOHR F., PUHL C., et al.
• Publication date: 2008/10
• Languages : German
• Keywords : Recommendation, R507, R22, Substitute, Refrigerant
• Source: Kälte + Klimatechnik (Die) - vol. 61 - n. 10

IIR document

R507: Thermophysical Properties.

• Author(s) : IIF-IIR
• Publication date: 2001
• Languages : English
• Keywords : Saturation, Diagram, R507, Thermodynamic property, Physical property, Pressure, Enthalpy, Refrigerant
• Formats : Hard copy, PDF

US: R134a, R410A and R407C could be banned in chillers from 2025

AHRI and NRDC issue joint letter supporting EPA SNAP proposal to prohibit R134a, R410A and R407C in new chillers from 2025.

• Publication date : 2016/04/06
• Subjects: HFCs alternatives

Canada: Government intends to prohibit R134a in commercial refrigeration

A Notice of Intent was published by the Canadian Ministry of Environment indicating that the government is considering prohibition of the manufacture and import of high GWP refrigerants, including R134a, R507 series and R404A in certain commercial...

• Publication date : 2015/04/09
• Subjects: Regulation

Kenyan fish processing facility upgrades from R22 to ammonia

East Africa Sea Foods (EASF), a fish processing facility in Kenya, recently replaced its aging R22 refrigeration system with a two-stage ammonia system.

• Publication date : 2020/04/05
• Subjects: Developing country, HFCs alternatives

Low GWP refrigerants for Olympic ice rinks in China

For the Olympic and Paralympic Winter Games in Beijing, nine ice rinks are used. five use CO2 as a  refrigerant, and four use R449A. 

• Publication date : 2022/02/28
• Subjects: HFCs alternatives

Latest news on HFCs alternatives

R470A, R470B, R466: What applications and what features for these new non-flammable refrigerants?

• Publication date : 2019/12/30

Reducing the environmental impact of ultra-low temperature refrigeration systems

Ultra-low temperature (ULT) refrigeration systems often use very high-GWP HFCs. Yet, ULT systems are excluded from the scope of the regulations aimed at phasing-down HFCs. An IJR paper reviews the most promising...

• Publication date : 2020/04/05
• Subjects: Environment, HFCs alternatives

France: a HFC price commission before an index from INSEE (in French)

During SIFA, the Snefcca (French national union of refrigeration, kitchen equipment and air conditioning companies) confirms deadlines and framework of the future index from INSEE (French national institute for statistics and economic studies)...

• Publication date : 2015/12/09
• Subjects: Figures, economy, HFCs alternatives

Briefs: USA

- The US Department of Energy (DOE) has published on August 31 the first energy efficiency standards for refrigerated vending machines. The new standards take effect in 2012 and over the following 30 years, DOE estimates it will save about 47 TWh...

• Publication date : 2009/12/09

Direct CO2 emissions generated by the refrigeration sector in Chile

As part of its national inventory submitted to the UNFCCC, Chile reported greenhouse gas emission values for the refrigeration and air conditioning sector.

• Publication date : 2021/08/16
• Subjects: Figures, economy, Developing country, Environment

Price increase for HFCs

Chemours, Mexichem and Arkema have announced 10-15% rise in cost of several HFCs from 1st January 2016

• Publication date : 2015/12/09
• Subjects: HFCs alternatives

Increase in refrigerant prices in the United Kingdom.

Refrigerant suppliers across the United Kingdom announced price increases of high GWP refrigerants from April 1, 2017.

• Publication date : 2017/03/27
• Subjects: Figures, economy, HFCs alternatives

Consequences of the EU F-Gas Regulation: uncertainty on the future availability of R404A

Anyone installing equipment with R404A now will probably have to retrofit to a lower GWP refrigerant in the next few years.

• Publication date : 2015/04/20
• Subjects: Regulation

Supermarket refrigerant retrofitting.

A few figures about supermarkets retrofitting their refrigeration systems with alternative refrigerants.

• Publication date : 2017/03/24

US: EPA confirms two rules to reduce HFC emissions.

HFC phase-down: The US Environmental Protection Agency (EPA) announces a ban on a number of HFC refrigerants in certain applications and tightens leak rate rules.

• Publication date : 2017/01/17
• Subjects: Regulation, HFCs alternatives

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

Discover the new IIR Publications Catalogue!

Available in print and PDF version, in the IIR 2016/2017 Publications Catalogue you will find our latest and staple publications (including IIR conference proceedings), reference documents, and a list of all our Information Services.

• Publication date : 2016/06/22

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 : English, French
• Themes : HFCs