Search results

Suction superheat and 'glide'.

• Author(s) : ALDER G.
• Publication date: 2014/04
• Languages : English
• Keywords : Suction, Generality, Measurement, Temperature, Superheat, Mixture, Glide, Refrigerant
• Source: RACA Journal - vol. 30 - n. 2
• Formats : PDF

Numerical analysis of suction mufflers.

• Author(s) : RIGOLA J., LÓPEZ J., PAPAKOKKINOS G., et al.
• Publication date: 2014/07/14
• Languages : English
• Keywords : Suction, Geometry, Efficiency, Simulation, Flow rate, Hermetic compressor, Reciprocating compressor
• Source: 2014 Purdue Conferences. 22nd International Compressor Engineering Conference at Purdue.
• Formats : PDF

Suction valve design optimization to improve reliability.

• Author(s) : EKTAS S., AVCI H. A.
• Publication date: 2022/07/15
• Languages : English
• Keywords : Reciprocating compressor, Suction, Valve (compressor), Expérimentation, Performance, Prototype, COP
• Source: 2022 Purdue Conferences. 26^th International Compressor Engineering Conference at Purdue.
• Formats : PDF

Linear compressor suction valve optimization.

• Author(s) : PUFF R., LILIE D. E. B., KNIES M., et al.
• Publication date: 2016/07/11
• Languages : English
• Keywords : Suction, Linear compressor, Inverter, Design, Household refrigerator, Valve (compressor), Optimization, Hermetic compressor, Compressor
• Source: 2016 Purdue Conferences. 23^rd International Compressor Engineering Conference at Purdue.
• Formats : PDF

Predicting the suction gas superheating in reciprocating compressors.

• Author(s) : LACERDA J. F., TAKEMORI C. K.
• Publication date: 2014/07/14
• Languages : English
• Keywords : Suction, Gas, Superheat, Simulation, Prediction, Flow rate, Reciprocating compressor
• Source: 2014 Purdue Conferences. 22nd International Compressor Engineering Conference at Purdue.
• Formats : PDF

A NTU-based model to estimate suction superheating in scroll compressors.

• Author(s) : DINIZ M. C., DESCHAMPS C. J.
• Publication date: 2014/07/14
• Languages : English
• Keywords : Suction, Comparison, Superheat, Performance, Model, Scroll compressor
• Source: 2014 Purdue Conferences. 22nd International Compressor Engineering Conference at Purdue.
• Formats : PDF

Experimental study on suction refrigerant state and discharge temperature for rolling piston compressor.

[In Chinese. / En chinois.]

• Author(s) : YANG L., TAO L., TAO H., et al.
• Publication date: 2014/04
• Languages : Chinese
• Keywords : Suction, Vapour, Temperature, Discharge, Performance, Expérimentation, Rolling piston compressor
• Source: Journal of Refrigeration - vol. 35 - n. 156
• Formats : PDF

IIR document

FSI simulation of the suction valve on the piston for reciprocating compressors.

• Author(s) : WU W., GUO T., PENG C., LI X., ZHANG Z., XU L., HE Z.
• Publication date: 2022/05
• Languages : English
• Keywords : Piston, Suction, Valve (compressor), Reciprocating compressor, Modelling
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 137
• Formats : PDF

Study of multiphase flow at the suction of screw compressor.

• Author(s) : ARJENEH M., KOVACEVIC A., GAVAISES M., et al.
• Publication date: 2014/07/14
• Languages : English
• Keywords : Suction, CFD, Simulation, Expérimentation, Flow, Distribution, Screw compressor, Compressor
• Source: 2014 Purdue Conferences. 22nd International Compressor Engineering Conference at Purdue.
• Formats : PDF

IIR document

Modeling of lubricant retention in suction lines with R32/PVE oil mixture.

• Author(s) : ZENG W., GU B., HU J., DU Z., TIAN Z.
• Publication date: 2022/02
• Languages : English
• Keywords : Lubricant, Modelling, R32, Expérimentation, Refrigerant, Thermodynamic property, Suction
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 134
• Formats : PDF

Transient migration of oil at compressor discharge and suction during startup.

• Author(s) : WANG X., HAIDER S., HRNJAK P., ELBEL S.
• Publication date: 2022
• Languages : English
• Keywords : Scroll compressor, Expérimentation, Oil, Lubricant, Discharge, Thermodynamic property, Suction
• Source: 2022 Purdue Conferences. 19^th International Refrigeration and Air-Conditioning Conference at Purdue.
• Formats : PDF

Estimation of vapor quality at compressor suction of air conditioner.

• Author(s) : ENDOH K.
• Publication date: 2014/07/14
• Languages : English
• Keywords : Suction, Energy balance, Measurement, Air conditioner, Vapour, Discharge, Quality, Expérimentation, Compressor
• Source: 2014 Purdue Conferences. 15th International Refrigeration and Air-Conditioning Conference at Purdue.
• Formats : PDF

A heat transfer correlation for the suction and compression chambers of scroll compressors.

• Author(s) : PEREIRA E. L. L., DESCHAMPS C. J.
• Publication date: 2016/07/11
• Languages : English
• Keywords : Suction, Correlation, Heat transfer, Flow, Compression, Scroll compressor
• Source: 2016 Purdue Conferences. 23^rd International Compressor Engineering Conference at Purdue.
• Formats : PDF

IIR document

Measurement of the permeability of suction filter in reciprocating compressor.

• Author(s) : RUMAN R., ŠUSTEK J., TOMLEIN P.
• Publication date: 2017/09/06
• Languages : English
• Keywords : Suction, Filter, CFD, Measurement, Permeability, Modelling, Porous medium, Darcy, Reciprocating compressor
• Source: Compressors 2017: 9^th International Conference on Compressors and Coolants.
• Formats : PDF

Dynamic performance of suction valve in stepless capacity regulation system for large-scale reciprocating compressor.

• Author(s) : LIU G., ZHAO Y., TANG B., et al.
• Publication date: 2016/03/05
• Languages : English
• Keywords : Suction, Valve (compressor), Performance, Expérimentation, Reciprocating compressor
• Source: Applied Thermal Engineering - vol. 96

Arkema announced the construction of a R1234yf production plant in China

Arkema, French leading supplier of refrigerants, recently announced the construction of a R1234yf production plant in Changsu (near Shanghai), China.

• Publication date : 2013/12/05

Europe: focus on the consumption, exports, production and destruction of ozone depleting substances.

The European Environment Agency published in September 2017 a report aggregating data submitted by companies using ozone depleting substances.

• Publication date : 2017/10/18
• Subjects: Regulation, Figures, economy

Noise reduction strategies for screw compressors

The operating noise of twin-screw compressors is an important issue that may limit their scope of application. Two recent IJR papers suggest several noise reduction methods and analyse their...

• Publication date : 2021/05/31

International milestone agreement on the phase-down of HFC production and consumption in Kigali

The 28th Meeting of the Parties (MOP28) to the Montreal Protocol which was held in Kigali, Rwanda, from October 10 to 14, 2016, led to an international agreement on the phase-down of the production and consumption of HFCs.

• Publication date : 2016/10/18
• Subjects: HFCs alternatives, Regulation

Management and destruction of ozone depleting substances

A recent GIZ study analyses the management and destruction of ozone depleting substances (ODS) – primarily used as refrigerants – particularly in developing countries.

• Publication date : 2016/05/02
• Subjects: General information, Environment

The LNG global production

Global LNG production capacity to increase by 130 billion m3 by 2018 as 12 new liquefaction plants open IEA report says.

• Publication date : 2014/01/30

HCFC consumption and production in developing countries

Recent data on the HCFC production and consumption of developing countries were submitted to the Committee of the Multilateral Fund for the Implementation of the Montreal Protocol.

• Publication date : 2018/03/27
• Subjects: Developing country

Green hydrogen production project in Namibia

In partnership with a French-German consortium, the Namibian government plans to develop a green hydrogen production facility. Although some of the funding may be secured as early as...

• Publication date : 2022/01/18
• Subjects: Developing country

Recycling could significantly cut down emissions from HFC production

A team of researchers estimated that with 30% of recycled refrigerants in the annual output, CO2 emissions from the production of R134a could be reduced by about a...

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

Reefer container production at its peak

Reefer container production increased greatly during 2011, beating their previous annual peak in 2008 by over 30%.

• Publication date : 2012/06/22

Honeywell CFC destruction plan

Honeywell has begun destroying its inventories of CFCs and CFC blends: the company says it has already destroyed over 12 000 kg of R11.

• Publication date : 2012/06/21

Quick frozen dumplings (jiaozi) production

Quick frozen dumplings play an important part in quick frozen food, is the largest class in quick frozen food production.

• Publication date : 2016/12/14
• Subjects: Figures, economy

Algeria: hydrocarbon production decreased by 4% in 2013

However, LNG production rose by 25 million m3 in 2012.

• Publication date : 2014/02/25

Frozen food production in China

The industry size has increased from RMB 4.566 billion (about 0.8 USD billion) in 2004 to RMB 64.981 billion (about 10.2 USD billion) in 2013, with a CAGR (Compound Annual Growth Rate) of 30.4.

• Publication date : 2015/12/04
• Subjects: Figures, economy

2023 Ice cream production and trade overview

Despite a slight decrease in production, Europe continues to lead global exports of ice cream in 2023. 

• Publication date : 2024/09/18
• Subjects: Figures, economy

New IIR Informatory Note on Refrigerant Charge Reduction

Now available for IIR members! The 25th IIR Informatory Note, the latest in the series on Refrigeration Technologies.

• Publication date : 2014/05/28

ENOUGH Project: Joint Statement on Food Waste Reduction

The ENOUGH project has joined efforts to call for rigorous food waste reduction measures in Europe.

• Publication date : 2023/12/08

1st IIR Workshop on Refrigerant Charge Reduction

1st IIR Workshop on Refrigerant Charge Reduction in Refrigerating Systems will be held in Antony, France, on April 6-7, 2009. Contact helene.macchi@cemagref.fr to register and present a paper

• Publication date : 2009/02/13

Discover the newly-elected IIR Section and Commission heads

Welcome the IIR’s new statutory body members!

• Publication date : 2019/08/29

Call for industrial partners for joint industry cryogenics project linked to LNG production

Become a project partner: Join the Joint Industry Project of MINES ParisTech – ARMINES “Evaluation of the crystallization risk in LNG production”.

• Publication date : 2017/03/16

IIR Working Party on Refrigerant Charge Reduction in Refrigerating Systems: Join Us!

Suitable design of refrigerating systems has several benefits in terms of limitation of the environmental impact thanks to a reduction in the energy consumption and the limitation of refrigerant emissions. The direct greenhouse effect accounts for...

• Publication date : 2008/10/25

The “Carbon reduction opportunities for the food chain” workshop at ICCC 2022

The workshop was focused on the solutions brought by the EU project ENOUGH to reduce emissions from the food sector as set by the EU farm to fork strategy. A panel discussion was also held during the event...

• Publication date : 2022/04/29

The proceedings CD-ROM of the 3rd IIR Workshop on Refrigerant Charge Reduction in Valencia are on sale!

The proceedings CD-ROM comprising 8 plenary presentations, 13 papers, and 2 industrial PowerPoint presentations are on sale on the IIR's Web site (Publications/Bookshop section)

• Publication date : 2013/02/21

Proposal for technical and financial collaboration: Census of cold production equipment in the industrial and tertiary sectors in France (in French)

As part of its activities in industrial and commercial refrigeration, the EDF R&D TREE department is planning to carry out a study on the French stock of installed refrigeration equipment.

• Publication date : 2020/09/28

A new Open Access thesis section on the IIR website!

We’re happy to offer you a new online service! A link library is now available on our website.

• Publication date : 2014/12/23

Continued IIR commitment to reduce refrigerant emissions

This week at UNESCO headquarter in Paris, the IIR is attending the Joint 10th Meeting of the Conference of the Parties to the Vienna Convention and the 26th Meeting of the Parties to the Montreal Protocol.

• Publication date : 2014/11/19
• Subjects: Regulation, HFCs alternatives

Up to 20% discount on refrigeration market research!

Being part of the IIR gives you even more benefits with discounts of up to 20% on refrigeration market research studies.

• Publication date : 2014/10/23

Member news: Koura introduces new refrigerant for air conditioning

Refrigerant manufacturer Koura recently introduced R468C, a refrigerant that could replace R410A in air conditioning systems.  

• Publication date : 2022/10/27
• Subjects: HFCs alternatives

Member news : Danfoss launches thermostatic expansion valve for CO2

Danfoss has recently launched a thermostatic expansion valve for CO2, based on its TE2 valve. It is suitable for small to medium size remote refrigeration systems such as cold rooms and display...

• Publication date : 2022/10/27

Member News: Daikin partners with Fujifilm to reduce noise from some of its ventilation/humidification units

The Japanese company Daikin will soon use a new technology to reduce noise in some of its ventilation and humidification units. 

• Publication date : 2022/02/28

Liquefied Natural Gas: production process and cold energy recovery

Liquefied natural gas (LNG) is natural gas that has been cooled to about -160 °C and turned into a liquid to facilitate transportation and storage. A typical LNG supply chain...

• Last update : 2023/06/23
• Langues : French, English
• Themes : LNG and LPG

Hydrocarbon refrigerants

Hydrocarbons such as R290 (propane), R600a (isobutane) or R1270 (propene/propylene) are low GWP non-toxic natural refrigerants with excellent thermodynamic properties. They offer an...

• Last update : 2022/06/22
• Langues : French, English
• Themes : Hydrocarbons, Containment, refrigerant charge reduction

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)

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

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

Ice cream manufacturing, environmental impact and market data

From a physico-chemical point of view, ice cream is a complex, frozen multiphase mixture. The manufacturing process includes several stages of freezing which are described in this...

• Last update : 2023/06/30
• Langues : French, English
• Themes : Ice creams

Environmental impact of the ice cream industry

This summary document describes the environmental impact of ice cream manufacturing, which is mainly due to the energy consumption and refrigerants used.

• Last update : 2022/11/17
• Langues : French, English
• Themes : General information on environment (climate change, ozone depletion…)

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

Additive manufacturing of heat exchangers

In the refrigeration industry, additive manufacturing (colloquially referred to as “3D printing”) makes it possible to fabricate novel, complex and potentially more energy efficient...

• Last update : 2022/09/07
• Langues : French, English
• Themes : Evaporators, condensers and other heat exchangers

Nanorefrigerants

Nanorefrigerants are created by adding nanoparticles in suspension to a base refrigerant. They have a thermal conductivity that is 15% to 104% higher than that of the corresponding...

• Last update : 2022/06/17
• Langues : English, French
• Themes : Nanofluids