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IIR document

Experimental performance of avocado seed oil as a bio-based phase change material for refrigeration applications.

• Author(s) : MARTINEZ-GORDON R., GUERRERO V. H., CHICO-PROANO A.
• Publication date: 2024/12
• Languages : English
• Keywords : PCM, Avocado, Oil, Thermal energy storage, Temperature, Expérimentation
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 168
• Formats : PDF

Performance analysis of new oil-free scroll compressor.

• Author(s) : PENG B., ZHAO S., LI Y.
• Publication date: 2017/07/20
• Languages : English
• Keywords : Performance, Modelling, Oil free compressor, Scroll compressor
• Source: 8th international conference on compressors and refrigeration, 2017.
• Formats : PDF

Part load efficiency benefit of oil-free centrifugal compressors.

• Author(s) : ALVARES J.
• Publication date: 2015/01
• Languages : English
• Keywords : Comparison, Chiller, Energy efficiency, Oil free compressor, Centrifugal compressor
• Source: Air Conditioning and Refrigeration Journal - vol. 18 - n. 1
• Formats : PDF

Small-scale and oil-free turbocompressor for refrigeration applications.

• Author(s) : SCHIFFMANN J.
• Publication date: 2014/07/14
• Languages : English
• Keywords : Household application, Heat pump, Performance, Expérimentation, Oil free compressor, Compressor
• Source: 2014 Purdue Conferences. 22nd International Compressor Engineering Conference at Purdue.
• Formats : PDF

Pure refrigerant lubrication technology in oil-free centrifugal compressors.

• Author(s) : MORALES-ESPEJEL G. E., HAULEITNER R., WALLIN H. H.
• Publication date: 2017/07/20
• Languages : English
• Keywords : Building, Lubrication, Chiller, Simulation, Air conditioning, Oil free compressor, Centrifugal compressor
• Source: 8th international conference on compressors and refrigeration, 2017.
• Formats : PDF

Recommended by the IIR / IIR document

Experimental study of an oil-free swing vane compressor.

• Author(s) : HENG K. R., OOI K. T., CHAN W. K.
• Publication date: 2022/02
• Languages : English
• Keywords : Vane compressor, Expérimentation, Prototype, Oil free compressor, Testing, Rotary compressor, R134a, COP
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 134
• Formats : PDF

Air cooling analysis for oil-free CO2 reciprocating compressor.

• Author(s) : CHEN D. X.
• Publication date: 2018/07/09
• Languages : English
• Keywords : CFD, Temperature, Cooling, R744, Air, Cylinder, Oil free compressor, Reciprocating compressor, CO2
• Source: 2018 Purdue Conferences. 24^th International Compressor Engineering Conference at Purdue.
• Formats : PDF

IIR document

Optimal operational efficiency of chillers using oil-free centrifugal compressors.

• Author(s) : LISSANDRIN M., RAMPAZZO M., CECCHINATO L., et al.
• Publication date: 2017/10
• Languages : English
• Keywords : Variable speed, Efficiency, Chiller, Optimization, Model, Oil free compressor, Centrifugal compressor
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 82
• Formats : PDF

Community heat pump systems utilizing oil-free compressor technology.

• Author(s) : TURNER D., ZIVIANI D.
• Publication date: 2021/05/24
• Languages : English
• Keywords : District heating, Smart grid, Oil free compressor, Heat pump, Design, Optimization, Heat recovery
• Source: 2021 Purdue Conferences. 6^th International High Performance Buildings Conference at Purdue.
• Formats : PDF

IIR document

Comparison between a crank-drive reciprocating compressor and a novel oil-free linear compressor.

• Author(s) : LIANG K., STONE R., HANCOCK W., et al.
• Publication date: 2014/09
• Languages : English
• Keywords : Comparison, Performance, Engine, Oil free compressor, Reciprocating compressor
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 45
• Formats : PDF

A thermodynamic chamber modelling approach for oil free and oil injected twin screw compressors.

• Author(s) : RAMCHANDRAN G., HARRISON J.
• Publication date: 2021/09
• Languages : English
• Keywords : Modelling, Oil free compressor, Screw compressor, Thermodynamic property, Case study, Oil, Injection
• Source: 12^th International Conference on Compressors and their Systems
• Formats : PDF

IIR document

Performance of an oil-free linear compressor using R1234yf.

• Author(s) : LI Z., LIANG K.
• Publication date: 2018/09
• Languages : English
• Keywords : R1234yf, Clearance, Linear compressor, Household refrigerator, Performance, Modelling, Pressure, HFO, Frequency, Oil free compressor
• Source: 1^st IIR international conference on the application of HFO refrigerants, Birmingham, September 2-5 2018.
• Formats : PDF

IIR document

Performance of an oil-free linear compressor using R1234yf.

• Author(s) : LI Z., LIANG K.
• Publication date: 2018/09
• Languages : English
• Keywords : R1234yf, Clearance, Linear compressor, Household refrigerator, Performance, Modelling, Pressure, HFO, Frequency, Oil free compressor
• Source: 1^st IIR international conference on the application of HFO refrigerants, Birmingham, September 2-5 2018.
• Formats : PDF

Small, high-speed, oil-free radial turbo-compressors for cooling applications: refrigerant selection.

• Author(s) : KONTOMARIS K. K., ARPAGAUS C., BERTSCH S. S., et al.
• Publication date: 2018/07/09
• Languages : English
• Keywords : Generality, Bearing, Cooling capacity, COP, Refrigerant, Oil free compressor, Centrifugal compressor
• Source: 2018 Purdue Conferences. 24^th International Compressor Engineering Conference at Purdue.
• Formats : PDF

IIR document

Sensor-less position detection of oil-free linear compressor for refrigeration.

• Author(s) : JIANG H., LIANG K., LI Z.
• Publication date: 2019/08/24
• Languages : English
• Keywords : Linear compressor, Resonance, Cooling capacity, Coil, Piston, Flux, Expérimentation, Oil free compressor
• Source: Proceedings of the 25^th IIR International Congress of Refrigeration: Montréal , Canada, August 24-30, 2019.
• Formats : PDF

Refrigeration innovations for the avocado market

The booming global avocado market calls for increasing standards of quality. Refrigeration technologies offer cutting-edge solutions for fruit ripening and seed preservation for future crops.

• Publication date : 2020/10/22

Cold storage of evergreen seedlings affected by global warming

Due to global warming, conifer seedlings are more often exposed to desiccation during snow-free winters. Overwinter cold storage allows to improve their survival, provided that...

• Publication date : 2022/05/23
• Subjects: Technology, Environment

Cryogenics 2021 highlights: applications of liquid nitrogen

Cryopreservation of biological materials to favour biodiversity and cooling of superconducting cables to allow transmission of electrical energy with zero resistance are key applications of liquid...

• Publication date : 2022/01/28

Use of chillers in cannabis greenhouses

The legalisation of medical cannabis in several states in the US involves the development of new techniques to manage temperatures while reducing production costs.

• Publication date : 2020/02/06

Changes in the use of cryogenic propellants in space

Near-term exploration beyond low Earth orbit will require the use of cryogenic propellants and in-space cryogenic propellant storage durations will exceed our current capabilities by at least two orders of magnitude. This will require the...

• Publication date : 2012/09/17

Pharmaceutical cold chain logistics in Fujian province of China

According to the Department of Commerce of Fujian Province, current sales of refrigerated medicines in Fujian have exceeded RMB 8 billion (USD 1.2 billion), accounting for 25% of overall drug sales.

• Publication date : 2016/07/12

China household refrigerator & freezer market.

The market size exceeded USD 32.7 billion in 2012, a growth of over 15% on a year-on-year basis.

• Publication date : 2014/02/25
• Subjects: Figures, economy

The global frozen fish and seafood market

Global frozen fish and seafood market to exceed USD 60 billion by 2020, growing at a Compound Annual Growth Rate (CAGR) of over 4%.

• Publication date : 2016/08/11
• Subjects: Figures, economy

The global HVAC equipment market

The global HVAC equipment market is expected to exceed USD 139 billion by 2018, growing at a compound annual growth rate (CAGR) of 8.9% from 2012 to 2018.

• Publication date : 2013/10/28
• Subjects: Figures, economy

IIR GL2020 conference: Range of CO2 applications

Almost half of the presentations at the IIR Gustav Lorentzen conference in Kyoto focused on CO2, in commercial refrigeration systems but also in many other applications. Overview of these...

• Publication date : 2021/01/26
• Subjects: HFCs alternatives

ICR2007: CO2 in the limelight

Among the 876 papers presented at the IIR International Congress of Refrigeration in Beijing, 82 were on CO2 as a refrigerant or secondary fluid. Many dealt with new components for CO2, the lack of such components being currently still one of the...

• Publication date : 2007/11/20

High efficiency, low carbon supermarket refrigeration

This paper was presented at the IIR Gustav Lorentzen Conference in Glasgow (Sep. 2004). A new but simple high efficiency refrigeration system design suitable for use in supermarkets has been developed based on standard components so that...

• Publication date : 2004/11/24

Charge minimization in hydrocarbon systems

This paper was presented at the IIR Gustav Lorentzen Conference in Glasgow (Sep. 2004). It presents the results of the project to minimize charge in a R290 system that has 1-1.5 kW refrigeration capacity. Currently, there are many guidelines...

• Publication date : 2004/11/24

Frost detection and defrosting methods: latest advances

A recent Purdue conference paper presents the state of the art regarding methods for retarding the onset of frosting, frost detection techniques and defrosting strategies, including those based on artificial...

• Publication date : 2023/02/21

A low charge direct expansion evaporator system configured to use less ammonia

A US-based meat processor operates a cold storage facility that uses just 1 kg approx ammonia per kW.

• Publication date : 2018/05/17

Now available: ICCC 2018 conference papers and proceedings

Couldn't attend the 5th IIR Conference on Sustainability and the Cold Chain (ICCC 2018) in Beijing, China, last month? Download the conference proceedings and papers.

• Publication date : 2018/05/18

Now available : 2023 IIR Congress proceedings

Download your copy of the ICR 2023 proceedings. IIR members can download them at reduced rate.

• Publication date : 2023/10/24

Now available: IIR Congress papers 2019

Download your copy of the ICR 2019 proceedings. Over 630 technical papers are available!

• Publication date : 2020/05/05

Now available: IIR-Gustav Lorentzen Conference Papers

Download your copy of the proceedings of the 14th Gustav Lorentzen Conference on Natural Refrigerants. Over 120 technical papers are available!

• Publication date : 2021/01/19
• Subjects: Environment, Technology

Now available: ICR2015 congress papers

Following on from the successful IIR International Congress of Refrigeration (ICR2015), the long anticipated papers and proceedings are now available to download in Fridoc.

• Publication date : 2015/12/09

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

New publications: The CD-ROM proceedings of the Vicenza IIR Conferences

The CD-ROM proceedings of the Vicenza IIR Conferences on 1) Commercial Refrigeration and 2) Thermophysical Properties and Transfer Processes of Refrigerants are on sale. They comprise 134 papers. Main topics: 1) display cabinets, energy simulation...

• Publication date : 2006/01/28

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

Highlights: 10th IIR Conference on Compressors and Refrigerants

Catch up on the best moments of the IIR Conference on Compressors 2021, which took place online on January 13, 2021: A key meeting place for specialists in compressor technology!

• Publication date : 2021/01/25
• Subjects: Technology

IIR Member news: Star Refrigeration installs ammonia chillers in an indoor skiing facility

After 90 years of existence, indoor skiing now uses modern and energy efficient technologies. Star Refrigeration participates in this evolution with its ammonia chillers.

• Publication date : 2018/12/27

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

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

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)

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

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

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