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Virtual sensor of insufficient lubrication in variable speed compressors.
- Author(s) : OSSORIO R., NAVARRO-PERIS E., LÓPEZ-NAVARRO A.
- Publication date: 2022/04
- Languages : English
- Keywords : Compressor, Variable speed, Lubricant, Polyolester, Propane, R290, Sensor, Lubrication, Expérimentation, Oil
- Source: XI Congreso Ibérico y IX Congreso Iberoamericano de Ciencias y Técnicas del Frío, CYTEF 2022.
- Formats : PDF
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Lubrication and lubricant development considerations for low global warming potential (GWP) refrigerants.
- Author(s) : MAJURIN J. A., BARTHEL A.
- Publication date: 2018/09
- Languages : English
- Keywords : Viscosity, Solubility, R134a, Comparison, Lubrication, Low GWP, R1234ze(E), Substitute, Stability
- Source: 1^st IIR international conference on the application of HFO refrigerants, Birmingham, September 2-5 2018.
- Formats : PDF
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Prediction of lubricant viscosity from nonequilibrium molecular dynamics simulation.
- Author(s) : LIN L., KEDZIERSKI M.
- Publication date: 2021/05
- Languages : English
- Keywords : Lubricant, Viscosity, Simulation, Polyolester, Temperature, Pressure
- Source: 2021 Purdue Conferences. 18^thInternational Refrigeration and Air-Conditioning Conference at Purdue.
- Formats : PDF
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Optimizing lubricants for hydrocarbon refrigerant applications.
- Author(s) : KARNAZ J., SEETON C., DIXON L.
- Publication date: 2018/06/18
- Languages : English
- Keywords : Lubricant, Optimization, Hydrocarbon, Oil, Expérimentation, Refrigerant, Compressor
- Source: 13^th IIR Gustav Lorentzen Conference on Natural Refrigerants (GL2018). Proceedings. Valencia, Spain, June 18-20th 2018.
- Formats : PDF
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Lubrification des compresseurs frigorifiques : présent et avenir. 2.

Lubrication of refrigeration compressors: present and future. 2.
- Author(s) : CLAIRÉ J. Y., DELAFARGUE G.
- Publication date: 2014/07
- Languages : French
- Keywords : Solubility, Lubrication, Recommendation, Miscibility, Mineral oil, Synthetic oil, Compressor
- Source: Revue générale du Froid & du Conditionnement d'air - vol. 103 - n. 1145
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Development of PVE refrigeration lubricants for R32.
- Author(s) : MATSUMOTO T., KANEKO M., KAWAGUCHI Y.
- Publication date: 2014/07/14
- Languages : English
- Keywords : R410A, Lubricant, R32, Physical property, Stability, Expérimentation, Refrigerant
- Source: 2014 Purdue Conferences. 15th International Refrigeration and Air-Conditioning Conference at Purdue.
- Formats : PDF
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On the lubricant pathway in rotary compressors.
- Author(s) : WU P., CHEN J., SOJKA P. E., LI Y., CAO H.
- Publication date: 2022
- Languages : English
- Keywords : Lubricant, Rotary compressor, Split system, Air conditioning, Droplet, Expérimentation
- Source: 2022 Purdue Conferences. 19^th International Refrigeration and Air-Conditioning Conference at Purdue.
- Formats : PDF
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Rolling bearings lubricated with refrigerant.
- Author(s) : HAULEITNER R., MORALES-ESPEJEL G. E., MEEUWENOORD R., et al.
- Publication date: 2018/07/09
- Languages : English
- Keywords : Vapour pressure, Test rig, R134a, Lubrication, Bearing, R1234ze, R1233zd(E), Compressor
- Source: 2018 Purdue Conferences. 24^thInternational Compressor Engineering Conference at Purdue.
- Formats : PDF
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Hydrodynamic lubrication analysis of eccentric bearing in rotary compressor.
- Author(s) : ZHOU X., JIANG B., LIANG S.
- Publication date: 2014/07/14
- Languages : English
- Keywords : Friction, Lubrication, Efficiency, Bearing, Expérimentation, Rotary compressor
- Source: 2014 Purdue Conferences. 22nd International Compressor Engineering Conference at Purdue.
- Formats : PDF
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POE lubricant candidates for low GWP Refrigerants.
- Author(s) : CHEN Y. K., HUNG J-T., TANG H-H., et al.
- Publication date: 2016/07/11
- Languages : English
- Keywords : Solubility, Polyolester, Lubricant, Low GWP, Miscibility, HFO, Refrigerant
- Source: 2016 Purdue Conferences. 16th International Refrigeration and Air-Conditioning Conference at Purdue.
- Formats : PDF
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Making the right refrigerant lubricant choices.
- Author(s) : KARNAZ J., KULTGEN D.
- Publication date: 2015/08/16
- Languages : English
- Keywords : Lubricant, Performance, Testing, Refrigerant, Compressor
- Source: Proceedings of the 24th IIR International Congress of Refrigeration: Yokohama, Japan, August 16-22, 2015.
- Formats : PDF
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L'alliance des fluides à faible GWP et des lubrifiants.

Mixing low GWP refrigerants with lubricants.
- Author(s) : BEATTIE R. J., KARNAZ J. A.
- Publication date: 2015/11
- Languages : French
- Keywords : Solubility, Generality, Lubricant, Miscibility, GWP, Energy efficiency, Refrigerant
- Source: Revue générale du Froid & du Conditionnement d'air - vol. 104 - n. 1154
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Lubrification des compresseurs frigorifiques : présent et avenir. 1.

Lubrication of refrigeration compressors: present and future. 1.
- Author(s) : CLAIRÉ J. Y., DELAFARGUE G.
- Publication date: 2014/06
- Languages : French
- Keywords : Solubility, Generality, Lubricant, Miscibility, Mineral oil, Refrigerant, Compressor
- Source: Revue générale du Froid & du Conditionnement d'air - vol. 103 - n. 1144
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Evaluation of lubricant properties and refrigerant interaction.
- Author(s) : KARNAZ J., SEETON C.
- Publication date: 2018/07/09
- Languages : English
- Keywords : Solubility, Lubricant, Low GWP, Review, Stability, Electric property, Miscibility, Refrigerant, Compressor, Compatibility
- Source: 2018 Purdue Conferences. 24^thInternational Compressor Engineering Conference at Purdue.
- Formats : PDF
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The effect of lubricant in HFC & HFO blend refrigerants.
- Author(s) : CHEN Y. K., HUNG J-T., TANG H-H., et al.
- Publication date: 2018/07/09
- Languages : English
- Keywords : Solubility, Lubricant, Miscibility, Mixture, HFO, HFC, Testing, Compressor
- Source: 2018 Purdue Conferences. 17^th International Refrigeration and Air-Conditioning Conference at Purdue.
- Formats : PDF
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See all results in the Fridoc database

Evaluating lubricants for lower GWP refrigerant compressor operation.

Summary of an interesting paper from the recent Purdue conference.
- Publication date : 2017/03/06
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Chillers: efficiency takes off

Chillers are key refrigerating systems since, according to the Department of Energy, in the US, they account for about 13% of the power consumed by the nation's buildings and 9% of the overall demand for electric power. Examples below illustrate...
- Publication date : 2008/10/25
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ICR 2019: an overview of current refrigeration research (part I)

Presentation of the main scientific and technical topics covered in the papers of the 25th IIR International Congress of Refrigeration and summary of some of the 14 keynotes.
- Publication date : 2019/09/30
- Subjects: HFCs alternatives
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The global HVAC refrigerant market 2016-2020

The global HVAC refrigerant market to grow at a Compound Annual Growth Rate (CAGR) of 6.35% during the period 2016-2020.
- Publication date : 2016/07/01
- Subjects: Figures, economy
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A promising future for nanorefrigerants

A review article published in the IJR highlights the remarkable heat transfer properties of nanorefrigerants, which are leading to significant improvements in the performance of refrigeration systems.
- Publication date : 2018/05/17
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Road to COP28. Energy efficiency and recovery of refrigerants

“Sustainability must refer to energy efficiency and circularity”, says Dr Laura Fedele, IIR expert.
- Publication date : 2023/04/26
- Subjects: General information, Technology
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Road to COP28. Extending the temperature range and application for heat pumps

To promote decarbonation, “high temperature heat pumps should be designed using waste heat and renewables as a driving energy, and environmentally friendly working fluids”, according...
- Publication date : 2023/05/30
- Subjects: Technology
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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
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Refrigerant news: New Blend

A new blend of R32, R125 and R134a from Honeywell has received the designation of R-407F from ASHRAE and has been rated A1, indicating it has a low toxicity and is non flammable. It is seen as a viable replacement for R22 in medium- and low-...
- Publication date : 2011/02/07
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Natural refrigerants in emerging countries: GTZ

Within the International Climate Initiative, the Deutsche Gesellschaft für Technische Zusammenarbeit (GTZ) is implementing a project aiming to introduce R290 (propane) room air-conditioning systems in China in order to replace HCFC-22. Endowed...
- Publication date : 2010/03/07
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Valuable publications: Refrigeration Fundamentals

Refrigeration Fundamentals: this IIR course deals with refrigeration fundamentals, components of refrigeration plants, the refrigerants and lubricants used, and control systems. It is an attractive and valuable teaching tool that technicians and...
- Publication date : 2009/05/18
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Conference update: Sydney

The 9th IIR Gustav Lorentzen Conference Natural Working Fluids will be held in Sydney, Australia, on April 12-14, 2010. The call for papers and first announcement are now available:
- Publication date : 2009/05/18
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New IIR conference on the application of HFO Refrigerants

From September 2 to 5, 2018 in Birmingham (UK), the Institute of Refrigeration (IOR) will host the inaugural IIR International Conference on the application of HFO Refrigerants.
- Publication date : 2017/09/05
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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 : English, French
- Themes : Hydrocarbons, Containment, refrigerant charge reduction
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IIR event

16^th IIR-Gustav Lorentzen Conference on Natural Refrigerants

August 11, 2024 - August 14, 2024

College Park, United States

Register today! With the increasing need for global warming countermeasures, natural working fluids have become a clear vector to reducing the CO2 footprint of the refrigeration, and...

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