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IIR document

Volumetric design for ORC-VCC compressor-expander units.

• Author(s) : MARION M., LOUAHLIA H.
• Publication date: 2021/12
• Languages : English
• Keywords : Compressor, Performance, Organic Rankine cycle, Vapour, Cooling capacity, Pump, Modelling
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 132
• Formats : PDF

IIR document

Effect of subcooling using expander-compressor unit in transcritical CO2.

• Author(s) : GURUCHETHAN A. M., MAIYA M. P., HAFNER A.
• Publication date: 2022/06/13
• Languages : English
• Source: 15^th IIR-Gustav Lorentzen Conference on Natural Refrigerants (GL2022). Proceedings. Trondheim, Norway, June 13-15^th 2022.
• Formats : PDF

High energy efficiency solution for condensing units fitted with DC compressors.

• Author(s) : TONIN G.
• Publication date: 2015/06/12
• Languages : English
• Keywords : Regulations, Refrigerating system, Economy, Supermarket, Energy efficiency, Compressor
• Source: Le ultime tecnologie del freddo e del condizionamento. Atti del 16° Convegno Europeo: June 12-13, 2015, Milano, Italia.
• Formats : PDF

Diesel driven compressor torque pulse measurement in a transport refrigeration unit.

• Author(s) : MA Y. C., KLEINBOEHL C., SJOHOLM L., et al.
• Publication date: 2014/07/14
• Languages : English
• Keywords : Speed (machines), Measurement, Refrigerated transport, Discharge, Engine, Pressure, Diesel, Compressor
• Source: 2014 Purdue Conferences. 22nd International Compressor Engineering Conference at Purdue.
• Formats : PDF

Numerical simulation of aerodynamic noise of soundproof enclosure of air compressor unit.

• Author(s) : CUI Y., HE D., WU H., et al.
• Publication date: 2018/07/09
• Languages : English
• Keywords : Noise, Air flow, Aerodynamics, Prediction, Modelling, Soundproofing, Screw compressor
• Source: 2018 Purdue Conferences. 24^th International Compressor Engineering Conference at Purdue.
• Formats : PDF

Selection of twin screw compressor economizer port location to optimize unit efficiency.

• Author(s) : WILLIAMS T., CAMBIO M.
• Publication date: 2021/05
• Languages : English
• Keywords : Screw compressor, Chiller, Energy efficiency, COP, Optimization, Economizer
• Source: 2021 Purdue Conferences. 25^th International Compressor Engineering Conference at Purdue.
• Formats : PDF

Analysis and control of gas pulsation in the multi-unit compressor system.

• Author(s) : WANG W., YANG L., JIA X., et al.
• Publication date: 2017/07/20
• Languages : English
• Keywords : Resonator, Pulsation, Gas, Comparison, Volume, Compression system, Simulation, Compressor
• Source: 8th international conference on compressors and refrigeration, 2017.
• Formats : PDF

Experimental investigation of a scroll unit used as a compressor and as an expander in a reversible heat pump/ORC unit.

• Author(s) : DUMONT O., QUOILIN S., LEMORT V.
• Publication date: 2014/07/14
• Languages : English
• Keywords : Rankine, R134a, Organic Rankine cycle, Reversibility, Scroll, Heat pump, Performance, Expander, Expérimentation, Cycle, Refrigerant, Compressor
• Source: 2014 Purdue Conferences. 15th International Refrigeration and Air-Conditioning Conference at Purdue.
• Formats : PDF

Horizontal revolving piston rotary compressor with stationary crankshaft for combine condenser/generator unit.

• Author(s) : DREIMAN N.
• Publication date: 2018/07/09
• Languages : English
• Keywords : Generator, Crankshaft, Design, Piston, Air conditioning, Condenser, Rotary compressor
• Source: 2018 Purdue Conferences. 24^th International Compressor Engineering Conference at Purdue.
• Formats : PDF

Impact of high-efficiency and variable-speed motors on the performance of a residential split-system air conditioning system.

• Author(s) : BREHM J. K., RADITSCH F. R., HEPPERLA R., ZIVIANI D., GROLL E. A.
• Publication date: 2022
• Languages : English
• Keywords : Air conditioning, Split system, Variable speed, Domestic heat pump, Seasonal performance, COP, Compressor unit, Testing, Expérimentation
• Source: 2022 Purdue Conferences. 19^th International Refrigeration and Air-Conditioning Conference at Purdue.
• Formats : PDF

Introduction of the novel cross vane expander compressor unit for vapour compression cycle.

• Author(s) : YAP K. S., OOI K. T., CHAKRABORTY A.
• Publication date: 2014/07/14
• Languages : English
• Keywords : Operation, Comparison, Mechanical vapour compression, Design, Expander, COP, Compressor
• Source: 2014 Purdue Conferences. 22nd International Compressor Engineering Conference at Purdue.
• Formats : PDF

Compressor speed, expansion valve opening and refrigerant charge influences on the propane unit design.

• Author(s) : JANKOVIC Z., PAVKOVIC B., SIERES J., ZIVIC M.
• Publication date: 2022
• Languages : English
• Keywords : Refrigerant charge, Propane, Case study, Simulation, Expansion valve, Calculation, Reciprocating compressor, Semihermetic compressor, Chiller
• Source: 2022 Purdue Conferences. 19^th International Refrigeration and Air-Conditioning Conference at Purdue.
• Formats : PDF

Lubrication management of a reversible compressor-expander-unit in a combined HP-ORC-plant.

• Author(s) : STEGER D., ZWIEFLER M., SCHLÜCKER E.
• Publication date: 2021/08/31
• Languages : English
• Keywords : Organic Rankine cycle, Thermal energy storage, Heat pump, CFD, Simulation, Design, Lubrication, Compressor, Expander
• Source: 13^th IEA Heat Pump Conference 2021: Heat Pumps – Mission for the Green World. Conference proceedings [full papers]
• Formats : PDF

IIR document

Failure analysis of condensing units for refrigerators with refrigerant R134a, R404A.

• Author(s) : BOGDANOVSKA G., MOLNAR V., FEDORKO G.
• Publication date: 2019/04
• Languages : English
• Keywords : R134a, Fan, Condensing unit, R404A, Valve (compressor), Reliability, Expérimentation, Condenser, Compressor
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 100
• Formats : PDF

IIR document

A novel unibody axial flow pump for the lubrication of inverter type hermetic reciprocating compressors.

• Author(s) : SHAHZAD A., PASHAK P., LAZOGLU I.
• Publication date: 2022/08
• Languages : English
• Keywords : Reciprocating compressor, Hermetic compressor, Packaged unit, Pump, Lubrication, Oil, CFD, Simulation
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 140
• Formats : PDF

World refrigerating compressor market gets the green light

According to JARN, global demand for all types of refrigerating compressors increased substantially in 2017 compared to 2016. In particular, the global rotary compressor market amounted to 188.1 million units, showing 31.3% year-on-year growth in...

• Publication date : 2018/04/19

Chinese demand for air conditioners and refrigerators will continue to grow

According to the China Refrigerant Compressor Industry Report, 2013-2016 released by Sino Market Insight, till 2016, Chinese demand for air conditioners and refrigerators will reach 124 million units and 113 million units respectively.

• Publication date : 2013/08/20
• Subjects: Figures, economy

IIR member news: Carrier Transicold engineless system for refrigerated trucks

IIR corporate member Carrier Transicold provides an environmentally friendly system that avoids the use of a second engine to power the refrigeration compressor of reefer units.

• Publication date : 2017/09/11

Trends: compressors

- Global compressor sales JARN has published an extensive overview of compressor markets in 2009. On the whole, the compressor market has suffered from the decrease in the air-conditioning market (-2.9% compared with 2008). Sales of rotary...

• Publication date : 2010/05/27

World AC and compressor trends

In its recent report, JARN estimates that the HVAC&R market in 2006 was about 66 billion USD and about half of sales were air conditioners and related products. - Regarding the AC market, China, the US, Japan and major European countries make...

• Publication date : 2007/05/04

IIR Member news: Star Refrigeration come to the rescue to clean up an ammonia leak

The British industrial refrigeration engineering company recently conducted a maintenance operation at an ASDA refrigeration plant using ammonia as a refrigerant.

• Publication date : 2018/04/19

Scroll compressors offer top efficiency

Scroll compressors offer top efficiency The Taiwan-based compressor manufacturer ChynTec International Co. Ltd. published an article earlier this year offering a synthetic comparison of the general performance of reciprocating, scroll and screw...

• Publication date : 2005/12/22

Trends

- The worldwide market for air conditioning was estimated by BSRIA as being 34 billion USD in 2001 and was forecast to reach 39 billion USD in 2004. The Freedonia Group predicts a rise to 56 billion USD by 2008. Fastest growth will occur in the...

• Publication date : 2005/02/11

Development and evaluation of a reversible CO2 residential air conditioning system compared to a state-of-the art R410a unit

This paper was presented at the IIR Gustav Lorentzen Conference in Glasgow (Sep. 2004). A reversible CO2 prototype RAC split unit system was designed, built and installed in two calorimetric test chambers. The unit is based on the Lorentzen Cycle...

• Publication date : 2004/11/24

Briefs: Automobile air conditioning in China

Germany-based Behr GmbH & Co., Shanghai Automotive Co. Ltd. in China and Sanden Corporation in Japan have set up a joint venture (called Shanghai Sanden Behr) to develop, manufacture and market refrigerant compressors for cars and trucks....

• Publication date : 2004/04/28

CO2 supermarkets: CAREL

CAREL and the French hypermarket chain Carrefour have joined forces to develop the first subcritical CO2 plant in a supermarket in Turkey. The Istanbul installation uses a cascade system that supplies the low-temperature units with R744. To...

• Publication date : 2010/05/27

Briefs: First MAC system using an ejector

Denso Corporation has developed the world's first passenger mobile air-conditioning system that uses ejector technology. The ejector, which is a small refrigerant injector, was installed on the new Prius introduced by Toyota in May 2009. According...

• Publication date : 2009/08/13

The French air-conditioning market is growing significantly

According to Clim'info, in France, sales of individual air conditioners (with capacities below 17.5 kW) have undergone a very strong progression - about 40% - in 2003 compared with 2002. Sales of small mobile units, in particular, have benefited...

• Publication date : 2004/07/15

The global refrigeration compressor market

Bien que pénalisé par la pandémie de Covid-19 qui a fortement impacté le secteur du conditionnement d’air, le marché des compresseurs a progressé dans certains domaines tels que la chaîne du froid, l’industrie...

• Publication date : 2021/04/29
• Subjects: Figures, economy

Air conditioning

- Domestic and export sales of Chinese air conditioners set new records in the 2004 refrigeration year (September 2003-August 2004). Sales on the domestic market reached 26 million units and exports reached 25 million units. Export sales were up...

• Publication date : 2005/07/19

IIR member news: A new BSRIA study on the global compressor market 

A recent study by BSRIA shows that sales of refrigeration compressors in 2022 are expected to reach 502 million units with a value of USD 48.6 billion, up 15% year-on-year. 

• Publication date : 2022/12/13
• Subjects: Figures, economy

News from IIR members: Tecumseh do Brasil

Tecumseh do Brasil has reached a landmark of 170 million compressors manufactured since the company was set up 35 years ago. The company manufactures hermetic compressors and condensing units for domestic and commercial refrigeration and air...

• Publication date : 2009/05/18

News from IIR members: Mayekawa

Mayekawa has supplied 6 Pascal Air units to Fukazawa Reizo's refrigerated fish warehouse in Yaizu, Japan. The Pascal Air units were launched recently and comprise a turbo-type expander, a compressor, a primary cooler and a heat recovery heat...

• Publication date : 2010/05/27

Conference update: Ohrid

The 3rd IIR event in a series, Ammonia Refrigeration Technology was held on May 7-9, 2009, in Ohrid, Macedonia. With 95 participants from 24 countries and 32 papers presented, the event was very successful. A key focus of this series of...

• Publication date : 2009/05/27

City, University of London organises its 11th Conference on Compressors

Organized biennially by City, University of London, the 11th International Conference on Compressors and their Systems took place on September 9-11, 2019.

• Publication date : 2019/09/30

News from IIR members: Danfoss

Danfoss won the 2009 AHR Exposition Refrigeration Innovation Award. The honoured product is a newly developed energy-saving variable frequency drive for compressors, pumps, and fans. In refrigeration applications, the AKD 102 constantly matches...

• Publication date : 2009/05/18

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

ICR2007 in Beijing

The International Institute of Refrigeration (IIR) holds Congresses every 4 years. They have two objectives: - a scientific objective: apart from the numerous IIR and IIR-co-sponsored conferences (about 50 over a 4-year period), which are focused...

• Publication date : 2007/11/20

ICR 2011 in Prague: a Resounding Success

The 23rd IIR International Congress of Refrigeration held in Prague, on August 21-26, 2011, was highly successful...

• Publication date : 2011/08/30

IIR member news: Embraco

Embraco, IIR Corporate Member, announced the launch of a new oil-less linear compressor design for domestic refrigeration.

• Publication date : 2014/04/27

IIR member news: Carrier Transicold

Quest II: container refrigeration with 65% less CO2 emission.

• Publication date : 2013/09/16

INDEE+ Project: Norwegian R744 condensing units arrived in India for educational purposes

Three R744 condensing units were sent to India by Prof. Armin Hafner (NTNU, Norway)  to educate Indian institutions, end-users and vendors on clean cooling technologies, with the aim of helping India meet...

• Publication date : 2021/12/15

What’s on the IIR’s 2024 conference calendar?

The IIR calendar for 2024 features a promising choice of events covering cutting-edge refrigeration themes such as the cold chain, natural refrigerants, compressor technologies and much more! 

• Publication date : 2023/06/28

New IIR Informatory Note: Advancements in Supermarket Refrigeration

Download your copy of the latest IIR Informatory Note on “Advancements in Supermarket Refrigeration”

• Publication date : 2018/04/04

News from IIR members: Danfoss

Danfoss was chosen by Sainsbury’s and Netto to facilitate the conversion of their stores to CO2 as part of their ambition to drastically reduce greenhouse gas (GHG) emissions. Danfoss has 10 years’ experience in the...

• Publication date : 2011/08/04

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 : English, French
• Themes : LNG and LPG