Search results

IIR document

Dynamic characteristics improvement of the single screw compressor with odd-grooves screw rotor.

• Author(s) : PENG C., WU W., ZHANG Z., XIE J., FENG Q., HE Z.
• Publication date: 2021/12
• Languages : English
• Keywords : Screw compressor, Optimization, Rotor, Groove, Modelling
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 132
• Formats : PDF

Study on screw rotor thermal machining method of single screw compressor.

• Author(s) : WANG S. Y., WANG Z. L., SHI H. W., WANG Z. M., HAO M. M., WANG J.
• Publication date: 2021/09
• Languages : English
• Keywords : Screw compressor, Modelling, High temperature, Heat pump, Geometry, Deformation
• Source: 12^th International Conference on Compressors and their Systems
• Formats : PDF

Modelling of multiphase twin screw machines.

• Author(s) : KOVACEVIC A., RANE S.
• Publication date: 2017/07/20
• Languages : English
• Keywords : CFD, Simulation, Performance, Oil, Leakage, Screw compressor
• Source: 8th international conference on compressors and refrigeration, 2017.
• Formats : PDF

IIR document

Geometrical aspects of novel internally geared screw machine.

• Author(s) : READ M., STOSIC N., SMITH I.
• Publication date: 2017/09/06
• Languages : English
• Keywords : Geometry, Rotor, Plate, Screw compressor
• Source: Compressors 2017: 9^th International Conference on Compressors and Coolants.
• Formats : PDF

Thermodynamic modeling of screw expander in a trilateral flash cycle.

• Author(s) : VASUTHEVAN H., BRÜMMER A.
• Publication date: 2016/07/11
• Languages : English
• Keywords : Thermodynamics, Screw, Modelling, Expander, Leakage
• Source: 2016 Purdue Conferences. 23^rd International Compressor Engineering Conference at Purdue.
• Formats : PDF

Recommended by the IIR / IIR document

Noise control of a twin-screw refrigeration compressor.

• Author(s) : HE Z., LI D., HAN Y., ZHOU M., XING Z., WANG X.
• Publication date: 2021/04
• Languages : English
• Keywords : Compressor, Screw compressor, Gas, Pulsation, Noise, Expérimentation
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 124
• Formats : PDF

Basic design procedure for an internally geared screw compressor.

• Author(s) : READ M.
• Publication date: 2021/09
• Languages : English
• Keywords : Screw compressor, Design, Rotor, Geometry, Calculation
• Source: 12^th International Conference on Compressors and their Systems
• Formats : PDF

Screw Compressors & Chillers - History of Development.

• Publication date: 2014/05
• Languages : English
• Keywords : Technology, Chiller, History, Development, Air conditioning, Screw compressor, Compressor
• Source: Air Conditioning and Refrigeration Journal - vol. 17 - n. 3
• Formats : PDF

CFD analysis of oil flooded twin screw compressors.

• Author(s) : RANE S., KOVACEVIC A., STOSIC N.
• Publication date: 2016/07/11
• Languages : English
• Keywords : CFD, Heat transfer, Performance, Modelling, Oil, Screw compressor
• Source: 2016 Purdue Conferences. 23^rd International Compressor Engineering Conference at Purdue.
• Formats : PDF

IIR document

Twin screw compressors for natural refrigerants.

• Author(s) : ZHAO Z., HOU F., CHEN W., et al.
• Publication date: 2014/08/02
• Languages : English
• Keywords : R600a, R744, Ammonia, R290, Review, Propane, Hydrocarbon, Water, Screw compressor, CO2
• Source: 11^th IIR Gustav Lorentzen Conference on Natural Refrigerants (GL2014). Proceedings. Hangzhou, China, August 31-September 2, 2014.
• Formats : PDF

CFD simulation of a twin screw expander including leakage flows.

• Author(s) : ANDRES R., HESSE J., BABIC H., et al.
• Publication date: 2016/07/11
• Languages : English
• Keywords : CFD, Screw, Simulation, Expander, Flow, Leakage
• Source: 2016 Purdue Conferences. 23^rd International Compressor Engineering Conference at Purdue.
• Formats : PDF

Parallel operation of screw compressor packs.

• Author(s) : PIJNENBURG B., RITMANN J.
• Publication date: 2017/07/20
• Languages : English
• Keywords : Industrial application, Efficiency, Control (automatic), R717, Reliability, Parallel flow, Screw compressor
• Source: 8th international conference on compressors and refrigeration, 2017.
• Formats : PDF

Effect of working medium on single screw refrigeration compressor performance.

• Author(s) : WANG Z. G., SHEN Y., WANG Z.
• Publication date: 2016/07/11
• Languages : English
• Keywords : Geometry, Performance, Modelling, Refrigerant, Screw compressor
• Source: 2016 Purdue Conferences. 23^rd International Compressor Engineering Conference at Purdue.
• Formats : PDF

Experimental investigation of screw compressor clearance monitoring techniques.

• Author(s) : TAM T., KOVACEVIC A., MILLIGAN W. J., SUN T., GRATTAN K. T. V., FABIAN M., PLANTEGENET T., PATEL B., BANDYOPADHYAY S.
• Publication date: 2022/07/15
• Languages : English
• Keywords : Oil free compressor, Screw compressor, Expérimentation, Sensor, Modelling, Clearance
• Source: 2022 Purdue Conferences. 26^th International Compressor Engineering Conference at Purdue.
• Formats : PDF

CFD approaches applied to a single-screw expander.

• Author(s) : ZIVIANI D., SUMAN A., GABRIELLONI J., et al.
• Publication date: 2016/07/11
• Languages : English
• Keywords : Rankine, Organic Rankine cycle, CFD, Screw, Simulation, Performance, Expander
• Source: 2016 Purdue Conferences. 23^rd International Compressor Engineering Conference at Purdue.
• Formats : PDF

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

New NIST screening method for refrigerants

Researchers from the US National Institute of Standards and Technology (NIST) developed a computational method to identify candidate low-GWP refrigerant fluids. The method identified 1234 promising low-GWP chemicals among 56 203 considered.

• Publication date : 2012/11/20

Ohrid conference highlights: ammonia refrigeration in China

Over 92% of Chinese cold stores have adopted ammonia as a refrigerant. Over 92% of Chinese cold stores have adopted ammonia as a refrigerant. According to Jianji Zhang, series reciprocating compressors are currently the most widely used due to...

• Publication date : 2013/08/21

Trends and Figures: Chiller market grows and diversifies

According to reports published during the 2008 AHR Expo held on January 22-24, 2008 in New York, the chiller market in 2006 was USD 2 billion in Asia-Pacific, USD 1.5 billion in Europe and USD 1 billion in the US. The growth (as compared to 2005)...

• Publication date : 2008/05/13

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

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

Marine refrigeration

The use of natural refrigerants is gradually spreading. Here are two examples of their use in the marine sector: - Environmentally-friendly fish transport American Freedom is one of the world's largest refrigerated ships and can hold up to...

• Publication date : 2007/11/20

Compressors: key trends

Over the past few years, the design and performance of rotary, reciprocating positive displacement and dynamic compressors have been greatly improved. CO2 compressors have conquered new niches and twin-screw compressors are now increasingly used...

• Publication date : 2005/10/26

Markets: Chillers

According to a recent market report by BSRIA, an estimated 200 400 units of chillers were shipped worldwide in 2004. The estimated number of centrifugal chillers was 8500 with the USA at the centre of production (3500 units equal to 41% of the...

• Publication date : 2006/01/28

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

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

Briefs: Largest distribution centre in Africa

The centre, built by Woolworths in Midrand, South Africa has a surface area of 72 000 m². The 2-stage refrigeration system uses 4.2 tons of ammonia. It operates at -9°C/+32°C on the low stage while the high-stage ammonia circuit is used to chill...

• Publication date : 2008/02/12

Briefs: Grenco Marine

Grenco Marine has developed the first ammonia/carbon dioxide cascade systems to be used on board fishing vessels. Experience with the Dirk-Dirk (a trawler with a capacity of 235 tons of fish/day) led to the development of a new defrosting process:...

• Publication date : 2006/07/26

Briefs: Magnetic-levitation bearing system

The world's first large tonnage magnetic-levitation bearing air-cooled chiller for air conditioning is being installed in the American Embassy in Tokyo. The 2520-kW chiller plant consists of 12 MagLev Chiller modules. OBO, which installed it,...

• Publication date : 2007/05/04

Star in the Shetlands: Star Refrigeration

Star Refrigeration, a corporate member of the IIR, has equipped Shetland Catch Ltd. with new blast-freezing equipment, raising the capacity from 200 to over 750 tonnes per day. Shetland Catch's plant near Lerwick is now probably the largest...

• Publication date : 2004/11/10

News from IIR members: MYCOM Mayekawa

The Japanese compressor manufacturer MYCOM Mayekawa will be introducing its high-efficiency NH3/CO2 cooling system NewTon3000 within the context of the Garden City Ammonia Program (GCAP). GCAP is actively promoting CO2 emissions reduction and...

• Publication date : 2011/02/07

News from IIR members: Nestlé

Nestlé's confectionery production facility in Halifax, UK, has implemented an award-winning innovative ammonia heat pump plant to power its operations, cutting costs at the site by over 240 000 € per year. The system, formed by a collaborative...

• Publication date : 2011/02/07

New JSRAE book on refrigeration compressors

The IIR partner JSRAE just published a comprehensive book, “Compressors for Air Conditioning and Refrigeration”.

• Publication date : 2018/05/17

News from IIR members: Star Refrigeration

Star Refrigeration has installed a highly efficient Azanechiller at a Scottish meat processing facility. The central pumped glycol system has a total cooling capacity of 365kW and includes pumps with variable speed drives, six ceiling...

• Publication date : 2011/08/04

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

HARFKO 2015: More successful than ever welcomes UNEP Ozone2Climate Roundtable & Roadshow

Last week the IIR was delighted to participate in the 13th Heating, Air-conditioning, Refrigeration & Fluid Exhibition – KOREA (HARFKO 2015).

• Publication date : 2015/03/18

Upcoming conference: ICR2007

A call for papers has been launched: abstracts are to be submitted by August 31, 2006. The Science and Technology Committee will screen them, and authors will be informed of acceptance by November 30, 2006. The deadline for submission of full...

• Publication date : 2005/10/26

Member news: Mirai Intex releases new high capacity ultra-low temperature refrigeration system

Mirai Intex, corporate member of the IIR, has released a new ultra-low temperature (ULT) system based on air-cycle technology, offering high cooling capacity.

• Publication date : 2021/03/09
• Subjects: Technology, HFCs alternatives

Don’t miss your chance to support the IIR Congress 2023!

To ensure the visibility of your entity across the industry on an international level, sponsoring the 26th IIR International Congress of Refrigeration is a must!

• Publication date : 2022/12/13
• Subjects: General information

The long awaited ICR2015 is underway!

Held every four years, this year ICR2015 welcomes 1,011 conference delegates from 55 countries, making it a truly global refrigeration event.

• Publication date : 2015/08/19

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

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 : English, French
• Themes : Fruit, Vegetables