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417 results
Vertical-vibration suppressing design of accumulator with new vibration-measuring method.
Noise and vibration attenuation in piping systems.
Study on a dynamic vibration absorber for pipeline.
Research on low frequency vibration of rotary compressor.
Design and validation of an adjustable dynamic vibration absorber for piping vibration suppression in skid mounted compressor unit.
Study on vibrations of inverter refrigerator compressor.
Analysis of vibration isolators for hermetic compressors.
Compact linear compressor with internal vibration absorber.
Theoretical analysis of revolving vane compressor vibrations.
Application of NOPD Technique to Vibration Reduction of Rotor Compressors.
Cryogenically cooled ultra low vibration silicon mirrors for gravitational wave observatories.
Simulation of crankshaft torsional vibration by flexible body dynamics.
Shape optimization of a compressor supporting plate based on vibration modes.
Theoretical analysis of rigid-body vibration in swing compressors.
Refrigeration sector monitoring
22 results
Reduce refrigerant leaks in supermarkets
Refrigerant leaks are a recurring problem, particularly in the commercial refrigeration sector. An American initiative aims to identify the main causes of leaks and to propose solutions to reduce...
MIRAI Intex, new corporate member of the IIR!
Presentation of MIRAI Intex and its flagship product: MIRAI COLD 15.
The climate impact of the refrigeration sector in Australia
According to a recent report, the refrigeration sector accounts for 24% of Australia’s electricity consumption and 11.5% of CO2 emissions. This report also identifies the main causes of direct and...
High-temperature Superconductivity
Groundbreaking findings on high-temperature superconductivity. A superconductor is a material that can conduct electricity with virtually no resistance. The phenomenon was discovered by Kamerlingh Onnes in 1911 and takes place in certain metals...
Successful test of a dilution refrigerator for quantum computers
IBM scientists have succeeded in cooling a quantum computer chip to a temperature of 25 mK using a large-scale dilution refrigerator.
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,...
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...
Expansion in Purdue University will house a “smart-buildings” lab
Purdue University is expanding the Ray W. Herrick Laboratories. The expanded labs will house the Center for High Performance Buildings, where research is focused on new equipment and operational technologies to develop an understanding of the...
Briefs: Purdue University
Purdue University will create a USD 23.5 million Center for High Performance Buildings to design systems for future structures that are more environmentally and user friendly, energy efficient, and safe. The project is funded by the US Commerce...
Magnetic-bearing centrifugal compressors
This new compressor technology - presented at the 2003 AHR Expo in Chicago - may have a significant effect on the future of mid-range chillers and rooftop applications in water-cooled, evaporatively cooled and air-cooled chilled-water and...
US
The US food industry's preparation to R-22 phase-out was one of the issues addressed at the 27th annual Food Marketing Institute Energy Conference in Phoenix, US, in September 2006. At least 70% of US commercial refrigerating systems still use...
Ultracold polar molecules
Scientists at JILA, a joint institute of the National Institute of Standards and Technology (NIST) and the University of Colorado at Boulder (CU-Boulder), have applied their expertise in ultracold atoms and lasers to produce the first high-density...
Design and operation of district heating and cooling systems supplied by renewable energy sources
A report published by the European Commission analyses 8 efficient district heating and cooling systems in different Member States.
Innovative system to cool spacecraft on long missions
An innovative cooling system developed by a team of mechanical engineers has proven successful in testing aboard the International Space Station.
Summaries from two papers of the IIR co-sponsored International Conference on Compressors
Reduction of refrigeration compressors noise was an important topic addressed during the IIR-co-sponsored International Conference on Compressors (ICCR) in Xi’an, China.
IIR news
3 results
Member news: Daikin introduces EWYS-4Z: High-Efficiency Cooling and Heating Solution for Industrial and Commercial Needs
The polyvalent EWYS-4Z cooling and heating unit, which runs on R513A, is designed for superior energy efficiency and reduced noise for industrial and commercial applications.
Obituary: Rui Telmo Nobre
Mr Rui Telmo Nobre was the chairman of the UNECE Working Party on Transport of Perishable Foodstuffs and involved in the work of the IIR CERTE Sub-Commission.
IIR economic news service: the latest from our market report partners
The IIR has established partnerships with several leading market research companies, as well as with establishments that combine and provide detailed reports and global analytical studies on different sectors of the refrigeration or economic...
