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Yanqing solar field: Dynamic optical model and operational safety analysis.

• Author(s) : ZHAO D., WANG Z., XU E., et al.
• Publication date: 2017/01/05
• Languages : English
• Keywords : Solar collector, Optics, Safety, China, Solar radiation, Power, Modelling
• Source: Applied Thermal Engineering - vol. 110

IIR document

A novel measurement system for dense foam using a single-tip optical fiber probe.

• Author(s) : NIHEI A., MIZUSHIMA Y., SAITO T.
• Publication date: 2015/08/16
• Languages : English
• Keywords : Measurement, Probe, Simulation, Foam, Optical fibre
• Source: Proceedings of the 24th IIR International Congress of Refrigeration: Yokohama, Japan, August 16-22, 2015.
• Formats : PDF

IIR document

Online composition measurements of refrigerant mixtures by optical fibres and infrared spectroscopy.

• Author(s) : TOBALY P., TERRIER M. F.
• Publication date: 2019/08/24
• Languages : English
• Keywords : Infrared, R744, R290, Spectroscopy, Propane, Prediction, Mixture, Optical fibre, Expérimentation, Refrigerant, CO2
• Source: Proceedings of the 25^th IIR International Congress of Refrigeration: Montréal , Canada, August 24-30, 2019.
• Formats : PDF

Solar optical properties of roller shades: modeling approaches, measured results and impact on daylighting and visual comfort.

• Author(s) : CHAN Y-C., TZEMPELIKOS A., PROTZMAN B.
• Publication date: 2014/07/14
• Languages : English
• Keywords : Energy, Commercial building, Solar radiation, Optical property, Shading, Modelling, Lighting, Thermal comfort
• Source: 2014 Purdue Conferences. 3rd International High Performance Buildings Conference at Purdue.
• Formats : PDF

IIR document

Experimental investigation of in-tube condensation of low GWP refrigerant R450A using a fiber optic distributed temperature sensor.

• Author(s) : JACOB T. A., MATTY E. P., FRONK B. M.
• Publication date: 2019/07
• Languages : English
• Keywords : Sensor, Low GWP, R450A, Zeotropic mixture, Optical fibre, Expérimentation, Condensation, Pressure drop
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 103
• Formats : PDF

Efficient cooling of superconducting fiber core via holey cladding.

• Author(s) : HOMA D., KAUR G., PICKRELL G., et al.
• Publication date: 2014/05
• Languages : English
• Keywords : Superconduction, Optics, Electronics, Performance, Optical fibre, Expérimentation
• Source: Cryogenics - vol. 61

Magneto-optical trapping of a diatomic molecule.

• Author(s) : BARRY J. F., MCCARRON D. J., NORRGARD E. B., et al.
• Publication date: 2014/08/21
• Languages : English
• Source: Nature - vol. 512 - n. 7514

IIR document

Analysis of temperature characteristics of cryogenic target based on a directional infrared photothermal-coupling numerical model.

• Author(s) : GUO F., LI Y., LI C.
• Publication date: 2021/10/05
• Languages : English
• Keywords : Cryogenics, Temperature, Measurement, Infrared, Capsule, Simulation, Optical fibre
• Source: Cryogenics 2021 online. Proceedings of the 16^th IIR International Conference, October 5-7, 2021.
• Formats : PDF

IIR document

Assembled design of unit-cell thermal shifters for multipurpose thermal metamaterials.

• Author(s) : KANG S., PARK G., SEO K., et al.
• Publication date: 2017/04/23
• Languages : English
• Keywords : Thermodynamics, Inverter, Diffuser, Optical property, Plate, Material, Expérimentation
• Source: 5^th IIR Conference on Thermophysical Properties and Transfer Processes of Refrigerants.
• Formats : PDF

IIR document

Investigation of magnetocaloric effect by the fast response infrared optical temperature probe.

• Author(s) : KAMANTSEV A. P., KOLEDOV V. V., MASHIROV A. V., et al.
• Publication date: 2016/09/11
• Languages : English
• Source: 7^th International Conference on Magnetic Refrigeration at Room Temperature (Thermag VII). Proceedings: Turin, Italy, September 11-14, 2016.
• Formats : PDF

Optical measurements of liquid film thickness during condensation in a small diameter tube.

• Author(s) : BERTO A., LAVIEILLE P., AZZOLIN M., BORTOLIN S., MISCEVIC M., DEL COL D.
• Publication date: 2022
• Languages : English
• Source: 2022 Purdue Conferences. 19^th International Refrigeration and Air-Conditioning Conference at Purdue.
• Formats : PDF

IIR document

Development of a new optical method to quantify local air-side heat transfer coefficient.

• Author(s) : CHE M., ELBEL S.
• Publication date: 2019/08/24
• Languages : English
• Source: Proceedings of the 25^th IIR International Congress of Refrigeration: Montréal , Canada, August 24-30, 2019.
• Formats : PDF

IIR document

Optical measurements of liquid film and waves during annular-flow condensation inside a channel.

• Author(s) : BERTO A., AZZOLIN M., BORTOLIN S., LAVIEILLE P., MISCEVIC M., DEL COL D.
• Publication date: 2021/09/01
• Languages : English
• Source: 6^th IIR Conference on Thermophysical Properties and Transfer Processes of Refrigerants
• Formats : PDF

IIR document

Radiation absorption and heat collection characteristics of graphene/paraffin composite phase change material.

• Author(s) : OUYANG L., XU G., YAN J., et al.
• Publication date: 2019/08/24
• Languages : English
• Keywords : Thermal property, Paraffin, Heat, Solar radiation, Absorption, Optical property, PCM, Nanoparticle, Modelling, Expérimentation, Thermal energy storage
• Source: Proceedings of the 25^th IIR International Congress of Refrigeration: Montréal , Canada, August 24-30, 2019.
• Formats : PDF

Development of state-of-the-art experimental technique to investigate temperature field in leakage flows of positive displacement machines.

• Author(s) : PATEL B., KOVACEVIC A., ALAM M. N., CHAROGIANNIS A.
• Publication date: 2021/05
• Languages : English
• Source: 2021 Purdue Conferences. 25^th International Compressor Engineering Conference at Purdue.
• Formats : PDF

Briefs: Edible optics to prevent food poisoning

Edible nanosensors made from silk could alert consumers regarding potential contamination of food thanks to a hologram-type indicator embedded in the pack. Researchers at Tufts University in the US are working on the development of bioactive silk...

• Publication date : 2008/10/25

Optical cavity cooling: a quantic leap for optical refrigeration?

A team of researchers at the Niels Bohr Institute have combined laser cooling technology with nano-physics, and have discovered a revolutionary way of bringing a semi-conductor nano-membrane’s temperature down to -269°C.

• Publication date : 2012/07/31

Optical refrigeration

A team in New Mexico University has created the first-ever optical cryocooler that could be applied to airborne and spaceborne sensors. It uses optical refrigeration which could enable miniaturization, an alternative to bulky mechanical...

• Publication date : 2010/05/27

R&D topics

In this issue of the Newsletter dedicated to environmental issues, we present several initiatives related to promising refrigeration technologies or applications which have the potential to decrease the environmental impact of refrigeration plants...

• Publication date : 2007/08/05

A cryostat provides the optical bench of the largest digital astronomic camera

The manufacture of a cryostat to be used as an optical bench for the camera of the Large Synoptic Survey Telescope has been completed.

• Publication date : 2018/09/20

ICR2019: overview of current refrigeration research topics (part III)

Energy storage, desiccant air conditioning, high-temperature heat pumps and ejector technologies were some of the salient topics of the latest IIR Congress. Continuation of the synthesis of key presentations of ICR2019.

• Publication date : 2019/10/30

ICR2019: overview of current refrigeration research topics (part IV)

Energy storage, desiccant air conditioning, high-temperature heat pumps and ejector technologies were some of the salient topics of the latest IIR Congress. Continuation of the synthesis of key presentations of ICR2019.

• Publication date : 2019/10/30

Cooling the ATST solar telescope

The Advanced Technology Solar Telescope (ATST), currently under construction on the Pacific island of Maui, will be the world’s largest solar telescope, able to provide the sharpest views ever taken of the solar surface

• Publication date : 2014/09/19

2014 worldwide helium market

Currently, the US has the largest market for helium demand market, consuming approximately 32% of the total volume; Asia represents the second largest market with 31% of worldwide demand.

• Publication date : 2015/11/12
• Subjects: Figures, economy

Must read in IJR: a comprehensive review on fault detection in HVAC systems

The latest research and developments in the fault detection and diagnostics of HVAC systems are presented in several articles recently published in the IJR.

• Publication date : 2023/02/13
• Subjects: Technology

Liquid crystal technology speeds up foodborne pathogen detection

Crystal Diagnostics has pioneered liquid-crystal technology that enables smart fast detection of bacteria and other dangerous pathogens such as E. coli in foodstuffs.

• Publication date : 2012/02/28

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...

• Publication date : 2008/10/22

The French Health Protection Agency (InVS) warns against Legionella outbreaks

In an official statement dated July 2004, the French Health Protection Agency called for vigilance with regards to the risk of Legionella outbreaks during summer 2004. In 2003, 1044 legionella cases were recorded in France and 129 patients died....

• Publication date : 2004/09/14

Global HVAC and building futures

Among the topics presented by BSRIA at the International Trade Fair for Sanitation, Heating & Air Conditioning (ISH) 2015 (see the attached presentation):

• Publication date : 2015/04/16
• Subjects: Figures, economy

100 years of superconductivity

April 8, 2011 marked the 100th anniversary of the discovery of superconductivity by Heike Kammerlingh Onnes. Working in his lab at Leiden University on April 8, 1911, he was experimenting with the electrical...

• Publication date : 2011/07/26

Two IIR Informatory Notes on hot topics

The IIR has recently published two Informatory Notes on high-stakes subjects: flammable refrigerants and the Internet of Things and Artificial Intelligence in refrigeration and air...

• Publication date : 2023/09/22
• Subjects: Technology, HFCs alternatives

Upcoming IIR Conference: Casta Papiernicka (2006)

Register for the 6th International Conference on Compressors and Coolants - Compressors 2006, September 27- 29, 2006 in Casta Papiernicka, Slovak Republic. Main themes: compressor and refrigeration technologies, inspection and diagnostics,...

• Publication date : 2006/05/05

Upcoming IIR events: Casta Papiernicka

Register for the 6th International Conference on Compressors and Coolants - Compressors 2006, September 27- 29, 2006 in Casta Papiernicka, Slovak Republic. Main themes: compressors, compressors and refrigeration technologies, inspection and...

• Publication date : 2006/07/26

Activities of IIR’s Commission B1 on “Thermodynamics and Transfer Processes”

Thermodynamics is essential for all topics covered by the IIR.

• Publication date : 2017/02/23

IIR Conference: Auckland

Innovative Equipment and Systems for Comfort and Food Preservation , an IIR conference, will be held in Auckland, New Zealand, on February 16-18, 2006. Deadlines: June 1, 2005 for abstracts and September 16, 2005 for papers. December 9, 2005:...

• Publication date : 2005/06/14

ATMOsphere Europe Summit 2021 to Address EU’s Phase Down of Super-Polluting Refrigerants

The replacement of HFCs with natural refrigerants is among the topics at the online event on September 28-29.

• Publication date : 2021/09/01

Check out the latest news from FRISBEE!

In this issue two hot topics: the test carried out to increase refrigerator performance and field test monitoring of the food cold chain in European markets.

• Publication date : 2014/03/10

Call for abstracts: IIR Compressors Conference 2020

Set to celebrate its 10th anniversary edition in the series, the IIR next Conference on Compressors and Refrigerants has launched a call for abstracts. Don't miss the deadline!

• Publication date : 2019/11/04

Cryogenics and Low-Temperature Physics: New Horizons and Challenges

This Focus written by Ralf Herzog*, President of the IIR’s Cryophysics, Cryoengineering commission (Commission A1) for the Newsletter of the IIR is the third in a series of presentations of the activities and hot research topics handled by the...

• Publication date : 2012/09/21

New IIR publication

The CD-ROM proceedings of Ammonia Refrigerating Systems, Renewal and Improvement, an IIR conference held in Ohrid, Macedonia (FYROM), on May 6-8, 2005, comprise 29 papers spanning a wide range of ammonia applications. Key topics: past, present and...

• Publication date : 2005/07/19

International events: HVAC

An IIR event, HVAC Energy Efficiency Best Practice Conference, was organized in Melbourne by AIRAH (Australian Institute of Refrigeration, Air Conditioning and Heating), on September 17-19, 2008. Various topics were covered: the rating of energy...

• Publication date : 2008/10/25

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

New IIR publication: Proceedings

The proceedings (CD-ROM) of the IIR Compressors 2004 conference held in Casta Papiernicka, Slovakia, on September 29-October 1, 2004 contains 41 papers. It also contains 27 papers presented at the previous event in the series, Compressors 2001,...

• Publication date : 2005/02/11

News from IIR members: AFF

2es Journées - Chaîne du froid des produits de santé (2nd Symposium on the cold chain and medicines) is to be held in Lyons, France, on November 24-25, 2010. Organized by the French Refrigeration Association (AFF) and SFSTP (French Society...

• Publication date : 2011/02/04

International events: Antony

The 1st IIR Workshop on Refrigerant Charge Reduction in Refrigerating Systems was held in Antony, France, on April 6-7, 2009. Besides charge reduction, key topics covered included enhancement of heat and mass transfer, pressure and oil issues and...

• Publication date : 2009/05/18