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Numerical simulation on the opening delay of a discharge reed valve in compressors.

• Author(s) : YOSHIZUMI F., KONDOH Y., MOROI T., et al.
• Publication date: 2014/07/14
• Languages : English
• Source: 2014 Purdue Conferences. 22nd International Compressor Engineering Conference at Purdue.
• Formats : PDF

IIR document

A comprehensive study to evaluate absolute uptake of carbon dioxide adsorption onto composite adsorbent.

• Author(s) : BERDENOVA B., PAL A., MUTTAKIN M., et al.
• Publication date: 2019/04
• Languages : English
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 100
• Formats : PDF

IIR document

Modeling thermodynamic properties of refrigerants from new version of Tao-Mason equation of state.

• Author(s) : ALAVIANMEHR M. M, PAHLAVAN F., MOGHADASI J., et al.
• Publication date: 2014/09
• Languages : English
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 45
• Formats : PDF

IIR document

On the operating temperature of superconducting magnets cooled by superfluid helium.

• Author(s) : LEBRUN P., TAVIAN L., WEELDEREN R. van
• Publication date: 2014/04/07
• Languages : English
• Source: Cryogenics 2014. Proceedings of the 13^th IIR International Conference: Prague, Czech Republic, April 7-11, 2014.
• Formats : PDF

A comparative analysis of two-phase flow boiling heat transfer coefficient and correlations for hydrocarbons and ethanol.

• Author(s) : ELFAHAM M., TANG C. C.
• Publication date: 2023/08
• Languages : English
• Source: Energies - vol. 16 - 16
• Formats : PDF

Theoretical development of thermodynamic properties of an environmental friendly refrigerant RE170 by using Martin HOU equation of state.

• Author(s) : SHARMAS VALI S., ASHOK BABU T. P.
• Publication date: 2018/07/09
• Languages : English
• Source: 2018 Purdue Conferences. 17^th International Refrigeration and Air-Conditioning Conference at Purdue.
• Formats : PDF

Comparing e-Fuels and Electrification for Decarbonization of Heavy-Duty Transports.

• Author(s) : PRUSSI M., LAVENEZIANA L., TESTA L., CHIARAMONTI D.
• Publication date: 2022/11
• Languages : English
• Source: Energies - 15 - 21
• Formats : PDF

IIR document

Frontiers in refrigeration and cooling: how to obtain and sustain ultra low temperatures beyond nature's ambience.

• Author(s) : KÖNIG R.
• Publication date: 1999/09/19
• Languages : English
• Keywords : Design, Research, Absolute zero, Cryocooler, Cryogenics
• Source: 20^th International Congress of Refrigeration: Refrigeration into the Third Millennium.
• Formats : PDF

Tunnelling into the chill.

• Author(s) : PEKOLA J.
• Publication date: 2005/06/16
• Languages : English
• Keywords : Design, Research, Absolute zero, Peltier effect, Component
• Source: Nature - vol. 435 - n. 7044

Low-temperature shear modulus changes in solid 4He and connection to supersolidity.

• Author(s) : DAY J., BEAMISH J.
• Publication date: 2007/12/06
• Languages : English
• Keywords : Solid helium, Helium 4, Cryotemperature, Mechanical property, Absolute zero, Cryogenics
• Source: Nature - vol. 450 - n. 7171

IIR document

Frontiers in refrigeration and cooling: how to obtain and sustain ultralow temperatures beyond nature's ambience.

• Author(s) : KÖNIG R.
• Publication date: 2000/12
• Languages : English
• Keywords : Heat transfer, Thermometry, Dilution, Absolute zero, Physical property, History, Testing, Cryocooler
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 23 - n. 8
• Formats : PDF

Quasiparticle breakdown in a quantum spin liquid.

• Author(s) : STONE M. B., ZALIZNYAK I. A., HONG T., et al.
• Publication date: 2006/03/09
• Languages : English
• Keywords : Superconduction, Measurement, Research, Absolute zero, Spin, Magnetic property, Particle, Superfluid helium
• Source: Nature - vol. 440 - n. 7081

Vers les très basses températures.

Towards ultra-low temperatures.

• Author(s) : GANDIT P.
• Publication date: 2008/06
• Languages : French
• Source: Rev. gén. Froid - vol. 98 - n. 1084

A superfluid is born.

• Author(s) : STOOF H. T. C.
• Publication date: 2007/05/24
• Languages : English
• Source: Nature - vol. 447 - n. 7143

IIR document

Modeling and simulation of a desiccant assisted evaporative freezing cycle.

• Author(s) : NÓBREGA C. E. L., BRUM N. C. L.
• Publication date: 2011/08/21
• Languages : English
• Source: Proceedings of the 23^rd IIR International Congress of Refrigeration: Prague, Czech Republic, August 21-26, 2011. Overarching theme: Refrigeration for Sustainable Development.
• Formats : PDF

German researchers approach absolute zero

Physicists at the University of Bremen, Germany have produced the lowest temperature ever recorded, at 38 picoKelvin, which is 38 trillionths of a degree above absolute zero.

• Publication date : 2021/11/15
• Subjects: Technology

Always closer to absolute zero

NIST physicists have cooled a mechanical object to a temperature below the so-called “quantum limit.”

• Publication date : 2017/06/29

Near absolute zero molecules.

MIT succeeded in chilling molecules in a gas of sodium potassium (NaK) to a temperature of 500 nanokelvins.

• Publication date : 2015/09/02

A mathematical study presents a general derivation and a quantifcation of the third law of thermodynamics

Two physicists from University College London have provided a derivation of the "unattainability principle", which states that any process cannot reach absolute zero temperature in a finite number of steps.

• Publication date : 2017/03/30

A nanoelectronic chip cooled to the world record temperature of 2.8 mK

A group of researchers of the University of Basel succeeded in cooling a nanoelectronic chip to a temperature very close to absolute zero thanks to magnetic cooling.

• Publication date : 2018/03/22

Recent developments in extreme cooling

Researchers from NIST have demonstrated a solid-state refrigerator using quantum physics in micro- and nanostructures to cool a much larger object to extremely low temperatures. Moreover, a team of Munich’s Ludwig Maximilian University, has...

• Publication date : 2013/05/17

Cryogenic applications: Cooling largest outer-space telescope

In his presentation on cryogenics applications at the IIR-AFF centenary conference in Paris (see Focus), Philippe Lebrun, President of the IIR's Section A, mentioned cryogenic detectors of cosmic signals and cited Herschel probe as an example. The...

• Publication date : 2008/08/12

LHC accelerating science

The first beam in the Large Hadron Collider at CERN was steered around the full 27 km of the world's most powerful particle accelerator on September 10, 2008, in Geneva. Beams of protons circulating in opposite directions are to be brought into...

• Publication date : 2008/10/25

Supercooling the LHC

CERN's Large Hadron Collider (LHC) is the new research instrument of the world's elementary particle physics community. This discovery-making machine will explore the structure of matter and basic forces of nature on a scale never attained before....

• Publication date : 2007/02/12

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

Coldest ever molecules

Physicists at Yale University claim to have achieved the coldest ever molecules through direct cooling.

• Publication date : 2014/10/01

IIR Member news - Solstice N41 (R466A), a new refrigerant from Honeywell

Focus on a brand new refrigerant Solstice N41 (or R466A) which could represent an interesting alternative to R410A in air conditioning.

• Publication date : 2018/08/08

LEGO® block structures as a solution for cryogenic temperature insulation?

British researchers have cooled LEGO® blocks at a temperature of a few mK in an experiment which reveals a possible new application for the material which composes the popular toy.

• Publication date : 2020/02/27

World’s coldest molecules at Yale

According to a research article published in the journal Nature, physicists at Yale University have achieved the coldest ever molecules through direct cooling.

• Publication date : 2015/01/08

Recovery and reproduction of tardigrades frozen for over 30 years

Scientists managed to resuscitate tardigrades and have them reproduce although they had been frozen since 1983!

• Publication date : 2016/08/17

IIR member news: Linde

Linde Kryotechnik cryogenic company has developed a groundbreaking refrigeration system used to cool extreme temperatures in an experiment to create fusion fuel.

• Publication date : 2016/05/18