Search results

Assessment of long term visual and thermal comfort and energy performance in open space office with different shading devices.

• Author(s) : ATZERI A. M., CAPPELLETTI F., SHEN H., et al.
• Publication date: 2014/07/14
• Languages : English
• Source: 2014 Purdue Conferences. 3rd International High Performance Buildings Conference at Purdue.
• Formats : PDF

26th Space Cryogenics Workshop.

• Author(s) : SHIRRON P.
• Publication date: 2015/08
• Languages : English
• Keywords : Technology, Review, Space, Cryocooler, Cryogenics, Cryofluid
• Source: Cold Facts - vol. 31 - n. 4

50 years of progress in space cryogenics.

• Author(s) : SHIRRON P.
• Publication date: 2014/02
• Languages : English
• Keywords : Review, History, Space, Cryocooler, Cryogenics
• Source: Cold Facts - vol. 30 - n. 1

Optimisation of functionally gradated material thermoelectric cooler for the solar space power system.

• Author(s) : GASIK M., BILOTSKY Y.
• Publication date: 2014/05
• Languages : English
• Keywords : Thermoelectricity, Cooling, Performance, Optimization, Laser, Space
• Source: Applied Thermal Engineering - vol. 66 - n. 1-2

IIR document

High porosity open-cell metal foam as potential candidate for space cryogenic radiator.

• Author(s) : DIXIT T., GHOSH I.
• Publication date: 2017/05/15
• Languages : English
• Keywords : Radiator, Metal, Heat transfer, Simulation, Foam, Space, Cryogenics
• Source: Cryogenics 2017. Proceedings of the 14^th IIR International Conference: Dresden, Germany, Mai 15-19, 2017.
• Formats : PDF

A compact thermal heat switch for cryogenic space applications operating near 100 K.

• Author(s) : DIETRICH M., EULER A., THUMMES G.
• Publication date: 2014/01
• Languages : English
• Keywords : Thermal switch, Pulse tube, Design, Reliability, Space, Cryocooler
• Source: Cryogenics - vol. 59

IIR document

Impact of operating parameters on 80 K pulse tube cryocoolers for space applications.

• Author(s) : LIU S., JIANG Z., DING L., et al.
• Publication date: 2019/03
• Languages : English
• Keywords : Pulse tube, Simulation, Performance, Pressure, Expérimentation, Space, Cryocooler, Frequency
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 99
• Formats : PDF

IIR document

A heat pump for space applications with a lightweight 200,000 RPM centrifugal three-stage compressor system.

• Author(s) : GERNER H. J. van, DONK G. van, PAUW A., et al.
• Publication date: 2015/08/16
• Languages : English
• Keywords : Operation, Design, Heat pump, Performance, Multistage system, Space, Compressor
• Source: Proceedings of the 24th IIR International Congress of Refrigeration: Yokohama, Japan, August 16-22, 2015.
• Formats : PDF

IIR document

Design and verification of temperature-adjustable system for the space environment simulator.

• Author(s) : HE C., ZHANG M., ZHOU Y., et al.
• Publication date: 2019/05/08
• Languages : English
• Keywords : Nitrogen, Generality, Cooling rate, Simulation, Performance, Reliability, Space, Flow rate, Cryogenics, Thermal load
• Source: Cryogenics 2019. Proceedings of the 15^th IIR International Conference: Prague, Czech Republic, April 8-11, 2019.
• Formats : PDF

Optimized design for micro Wankel compressor used in space-borne vapor compression heat pump.

• Author(s) : WU Y., MA C., CHEN X., et al.
• Publication date: 2014/07/14
• Languages : English
• Keywords : Electronics, Mechanical vapour compression, Design, Prototype, Heat pump, Optimization, Space, Compression
• Source: 2014 Purdue Conferences. 22nd International Compressor Engineering Conference at Purdue.
• Formats : PDF

IIR document

Performance investigations on 10W/60 K high-capacity, light-weight single-stage pulse tube cryocoolers for space applications.

• Author(s) : DANG H. Z., SONG Y. Y., ZHOU B. L., et al.
• Publication date: 2015/08/16
• Languages : English
• Keywords : Pulse tube, High capacity, Design, Performance, Space, Cryocooler
• Source: Proceedings of the 24th IIR International Congress of Refrigeration: Yokohama, Japan, August 16-22, 2015.
• Formats : PDF

State-space modeling of thermal spaces in a multi-zone building.

• Author(s) : DEHKORDI V. R., CANDANEDO J. A.
• Publication date: 2016/07/11
• Languages : English
• Source: 2016 Purdue Conferences. 4^th International High Performance Buildings Conference at Purdue.
• Formats : PDF

IIR document

Heat pump high density thermal storage (HPT) analysis: space heating, space cooling, and water heating.

• Author(s) : KALINOWSKI P., MARTIN C., BURWELL M.
• Publication date: 2016/08/21
• Languages : English
• Source: 12^th IIR Gustav Lorentzen Conference on Natural Refrigerants (GL2016). Proceedings. Édimbourg, United Kingdom, August 21st-24th 2016.
• Formats : PDF

IIR document

Improving built environmental design in large-space building by numerical analysis method and state space method: a case study.

• Author(s) : LIANG N., MA X., XU H.
• Publication date: 2015/08/16
• Languages : English
• Source: Proceedings of the 24th IIR International Congress of Refrigeration: Yokohama, Japan, August 16-22, 2015.
• Formats : PDF

Influential factors for liquid acquisition device screen selection for cryogenic propulsion systems.

• Author(s) : HARTWIG J., DARR S.
• Publication date: 2014/05
• Languages : English
• Keywords : Liquid, Hydrogen, Space, Cryogenics
• Source: Applied Thermal Engineering - vol. 66 - n. 1-2

News from the space: ammonia air conditioning for International Space Station

Astronauts from the space shuttle Discovery completed a 6-hour spacewalk outside the International Space Station in September 2009, installing a new ammonia refrigerant tank. They removed an 816 kg ammonia tank from a cargo carrier attached to the...

• Publication date : 2009/12/09

Brief: Freezer in space

Leonardo, the Multi-Purpose Logistics Module used to transport payloads to the cargo bay of the Space Shuttle Atlantis on mission STS-121 contains a freezer called MELFI (Minus Eighty Degree Laboratory Freezer). MELFI, provided by the European...

• Publication date : 2005/07/19

Briefs: Walking in space

Interested in spacesuits? Spacesuits have to protect the human body from the extreme conditions encountered in space where temperatures can range from 135°C in direct sunlight to -82°C in areas of shadow. Cooling during spacewalking is provided...

• Publication date : 2007/02/12

NASA’s James Webb Space Telescope

Cryogenic testing has now been completed for the final 6 primary mirror segments and a secondary mirror that will fly on NASA’s James Webb Space Telescope.

• Publication date : 2012/08/03

News from the space: Hubble

Following repairs to its cooling system, NASA's Hubble Space Telescope is back in business, uncovering new worlds, peering deeper into space, and mapping the invisible backbone of the universe. The first images from the refurbished Hubble showcase...

• Publication date : 2009/12/09

Briefs: Cryocooling in outer space

MELFI (Minus Eighty degrees Celsius Laboratory Freezer) has been developed for the International Space Station (ISS) under a European Space Agency (ESA) contract for NASA. It is used to preserve biological and scientific samples until they return...

• Publication date : 2007/11/20

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

Changes in the use of cryogenic propellants in space

Near-term exploration beyond low Earth orbit will require the use of cryogenic propellants and in-space cryogenic propellant storage durations will exceed our current capabilities by at least two orders of magnitude. This will require the...

• Publication date : 2012/09/17

Briefs: double-effect trigeneration for energy savings in French space centre

The Centre Spatial de Toulouse, which is part of the French Centre National d'Etudes Spatiales is now equipped with a large-scale trigeneration plant. The Centre comprises 60 buildings and employs 2500 employees and until 2002 also had a huge...

• Publication date : 2009/12/09

Residential CO2 heat pump system for combined space heating and hot water heating

This paper was presented at the IIR Gustav Lorentzen Conference in Glasgow (Sep. 2004). A theoretical and experimental study was carried out for a residential brine-to-water CO2 heat pump system for combined space heating and hot water heating - a...

• Publication date : 2004/11/24

CAL - NASA’s Space Cryocooler

NASA’s new facility, Cold Atom Lab (CAL), expected to reach effective temperatures down to 100 pico-Kelvin (pK), will be used for the study of ultra-cold quantum gases in the microgravity environment on the International Space Station (ISS). (en...

• Publication date : 2014/07/03

Zero refrigerant in occupied spaces thanks to Hybrid-VRF air-conditioning system.

Mitsubishi Electric launches a Hybrid-VRF (HVRF) air-conditioning system which uses no refrigerant within a buildings' occupied spaces.

• Publication date : 2013/10/04

Vapour compression refrigeration for space applications

An IJR review paper presents the history of vapour-compression refrigeration systems used in microgravity environments and sets the next steps of research needed to achieve reliable...

• Publication date : 2021/01/27

Squid skin inspires research on next-generation space blanket

Next-generation space blankets could be made of a thermoregulatory material inspired by the functioning of squid skin, which changes color.

• Publication date : 2019/05/29

Space cooling at the heart of energy efficiency policies

The latest “IEA Energy Efficiency 2018” report stresses that cooling is the fastest growing energy end-use in buildings and calls for further improvements in efficiency gains, especially through raising of minimum energy performance standards.

• Publication date : 2018/11/22
• Subjects: General information, Figures, economy

Climespace

Who cools the Louvre, the French parliament, the Paris Opera House, the Bank of France, Chanel, Dior, Galeries Lafayette, several 5-star hotels and many other buildings? The answer is Climespace. With 475 customers, 5 million m² cooled and...

• Publication date : 2011/02/04

Singapore event postponed : watch this space

Due to the current world economic situation, the IIR, the Australian Institute of Refrigeration, Air Conditioning and Heating (AIRAH) and the Global Cold Chain Alliance (GCCA) have postponed the 1st IIR International Cold Chain Conference which...

• Publication date : 2009/02/24

New IIR Informatory Note on Air-source heat pumps for space heating and cooling

The IIR has issued a new Informatory Note on Air source heat pumps for space heating and cooling. A summary for policymakers and a Chinese version of this note have also been published.

• Publication date : 2021/02/23

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

FRIDOC now features a selection of MDPI articles on refrigeration

About 150 articles from MDPI journals, including review articles on various refrigeration technologies, are available in FRIDOC.

• Publication date : 2022/07/28
• Subjects: General information

New IIR publication: Serving the Needs of Mankind: a History of Refrigeration

This 40-minute DVD produced for the 21 st IIR International Congress of Refrigeration held in Washington DC in August 2003 retraces the history of refrigeration from prehistoric times to today and touches on future challenges and potential...

• Publication date : 2005/06/14

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

COP21 UN climate change conference 2015

The Conference of the Parties (COP21) organized by host country France in conjunction with United Nations.

• Publication date : 2015/02/26

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

Here are the latest IIR award-winners!

Once every 4 years during each International Congress of Refrigeration, the IIR presents a series of prestigious scientific awards:. Gustav Lorentzen Medal: the prize is awarded to a person with...

• Publication date : 2011/09/15

IIR Research Priorities

The IIR decided, within the framework of its Strategic Plan, to draw up a list of research priorities for the future. It hopes that these priorities will be a valuable guiding force for decision-makers in the public and private research sectors,...

• Publication date : 2005/07/19

Are you signed up for IIR e-alerts?

New service offered on the IIR website! Now you can receive the latest refrigeration updates with our e-mail alerts.

• Publication date : 2013/10/22

New IIR Informatory Note (IN) on chillers and Russian version of the IN on nutrition

The IIR has just published a new Informatory Note on chillers as well as the Russian version of the IN on the Role of Refrigeration in Worldwide Nutrition already published in four other...

• Publication date : 2021/03/29

The IIR launches a call to action to adopt 5 internationally established refrigeration terms!

All professionals in the field of low-temperature technologies are called and are strongly encouraged to strictly adhere to the internationally established and approved definitions, by the International...

• Publication date : 2020/10/02
• Subjects: General information

Call to action to adopt 5 internationally established refrigeration terms!

All professionals in the field of low-temperature technologies are called and are strongly encouraged to strictly adhere to the internationally established and approved definitions, by the International...

• Publication date : 2020/09/28
• Subjects: General information

Cryogenic nitrogen in the food and beverage industry

The adoption of cryogenic processes in the food and beverage industry is predominantly driven by liquid nitrogen (LIN), and it is the preferred candidate for food chilling and...

• Last update : 2023/11/07
• Langues : French, English
• Themes : Freezing of foodstuffs

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 : French, English
• Themes : LNG and LPG

Hydrocarbon refrigerants

Hydrocarbons such as R290 (propane), R600a (isobutane) or R1270 (propene/propylene) are low GWP non-toxic natural refrigerants with excellent thermodynamic properties. They offer an...

• Last update : 2022/06/22
• Langues : French, English
• Themes : Hydrocarbons, Containment, refrigerant charge reduction