Search results

Experimental investigation of the transient flow in roots blower.

• Author(s) : SUN S., KOVACEVIC A., BRUECKER C., et al.
• Publication date: 2018/07/09
• Languages : English
• Source: 2018 Purdue Conferences. 24^th International Compressor Engineering Conference at Purdue.
• Formats : PDF

Three-dimensional CFD simulation of a roots blower for the hydrogen circulating pump.

• Author(s) : ZHANG Y., ZHAO Y., PENG X.
• Publication date: 2018/07/09
• Languages : English
• Source: 2018 Purdue Conferences. 24^th International Compressor Engineering Conference at Purdue.
• Formats : PDF

Full 3D numerical analysis of a roots blower with open-source software.

• Author(s) : CASARI N., PINELLI M., SUMAN A., et al.
• Publication date: 2018/07/09
• Languages : English
• Source: 2018 Purdue Conferences. 24^th International Compressor Engineering Conference at Purdue.
• Formats : PDF

Infrared-thermography and numerical investigation of conjugate heat transfer in roots blower.

• Author(s) : PATEL B., RANE S., KOVACEVIC A.
• Publication date: 2022/07/15
• Languages : English
• Source: 2022 Purdue Conferences. 26^th International Compressor Engineering Conference at Purdue.
• Formats : PDF

Three-dimensional CFD modelling of a roots blower for hydrogen recirculation in fuel cell system.

• Author(s) : XING L., HE Y., WEN J., et al.
• Publication date: 2018/07/09
• Languages : English
• Source: 2018 Purdue Conferences. 24^th International Compressor Engineering Conference at Purdue.
• Formats : PDF

Experimental and numerical investigation of a roots expander integrated into an ORC power system.

• Author(s) : PARTHOENS A., GUILLAUME L., DUMONT O., et al.
• Publication date: 2018/07/09
• Languages : English
• Source: 2018 Purdue Conferences. 24^th International Compressor Engineering Conference at Purdue.
• Formats : PDF

IIR document

Experimental research and model optimization of a novel mechanical vapor compression evaporation system driven by Roots steam compressor.

• Author(s) : ZHANG H., ZHANG Z., TONG L., YANG J., WANG L., LI X., ZHANG Y., XU P., YU Z., ZHANG J.
• Publication date: 2023/06
• Languages : English
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 150
• Formats : PDF

IIR document

In-situ dielectric analysis on the responses of vegetable cells to freezing treatment.

• Author(s) : ZHANG C., LI S., HAN M., CHEN Z., ZHOU W.
• Publication date: 2020/10
• Languages : English
• Keywords : Vegetable, Garlic, Onion, Root, Yam, Dielectric property, Extracellular ice, Expérimentation, Model, Freezing
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 118
• Formats : PDF

User-centric BIM-based framework for HVAC root-cause detection.

• Author(s) : ALAVI H., FORCADA N.
• Publication date: 2022/06
• Languages : English
• Source: Energies - vol. 15 - n. 10
• Formats : PDF

IIR document

Effect of physicochemical properties on freezing suitability of Lotus (Nelumbo nucifera) root.

• Author(s) : TU J., ZHANG M., XU B., et al.
• Publication date: 2015/02
• Languages : English
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 50
• Formats : PDF

IIR document

Industrial storage of root vegetables: Energy and quality aspects of existing cold-storages.

• Author(s) : INDERGAARD E., THOMSEN M., HELTOFT P., et al.
• 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

Vacuum impregnation pretreatment with maltose syrup to improve the quality of frozen lotus root.

• Author(s) : SONG J., MENG L., LI D., et al.
• Publication date: 2017/04
• Languages : English
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 76
• Formats : PDF

IIR document

Quality changes in Pteridium aquilinum and the root of Platycodon grandiflorum frozen under different conditions.

• Author(s) : PARK S. J., MIJAN M. al, SONG K. B.
• Publication date: 2014/07
• Languages : English
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 43
• Formats : PDF

IIR document

Effects of different freezing methods on the quality and microstructure of Lotus (Nelumbo nucifera) root.

• Author(s) : TU J., ZHANG M., XU B., et al.
• Publication date: 2015/04
• Languages : English
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 52
• Formats : PDF

IIR document

Root cause analysis of early performance deterioration of an existing helium liquefier using process simulation.

• Author(s) : BAJPAI A., DHILLON A. K., DUTTA R., et al.
• Publication date: 2019/05/08
• Languages : English
• Source: Cryogenics 2019. Proceedings of the 15^th IIR International Conference: Prague, Czech Republic, April 8-11, 2019.
• Formats : PDF

Out of the ordinary: tasting robot

A state-of-the-art tasting robot may transform quality and safety checks. Papero, a 60-com robot developed by NEC, is fitted with infrared spectroscopic technology and a processor and software. It can identify foods, list their ingredients and...

• Publication date : 2006/11/15

Out of the ordinary: Robots pack frozen food

In continuation of its range of "Ready to Pack" modules and machines, Cermex has just developed a new version of a wrap-around case packer. Presented at Interpack 2008 the robots load cartons or flow-packed aluminium trays of frozen food either...

• Publication date : 2009/02/25

A humanoid robot that sweats to keep cool.

An athlete out of the ordinary.

• Publication date : 2017/02/26
• Subjects: Technology

Out of the ordinary: Electrolux Bio Robot Refrigerator on biopolymer gel

Electrolux has finally unveiled its avant-garde Bio Robot Refrigerator concept within the context of its 2010 Electrolux Design Lab final. Designed by Yuriy Dmitriev, the refrigerator works on the principle of biopolymer, so there is no air that...

• Publication date : 2011/02/11

CO2, one of the options for reducing the carbon footprint of refrigerated transport

Comparison of CO2 emissions from refrigerated transport units using R744 and HFC-134a and overview of solutions that could reduce the carbon footprint of this sector. 

• Publication date : 2024/03/28
• Subjects: Environment

Is this the final run in the quest for the Higgs Boson?

In March 2012, physicists from Fermilab’s Tevatron collider near Chicago announced that data collected could suggest the existence of the Higgs boson. Furthermore, the results coincide with the Large Hadron Collider (LHC) results released by CERN...

• Publication date : 2012/05/23

The LNG-fuelled fleet continues to grow

According to the maritime classification and consultancy company DNV, orders for LNG-fuelled ships remained high in 2022, close to the record figure of 2021. The use of LNG as a...

• Publication date : 2023/02/20
• Subjects: Figures, economy

Global LNG continues to grow despite the crisis

The current geopolitical situation has favoured the development of new liquefaction projects as well as the growth of existing LNG export markets, according to the IGU World LNG...

• Publication date : 2022/07/25
• Subjects: Figures, economy

Global refrigerant demand is expected to grow

Global refrigerant demand is expected to grow at a compound-annual-growth rate (CAGR) of 5.2% over the next five years and reach 1.6 million metric tons by 2018.

• Publication date : 2013/10/16
• Subjects: Figures, economy

LNG supply grows faster than any other source of gas

LNG trade reached 241.1 MT in 2014, a 4.3 MT increase over 2013 levels.

• Publication date : 2015/08/10

Global commercial refrigeration equipment demand is expected to increase by 68% by 2021

The global demand for commercial refrigeration equipment market was valued at USD 36.63 billion in 2015, and is expected to generate revenue of USD 61.44 million by end of 2021 (+68%).

• Publication date : 2016/09/06
• Subjects: Figures, economy

Air conditioning in Russian stadium for Fifa World Cup 2018

The Chinese manufacturer Midea has won the bid to provide central air conditioning systems for seven stadiums in Russia.

• Publication date : 2017/10/04

How to increase market uptake of innovative renewable heating and cooling systems ?

The results of two years of EU-funded research highlight several recommended incentives to motivate the uptake of innovative renewable heating and cooling systems.

• Publication date : 2022/01/06
• Subjects: Technology, General information

World sales of refrigerated display cases to grow over 4% annually

According to a new market research published by Freedonia, world demand for display cases is expected to increase by 4.2% per year through 2020 to USD 7.0 billion.

• Publication date : 2016/11/17

Briefs: Permafrost - a glimpse of Alaska's History

In 1963, the Alkirk miner, an experimental tunnelling machine, was tested on the permanently frozen silt, sand and gravel of Hill 456, 10 miles north of Fairbanks, Alaska. The result was a man-made permafrost tunnel that runs 360 feet deep into...

• Publication date : 2009/05/18

ICR 2023: It was nice to meet you at our booth!

The IIR’s booth received a large number of visitors. From regulars who came to say hello to curious onlookers drawn by the extensive display to participants looking for information, exchanges were varied and...

• Publication date : 2023/09/04

New IIR Informatory Note on the carbon footprint of the cold chain

The IIR has just issued a new Informatory Note on the carbon footprint of the cold chain. It highlights the food safety and environmental benefits of an improved global cold chain. 

• Publication date : 2021/04/29
• Subjects: Developing country

New IIR Informatory Note on the carbon footprint of the cold chain

The IIR has just issued a new Informatory Note on the carbon footprint of the cold chain. It highlights the food safety and environmental benefits of an improved global cold chain.

• Publication date : 2021/06/07
• Subjects: Technology, Developing country, Environment

Call to Action for World Refrigeration Day

In support of this special day, and with the aim of raising awareness and boosting accessibility of the refrigeration sector from the grassroots up on an international level, the IIR is calling to all stakeholders to actively help bring the HVACR...

• Publication date : 2019/04/01

Discover the 35th IIR Informatory Note on “The Impact of the Refrigeration Sector on Climate Change”

The 35th IIR Informatory Note on “The Impact of the Refrigeration Sector on Climate Change” reviews existing data to estimate past greenhouse gas emissions generated by refrigeration systems and make projections for the future.

• Publication date : 2017/12/05

Call to Action for World Refrigeration Day 2020

In coordination with many supporting associations and companies worldwide, the International Institute of Refrigeration (IIR) is launching a Call to Action for World Refrigeration Day 2020.

• Publication date : 2020/03/30
• Subjects: General information

World Refrigeration Day 2020

World Refrigeration Day 2020: Contribute to the promotion and raising awareness of the HVACR sector

• Publication date : 2020/03/03

INDEE+ at 23rd India International Seafood Show (2023), Kolkata, India

In February 2023, INDEE+ successfully participated to the 23rd India International Seafood Show (2023) in Kolkata. The project was jointly promoted in a technical session and at a dedicated booth.

• Publication date : 2023/03/28

IIR takes part in RACHP European Conference

The 20th European RACHP Conference of Centro Studi Galileo was held in Milan at the beginning of June. The IIR presented the women in cooling brochure and held a booth to promote the projects ENOUGH...

• Publication date : 2023/06/28

UN Climate Change Conference in Bali

- The 13th United Nations Conference of the Parties on Climate Change, which was also the 3rd meeting of the Parties to the Kyoto Protocol, took place in Bali, Indonesia, on December 3-14, 2007. More than 10 000 persons attended this event which...

• Publication date : 2008/02/15

Technical visit to the Tokyo fish market (in French)

During the ICCC conference last June, participants were offered technical visits, including a tour of the Tokyo Fish Market. Alain Le Bail, President of the IIR Commission C2, chose to visit it. Discover his...

• Publication date : 2024/11/15

IIR member news: Linde

BOC, subsidiary company of the Linde Group, launches its innovative technology in refrigerated transport.

• Publication date : 2015/06/17

IJR editorial: The cop on climate change: a growing presence of refrigeration issues to be consolidated

The Conference of the Parties on climate change was held in Sharm-El-Sheikh (Egypt) from Sunday 6 November to Sunday 20 November 2022. Generally speaking, this COP did not result in the decisions and actions...

• Publication date : 2023/01/23
• Subjects: Environment

Briefs: IKK 2006

The 27th International Trade Fair for Refrigeration, Air Conditioning and Ventilation, took place in Nuremberg on October 18-20, 2006 and attracted record numbers of visitors (29 124) and exhibitors (893). For the fourth year running the IIR was...

• Publication date : 2007/02/12

International activities: IKK 2005

IKK 2005, the 26th IKK-International Trade Fair Refrigeration, Air Conditioning and Ventilation, took place in Hanover on November 2-4, 2005. It attracted 13 670 visitors and 610 exhibitors from 41 countries. For the third year running the IIR was...

• Publication date : 2006/01/28

Ice cream manufacturing, environmental impact and market data

From a physico-chemical point of view, ice cream is a complex, frozen multiphase mixture. The manufacturing process includes several stages of freezing which are described in this...

• Last update : 2023/06/30
• Langues : French, English
• Themes : Ice creams

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 : French, English
• Themes : Fruit, Vegetables

Global HFC emissions from the refrigeration sector

This table shows HFC emissions from the refrigeration sector – including air conditioning – in million tonnes of CO2 equivalent for about 40 countries that are signatories...

• Last update : 2022/01/20
• Langues : English
• Themes : General information on environment (climate change, ozone depletion…)

Kigali Amendment status per country

List of the 163 countries that have accepted, approved or ratified the Kigali Amendment as of November 15, 2024.

• Last update : 2024/11/15
• Langues : English
• Themes : Regulations and standardization (Montreal and Kyoto Protocols…)

Environmental impact of the ice cream industry

This summary document describes the environmental impact of ice cream manufacturing, which is mainly due to the energy consumption and refrigerants used.

• Last update : 2022/11/17
• Langues : French, English
• Themes : General information on environment (climate change, ozone depletion…)

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