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IIR document

Reversing air-source heat pumps. Noise at defrost initiation and a noise reducing strategy.

• Author(s) : GUSTAFSSON O., TEUILLIERES C., HELLGREN H., et al.
• Publication date: 2016/02
• Languages : English
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 62
• Formats : PDF

Noise generation in household refrigerators: an experimental study on fluid borne noise.

• Author(s) : BOABAID NETO C., MELO C., LENZI A., et al.
• Publication date: 2014/07/14
• Languages : English
• Source: 2014 Purdue Conferences. 15th International Refrigeration and Air-Conditioning Conference at Purdue.
• Formats : PDF

Noise and vibration attenuation in piping systems.

• Author(s) : THAU L.
• Publication date: 2014/05
• Languages : English
• Source: Air Conditioning and Refrigeration Journal - vol. 17 - n. 3
• Formats : PDF

Study on the contribution of compressor noise to refrigerator overall noise.

• Author(s) : WU S., SONG J., SHEN G.
• Publication date: 2016/07/11
• Languages : English
• Source: 2016 Purdue Conferences. 23^rd International Compressor Engineering Conference at Purdue.
• Formats : PDF

Experimental study on reducing the noise of horizontal household freezers.

• Author(s) : XIA Y., LIU Y., MA Y., et al.
• Publication date: 2014/07
• Languages : English
• Source: Applied Thermal Engineering - vol. 68 - n. 1-2

Analysis & experimental validation of structure borne noise from acoustic enclosure of compressor.

• Author(s) : DESHMUKH S., MADHEKAR O.
• Publication date: 2014/07/14
• Languages : English
• Source: 2014 Purdue Conferences. 22nd International Compressor Engineering Conference at Purdue.
• Formats : PDF

IIR document

Cooling fan aerodynamic noise reduction with short inlet duct and its applicability.

• Author(s) : SUN Z., TIAN J., ZHANG T., DU Z., OUYANG H.
• Publication date: 2023/04
• Languages : English
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 148
• Formats : PDF

Noise and cycle performance of a new damping valve for compressor.

• Author(s) : HUANG B., YUAN H.
• Publication date: 2018/07/09
• Languages : English
• Source: 2018 Purdue Conferences. 24^th International Compressor Engineering Conference at Purdue.
• Formats : PDF

Research of refrigerating compressor motor noise based on computer simulation technology.

• Author(s) : WANG H.
• Publication date: 2017/07/20
• Languages : English
• Source: 8th international conference on compressors and refrigeration, 2017.
• Formats : PDF

Frequency distribution control for flow-induced noise mitigation near expansion device.

• Author(s) : ZHANG Y., ELBEL S.
• Publication date: 2022
• Languages : English
• Source: 2022 Purdue Conferences. 19^th International Refrigeration and Air-Conditioning Conference at Purdue.
• Formats : PDF

Investigation on noise of rotary compressors using fluid-structure interaction.

• Author(s) : JANG S., CHOUNG H., PARK S., et al.
• Publication date: 2018/07/09
• Languages : English
• Source: 2018 Purdue Conferences. 24^th International Compressor Engineering Conference at Purdue.
• Formats : PDF

The effect of biphasic refrigerant flow on refrigerator noise.

• Author(s) : VENDRAMI C. E., MIGUEL E., SOUZA D. de, et al.
• Publication date: 2018/07/09
• Languages : English
• Source: 2018 Purdue Conferences. 17^th International Refrigeration and Air-Conditioning Conference at Purdue.
• Formats : PDF

Review of methods and research status of noise reduction of refrigerator compressor.

• Author(s) : CUI Y., HE D., ZHAI X., et al.
• Publication date: 2017/07/20
• Languages : English
• Source: 8th international conference on compressors and refrigeration, 2017.
• Formats : PDF

Reducing the noise from the cavity by tuning the compressor’s oil level.

• Author(s) : MARTINS P.
• Publication date: 2021/09
• Languages : English
• Source: 12^th International Conference on Compressors and their Systems
• Formats : PDF

IIR document

Flow-induced noise generation at the outlet of a capillary tube.

• Author(s) : RUEBELING J., GROHMANN S.
• Publication date: 2020/03
• Languages : English
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 111
• Formats : PDF

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...

• Publication date : 2021/05/31

Refrigerated rail transport of fruits in India

1000 tonnes of imported fresh fruits reached Bengaluru (India) on refrigerated train.

• Publication date : 2021/09/06
• Subjects: Developing country

World’s largest reefer ship to boost fruits exports

Exports of New Zealand kiwifruit and South African citrus fruits to Europe have been boosted by the commissioning of the world's largest reefer vessel.

• Publication date : 2021/07/05
• Subjects: General information, Figures, economy, Developing country

Shelf-life extension strategies for fresh cut fruit

Easyfruit, an EU project which began in early 2013, aims at extending the shelf life of fresh cut fruit from three to five days, in order to help open new export markets and ensure European companies stay competitive by being able to reduce fresh...

• Publication date : 2013/09/10

Frozen fruit in perfect condition for up to three years

A new technology allows, for the first time, to freeze fruit for three years while keeping its nutrients and properties at optimal levels.

• Publication date : 2014/05/13

Comparison of the nutritional values of fresh and frozen fruits and vegetables

Researchers compared nutritional values between frozen, fresh and fresh-stored fruits and vegetables.

• Publication date : 2017/06/27

Keeping fruit and vegetable fresh longer without a fridge

The Wakati stores increases the short-term storage time for fruit and vegetable without refrigeration

• Publication date : 2015/05/22
• Subjects: Developing country

Freeze-drying of fruit does retain its nutritional goodness

A study at Sheffield Hallam University and Chaucer Foods has found that freeze drying strawberries had no significant impact on their nutrient content.

• Publication date : 2014/02/04

Brief: e-fruitrace project

The European Commission decided in 2001 to fund the e-fruitrace project, aimed at achieving food security in the EU through an integrated traceability system based on Internet technologies. The 200 000 € project has successfully tested a...

• Publication date : 2005/06/14

Air paths inside fruit

Microscopically small structures inside pears and apples allow them to "breathe". Researchers at the Catholic University of Leuven and the European Synchrotron Radiation Facility (ESRF) have visualized these pathways for the first time, therefore...

• Publication date : 2008/10/25

In-transit cold treatment facilitates imports of South African fruits in India

A recent agreement between India and South Africa for in-transit cold treatment should benefit South African exporters of apples and pears.

• Publication date : 2022/09/12
• Subjects: Figures, economy, Developing country

Course on fruit and vegetables preservation

The Postharvest and Refrigeration Group of the Technical University of Cartagena (Spain) offers the second International Course on Postharvest Technology and Minimal Processing of Fruit and Vegetables, from 23 to 29 April 2008. The Chair of the...

• Publication date : 2008/02/26

India: 25 to 30% of fruits and vegetables lost after harvest

According to an article published on website downtoearth.org.in, Indian farmers lose INR 63,000 crore (about 8 billion EUR) every year due to unsold products.

• Publication date : 2018/03/23
• Subjects: Figures, economy, Developing country

An integrated traceability system: the e-fruit system

In preparation for the General Food Law, the European Commission decided in 2001 to fund the e-fruitrace project, aimed at achieving food security in the EU through an efficient traceability system based on Internet technologies. With 200,000 euro...

• Publication date : 2005/06/14

Taiwanese fruit distributor tracks fresh produce via RFID

Je-Nong Cooperative Farm has reduced labor costs by adopting plastic crates with embedded passive UHF EPC tags to track its products.

• Publication date : 2013/11/19

Member News: Daikin partners with Fujifilm to reduce noise from some of its ventilation/humidification units

The Japanese company Daikin will soon use a new technology to reduce noise in some of its ventilation and humidification units. 

• Publication date : 2022/02/28

New in our Encyclopedia. Cold storage conditions for fruits and vegetables

Practical recommendations for the cold storage of over 200 cultivars of fruits, vegetables and herbs. 

• Publication date : 2023/01/26
• Subjects: General information

PhD student recruitment

PhD Studentship for 36 months for a subject concerning Magnetic Refrigeration at Room Temperature (Machines, Theory, Modelling and Experiments): We are looking to recruit a PhD student in the area of magnetic refrigeration (thermal and fluid...

• Publication date : 2010/09/30

June 2004: fruitful meetings of the IIR’s statutory committees

Here are some highlights of the annual meetings of the IIR's statutory bodies (Management Committee, Science and Technology Council [STC] and Executive Committee): Strategic Plan of the IIR Four years after having adopted its Strategic...

• Publication date : 2004/07/27

News from IIR members: Tecumseh

Tecumseh has won the French Golden Decibel Award for its second-generation Silensys condensation units. The Conseil National du Bruit (the French national organization dealing with noise issues) presented this award in recognition of the noise...

• Publication date : 2010/05/27

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. 

• Publication date : 2024/08/01

ERC Grant Awarded to Steffen Grohmann for Advancing Cryogenic Technology

Steffen Grohmann, President of IIR Commission A1, receives an advanced grant from the European Research Council for his innovative cryogenic technology project: GRAVITHELIUM, a key technology for the Einstein...

• Publication date : 2024/04/26

Member news: Latest news from Air Liquide

Air Liquid inaugurates a low-carbon hydrogen production unit and promotes the development of helium refrigeration. 

• Publication date : 2021/02/23

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

Energy efficiency on the agenda for discussion during Montreal Protocol meetings in Vienna

Focus on the fruitful workshop on "the energy efficiency opportunities while phasing down hydrofluorocarbons (HFCs)", which preceded the 40th meeting of the Open-ended Working Group (OEWG40) of the Parties to the Montreal Protocol on Substances...

• Publication date : 2018/08/08

World Bank project in Bangladesh

The IIR has just signed an agreement with the World Bank to develop a cold chain, as sustainable as possible of course, in Bangladesh, in partnership with British and Bangladeshi universities. 

• Publication date : 2021/03/29
• Subjects: Developing country

Editorial by Didier Coulomb

2008 was a milestone year for the IIR: its centenary, celebrated in many countries, provided an opportunity to showcase not only the rich and fascinating history of refrigeration, but also the ever-increasing global challenges and a lively,...

• Publication date : 2009/02/24

IIR committees meetings in Cambridge

The Management Committee of the IIR met in Cambridge (UK) on March 19, 2005. It was invited by the UK Institute of Refrigeration and Cambridge Refrigeration Technology (CRT), thanks to Robert Heap. The main points discussed during were: - the...

• Publication date : 2005/06/14

IIR Working Parties

The IIR has 10 commissions: Cryophysics, cryoegineering (A1); Liquefaction and separation of gases (A2); Thermodynamics and transfer processes(B1); Refrigerating equipment (B2); Cryobiology, cryomedicine (C1); Food science and engineering (C2);...

• Publication date : 2009/12/09

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

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

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

Additive manufacturing of regenerators for caloric cooling

In many areas of engineering, additive manufacturing allows the production of complex and multifunctional products that could not be manufactured using traditional methods. In the...

• Last update : 2022/09/16
• Langues : French, English
• Themes : Caloric cooling (magnetocaloric, electrocaloric, elastocaloric and barocaloric cooling)

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…)