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IIR document

Numerical simulation on buoyancy-induced deterioration of supercritical heat transfer.

• Author(s) : HE J., DANG C., HIHARA E.
• Publication date: 2019/08/24
• Languages : English
• Keywords : Velocity (fluids, gases), Supercritical state, R245fa, Turbulence, Heat transfer, Deterioration, Density, Simulation
• Source: Proceedings of the 25^th IIR International Congress of Refrigeration: Montréal , Canada, August 24-30, 2019.
• Formats : PDF

IIR document

Identification of deteriorated components in an air separation plant and evaluating their impact on overall performance through steady state simulation.

• Author(s) : ROHIT S., KANCHAN C.
• Publication date: 2017/05/15
• Languages : English
• Keywords : Energy consumption, Deterioration, Air, Simulation, Separation, Cryogenics, Component
• Source: Cryogenics 2017. Proceedings of the 14^th IIR International Conference: Dresden, Germany, Mai 15-19, 2017.
• Formats : PDF

The Quality Analysis and Deterioration Mechanism of Liquid Egg White during Storage.

• Author(s) : GUO D., PAN Q., HUANG Q., YI Y., WANG H., XU W.
• Publication date: 2022/03
• Languages : English
• Source: Applied Sciences - vol. 12 - n. 5
• Formats : PDF

Theoretical model for buoyancy-induced heat transfer deterioration under supercritical pressure.

• Author(s) : HE J., DANG C., HIHARA E.
• Publication date: 2018/07/09
• Languages : English
• Keywords : Supercritical state, Heat transfer, Deterioration, Reynolds, Modelling, Pressure
• Source: 2018 Purdue Conferences. 17^th International Refrigeration and Air-Conditioning Conference at Purdue.
• Formats : PDF

IIR document

Pressure-drop reduction and heat-transfer deterioration of slush nitrogen in triangular pipe flow.

• Author(s) : OHIRA K., OKUYAMA J., TAKAHASHI K., et al.
• 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

Pressure drop reduction and heat transfer deterioration of slush nitrogen in triangular and circular pipe flows.

• Author(s) : OHIRA K., KUROSE K., OKUYAMA J., et al.
• Publication date: 2016/12
• Languages : English
• Source: Cryogenics - vol. 81

Experimental and Numerical Study on Fan-Supplied Condenser Deterioration under Built-In Condition and Its Corresponding Refrigerator Performance.

• Author(s) : SUN Y., ZHAO R., YANG Y., HUANG D.
• Publication date: 2022/11
• Languages : English
• Source: Energies - vol. 15 - n. 22
• Formats : PDF

IIR document

The influence of waiting period before freezing on the sensory quality deterioration of fish meat caused by freezing.

• Author(s) : KOBAYASHI T., KOMINAMI Y., WATANABE M., et al.
• 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

A novel colorimetric sensor array for monitoring fresh pork sausages spoilage.

• Author(s) : SALINAS Y., ROS-LIS J. V., VIVANCOS J. L., et al.
• Publication date: 2014/01
• Languages : English
• Keywords : Sensor, Measurement, Deterioration, Monitoring, Fresh produce, Pork product
• Source: Food Control The International Journal of HACCP and Food Safety - vol. 35 - n. 1

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

Energy savings with every alteration: lessons learned in Seattle from 30 years of experience of applying energy standards to historic and existing buildings.

• Author(s) : HOGAN J.
• Publication date: 2014/02
• Languages : English
• Keywords : Standardization, Building, Deterioration, USA, Energy saving
• Source: 49^th AiCARR International Conference. Historical and existing buildings: designing the retrofit. An overview from energy performances to indoor air quality.
• Formats : PDF

Comportamiento de dos nuevas variedades de granada, Smith y Purple Queen®, durante la conservación a dos temperaturas.

Behaviour of two new pomegranate varieties, Smith and Purple Queen®, during storage at two temperatures.

• Author(s) : VALERO D., SERRANO M., GUILLÉN F., MARTÍNEZ-ROMERO D., ZAPATA P., GARCÍA-PASTOR M. E., CASTILLO S.
• Publication date: 2020/11/11
• Languages : Spanish
• Keywords : Fruit, Preservation, Chilling, Pomegranate, Deterioration, Expérimentation
• Source: X Congreso Ibérico y VIII Congreso Iberoamericano de Ciencias y Técnicas del Frío, CYTEF 2020.
• Formats : PDF

Impact of charge degradation on the life cycle climate performance of a residential air conditioning system.

• Author(s) : BESHR M., AUTE V., ABDELAZIZ O., et al.
• Publication date: 2014/07/14
• Languages : English
• Source: 2014 Purdue Conferences. 15th International Refrigeration and Air-Conditioning Conference at Purdue.
• Formats : PDF

Spoiling yeast control in refrigerated orange juice treated by thermosonication and cinnamon essential oil.

• Author(s) : SÁNCHEZ-RUBIO M., JÁCOME SILVA L. G., TABOADA-RODRÍGUEZ A., et al.
• Publication date: 2018/06/19
• Languages : English
• Source: CYTEF 2018. IX Congreso Ibérico y VII Congreso Iberoamericano de Ciencias y Técnicas del Frío, Valencia, España, 19-21 junio 2018.
• Formats : PDF

IIR document

Investigation of the variability in the measurement of cyclic degradation coefficient of air conditioning systems.

• Author(s) : DHUMANE R., QIU T., LING J., AUTE V., HWANG V., RADERMACHER R., KIRKWOOD A. C., ESFORMES J.
• Publication date: 2021/08
• Languages : English
• Keywords : Air conditioner, Performance, Cycle, Measurement, Deterioration, Simulation
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 128
• Formats : PDF

New air-conditioning system to protect the Sistine Chapel against deterioration.

Carrier is to supply a new air-conditioning system for the Sistine Chapel to help protect Michelangelo’s 16th century frescoes against deterioration.

• Publication date : 2014/07/18

Vaccines: a step towards thermostability

Ensilication of the protein molecules of a vaccine against tuberculosis prevents its deterioration by heat.

• Publication date : 2019/10/30
• Subjects: Developing country

Cooling to heal

Therapeutic hypothermia cools the body of patients who have suffered brain damage to a moderate temperature (between 32°C and 34°C) in order to slow the deterioration process.

• Publication date : 2014/11/24

Reducing post-harvest food losses in sub-Saharan Africa 

To strengthen the cold chain for fruit and vegetables in sub-Saharan Africa, sustainable measures and the use of precooling are recommended in a review article. 

• Publication date : 2022/12/15
• Subjects: Developing country

Reducing food waste: can we keep open canned sardines in the refrigerator?

Researchers from the University of Porto studied the shelf life at 4°C of open canned sardines, depending on the type of seasoning (sardines in brine, vegetable oil, tomato...

• Publication date : 2022/08/16
• Subjects: General information

Refrigeration innovations for the avocado market

The booming global avocado market calls for increasing standards of quality. Refrigeration technologies offer cutting-edge solutions for fruit ripening and seed preservation for future crops.

• Publication date : 2020/10/22

Refrigerated containers: state of play and perspectives

Refrigerated containers play an essential role in the maritime refrigerated transport sector; a look back at the stages of their development and the recent and future technological advances of this...

• Publication date : 2024/02/26
• Subjects: Technology

ColdHubs: Revolutionising Nigerian agriculture with solar-powered cold rooms and empowering farmers

ColdHubs, founded by Nnaemeka Ikegwuonu, provides walk-in solar-powered cold rooms to combat post-harvest crop spoilage among small-scale farmers in Nigeria through Cooling-as-a-Service (CaaS). Their latest...

• Publication date : 2024/05/30

Addressing gender and regional disparities in access to cooling

The annual Chilling Prospects report estimates that 1.12 billion poor people in rural and urban areas are at high risk due to a lack of access to cooling. 

• Publication date : 2023/09/25
• Subjects: Figures, economy, Developing country, General information

New process combining cryogenic freezing and MAP

Air Products Freshline® Superfresh is a new methodology which combines cryogenic freezing with modified atmosphere packaging (MAP) in a specific way to extend the life and quality of food products.

• Publication date : 2015/04/19

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

Out of the ordinary: Ötzi, the 5300-year-old iceman, has been reconstructed

Ötzi, the 5300-year-old iceman, has been reconstructed 20 years after he was found on a glacier in the Italian Alps. The reconstruction performed by Dutch artists Alfons and Adrie Kennis is on display at the Archaelogical Museum in Bolzano, Italy,...

• Publication date : 2011/06/09

India tests expose AC inefficiencies at higher temperatures

In India, air conditioners are responsible for peak energy consumption in urban districts.

• Publication date : 2017/01/27
• Subjects: Figures, economy

Windcatchers: the birth of air conditioning and natural refrigeration?

Windcatchers, which can reduce indoor temperatures by around 10°C and store water at near-freezing temperatures during summer months, have been used over centuries in many regions around the world.

• Publication date : 2018/11/22

Road to COP28. Achieving sustainable cold chains in low-to-middle-income countries

Successful implementation requires clear government strategy, financial support, close engagement with local communities and users, trainings for efficient use and maintenance, and...

• Publication date : 2023/06/27
• Subjects: Developing country, Technology

News from IIR members: Sofrigam

The number of drugs (e.g. targeted therapies, new vaccines, anti-diabetic drugs and blood derivatives) transported and kept at a controlled temperature is growing rapidly and these products are increasingly sensitive to temperature variations. In...

• Publication date : 2008/08/12

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

Cooling Keeps Food Fresh : Global Campaign Announced for World Refrigeration Day, June 26

Since 2019, June 26 celebrates the World Refrigeration Day. With increasing global stakes at hand over the past years, refrigeration took a leading role at the heart of international...

• Publication date : 2022/05/25
• Subjects: Environment

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 : English, French
• Themes : Freezing of foodstuffs