Search results

Noise and vibration attenuation in piping systems.

• Author(s) : THAU L.
• Publication date: 2014/05
• Languages : English
• Keywords : Noise, Generality, Vibration, Piping, Design, Recommendation
• Source: Air Conditioning and Refrigeration Journal - vol. 17 - n. 3
• Formats : PDF

IIR document

An update on refrigeration piping design in New Zealand.

• Author(s) : ODEY M.
• Publication date: 2016/04/07
• Languages : English
• Keywords : Standardization, New Zealand, Generality, Safety, Piping, Design
• Source: 4^th IIR International Conference on Sustainability and the Cold Chain. Proceedings: Auckland, New Zealand, April 7-9, 2016.
• Formats : PDF

Mathematical simulation of the freezing time of water in small diameter pipes.

• Author(s) : MCDONALD A., BSCHADEN B., SULLIVAN E., et al.
• Publication date: 2014/12
• Languages : English
• Keywords : Pipe, Modelling, Water, Freezing time
• Source: Applied Thermal Engineering - vol. 73 - n. 1

Analysis and control of severe vibration of a screw compressor outlet piping system.

• Author(s) : ZHAO Y., ZHAO B., ZHOU Q., et al.
• Publication date: 2016/07/11
• Languages : English
• Keywords : Vibration, Piping, Expérimentation, Acoustics, Screw compressor
• Source: 2016 Purdue Conferences. 23^rd International Compressor Engineering Conference at Purdue.
• Formats : PDF

IIR document

Fundamental study on continuous pipe transportation of ice slurry.

• Author(s) : ASAOKA T., HOSHINA D.
• Publication date: 2019/08/24
• Languages : English
• Keywords : Pipe, Ice slurry, Tube, Transport, Particle, Expérimentation
• Source: Proceedings of the 25^th IIR International Congress of Refrigeration: Montréal , Canada, August 24-30, 2019.
• Formats : PDF

IIR document

Mechanical integrity for piping and vessels in industrial refrigeration systems.

• Author(s) : REINDL D., DETTMERS D. J.
• Publication date: 2015/08/16
• Languages : English
• Keywords : Refrigerating system, Pipe, Industrial application, Mechanical property, Tank, Ammonia, Corrosion, Container, Refrigerant
• Source: Proceedings of the 24th IIR International Congress of Refrigeration: Yokohama, Japan, August 16-22, 2015.
• Formats : PDF

IIR document

Numerical simulation on the flow behavior of ice slurry in piping systems.

• Author(s) : LIU S., HAO L.
• Publication date: 2015/08/16
• Languages : English
• Keywords : Ice slurry, Piping, Simulation, Flow
• Source: Proceedings of the 24th IIR International Congress of Refrigeration: Yokohama, Japan, August 16-22, 2015.
• Formats : PDF

Analytical solution to steady-state temperature field for straight-row-piped freezing based on superposition of thermal potential.

• Author(s) : HU X. D., YU J., REN H., et al.
• Publication date: 2017/01/25
• Languages : English
• Keywords : Thermal analysis, Pipe, Temperature, Ground freezing, Construction
• Source: Applied Thermal Engineering - vol. 111

IIR document

The challenges of refrigeration piping compliance in a seismic environment.

• Author(s) : ODEY M.
• Publication date: 2015/04/16
• Languages : English
• Keywords : New Zealand, Generality, Safety, Piping, Design, Control (automatic), Refrigerating plant
• Source: 6^th Conference on Ammonia and CO2 Refrigeration Technology. Proceedings: Ohrid, North Macedonia, April 16-18, 2015.
• Formats : PDF

Transient thermal performance of ice slurries pumped through pipes.

• Author(s) : QUARINI G., AISLIE E., ASH D., et al.
• Publication date: 2013/01
• Languages : English
• Keywords : Pipe, Ice slurry, Prediction, Pump, Performance, Melting, Change of phase
• Source: Applied Thermal Engineering - vol. 50 - n. 1

The advantages and suitability of mechanical piping systems for refurbishment and maintenance of existing and historic buildings.

• Author(s) : SANTORO S.
• Publication date: 2014/02
• Languages : English
• Keywords : Seal, Building, Piping, Pump, Retrofitting, Air conditioning, Heating
• Source: 49^th AiCARR International Conference. Historical and existing buildings: designing the retrofit. An overview from energy performances to indoor air quality.
• Formats : PDF

Investigation of pressure drop in refrigerant pipes of an automotive air conditioning system.

• Author(s) : MEINERT R., SCHMITZ G.
• Publication date: 2021/05
• Languages : English
• Keywords : Mobile air conditioning, Pressure drop, Test rig, Car, CFD, Simulation, R1234yf, Pipe
• Source: 2021 Purdue Conferences. 18^th International Refrigeration and Air-Conditioning Conference at Purdue.
• Formats : PDF

IIR document

A new self-driven loop heat pipe used in HVAC systems: feasibility analysis.

• Author(s) : YANG X., ZHANG P., LI X., et al.
• Publication date: 2019/08/24
• Languages : English
• Keywords : Two-phase flow, Thermodynamics, Heat pipe, Loop, Heat transfer, Thermosyphon, Simulation, Performance
• Source: Proceedings of the 25^th IIR International Congress of Refrigeration: Montréal , Canada, August 24-30, 2019.
• Formats : PDF

Design and validation of an adjustable dynamic vibration absorber for piping vibration suppression in skid mounted compressor unit.

• Author(s) : LIU C., NI J., WEN J., et al.
• Publication date: 2018/07/09
• Languages : English
• Keywords : Vibration, Piping, Resonance, Valve (compressor), Simulation, Modelling, Reciprocating compressor, Absorber
• Source: 2018 Purdue Conferences. 24^th International Compressor Engineering Conference at Purdue.
• Formats : PDF

Thermal performance and moisture accumulation of mechanical pipe insulation systems operating at below ambient temperature in wet conditions with moisture ingress.

• Author(s) : ZHU W., CAI S., CREMASCHI L.
• Publication date: 2014/07/14
• Languages : English
• Keywords : Thermal conductivity, Pipe, Energy consumption, Temperature, Humidity, Expérimentation, Insulation, Condensation
• Source: 2014 Purdue Conferences. 3rd International High Performance Buildings Conference at Purdue.
• Formats : PDF

New HFO/CO2 blends in the pipeline

The refrigeration and air-conditioning sector has long been divided into two distinct camps, that promoting natural refrigerants and that developing low-GWP fluorocarbons. But could this be about to change?

• Publication date : 2013/03/04

A free guide for copper pipework support and routing

The IoR published a bulletin providing guidance on pipework support methods for copper pipework designed to contain refrigerant.

• Publication date : 2017/05/22

CO2 heat pump with variable-displacement compressor/expander in the pipeline

This CO2 heat pump will use oil-free variable-load compressor and variable expander technology, currently tested at Purdue University’s Herrick Laboratories.

• Publication date : 2014/01/09

Latest news on LNG and bio-LNG infrastructure projects in the pipeline

At the beginning of 2022, several LNG or bio-LNG projects are underway. 

• Publication date : 2022/01/28
• Subjects: Technology, Developing country

Out of ordinary: Biodegradable zippers

Zip-Pak presented a new range of biodegradable zippers at the Anuga Food Tec Exhibition in Cologne in April 2006. Manufacturers can now specify zip-closed degradable packaging that is ideal for produce, nuts, breads and cheeses. The zippers are...

• Publication date : 2006/07/26

Briefs: First zipper for meat in Europe

SPIS Grilstad is using re-sealable Zip-Pak packaging for its deli meat products and its market share has risen from 18% to 75%. Zip-pak's re-sealable devices have already been used in the US but are new to Europe. A recent study performed a...

• Publication date : 2008/08/12

Fuel cell vehicles (FCVs) equipped with CO2 air-conditioning systems

In most automotive air-conditioning systems, fluid, heated by the engine, is circulated through the heater to warm the passenger compartment. However, in FCVs and electric vehicles, a heat source is lacking, as they do not have an internal...

• Publication date : 2004/05/25

Briefs: Fuel cell vehicles (FCVs) equipped with CO2 air-conditioning systems

In most automotive air-conditioning systems, fluid, heated by the engine, is circulated through the heater to warm the passenger compartment. However, in FCVs and electric vehicles, a heat source is lacking, as they do not have an internal...

• Publication date : 2004/07/27

HACCP food safety plans must be improved

HACCP has the top non-conformity figures globally across certified sites, according to a British Retail Consortium (BRC) report.

• Publication date : 2014/02/19

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

New refrigerant leak detection and isolation technology.

Toshiba has introduced a system which will automatically isolate a specific section of air conditioning pipework in the event of a leak.

• Publication date : 2014/04/17

Geothermal heat-pump under supermarket car park

Walmart’s new 12,540 m² prototype store in Burlington, ON, Canada is equipped with a geo-heat exchange heating and cooling system using 15 km of pipes under the store’s parking lot.

• Publication date : 2014/04/16

Plans for a floating LNG factory

This new type of floating factory could give access to off-shore reserves, without the use of long and expensive ocean-bed pipelines

• Publication date : 2012/04/23

Underground river to cool the London tube

The "Cooling the Tube" competition in 2003, promising GBP 100 000 to those finding a workable solution to cool the Tube, received 3400 entries. Modern systems with large tunnels and surface lines can be cooled using air-cooling systems. However,...

• Publication date : 2005/02/11

Briefs: Chip cooling innovations

IBM researchers demonstrated a prototype that integrates a computer chip cooling system into 3-dimensional stacks by piping water directly between each layer in a chip stack. These so-called 3D chip stacks, which take chips and memory devices that...

• Publication date : 2010/05/27

International events: Taipei

ACRA 2009 (4th Asian Conference on Refrigeration and Air Conditioning) was held in Taipei, Taiwan, on May 20-22, 2009. With 198 attendees from 10 countries and 135 papers presented, this fourth edition confirmed the ongoing success of this series...

• Publication date : 2009/08/13

Philippe Lebrun received the Mendelssohn Award.

Philippe Lebrun, President of the IIR’s General Conference, received the prestigious Mendelssohn Award conferred by the International Cryogenic Engineering Committee on March 11, 2016.

• Publication date : 2016/03/16

Appointments: Dr Philippe Lebrun

Dr Philippe Lebrun was awarded an honorary doctorate by Wroclaw University of Technology (Poland), where he was invited to deliver the inaugural lecture of the academic year 2007-2008, entitled "Advanced technology from and for basic science:...

• Publication date : 2008/02/12

Philippe Lebrun awarded the Samuel C. Collins Award

Philippe Lebrun, President of IIR Section A “Cryogenics and liquefied gases” and member of the IIR Management Committee, has just received the prestigious Samuel C. Collins Award.

• Publication date : 2015/07/10

CLIM'ECO workshop in Guadeloupe with skipper Victor Jost  

CLIM'ECO ambassador and Route du Rhum skipper Victor Jost arrived in Guadeloupe on 28th November. The next day, a CLIM'ECO workshop was organised by the SIGF (Guadeloupean refrigeration workers'...

• Publication date : 2022/12/13

Briefs: Philippe Lebrun is “Engineer of the Year”

Philippe Lebrun, a member of the Management Committee of the IIR and Head of Section A of the IIR (Cryology and Gas Processing), was awarded the "Prix Ingénieur de l'Année 2010" in the "Science" category, by the French magazine Usine...

• Publication date : 2011/02/07

Philippe Lebrun to be awarded the Kamerlingh Onnes Medal of Honour

The Kamerlingh Onnes Medal of Honour will be presented to Dr Philippe Lebrun of CERN during the 10th-IIR Gustav Lorentzen Conference on Natural Working Fluids to be held in Delft, the Netherlands on June 25-27, 2012.

• Publication date : 2012/05/16

Join the FRISBEE Demonstration Day!

On August 29, 2014, for the official closing of FRISBEE, the consortium will hold a “FRISBEE Demonstration Day”

• Publication date : 2014/07/30

The IIR takes part in a UNIDO project

The IIR has been successful to a UNIDO call for proposals to assess the incremental and operating cost for improved Energy Efficiency in retail refrigeration in Jordan and Tunisia.

• Publication date : 2018/10/18
• Subjects: Environment, Developing country, General information

The IIR announces role in European "REAL Alternatives" programme.

The International of Refrigeration is pleased to announce its role in a new European learning programme “REAL Alternatives” that will address skills shortages amongst technicians working in the refrigeration, air conditioning and heat pump sector.

• Publication date : 2013/12/01

The IIR at 34th OEWG in Paris

This week the IIR attended the 34th Meeting of the Open-Ended Working Group of the Parties to the Montreal Protocol.

• Publication date : 2014/07/18

World Refrigeration Day 2021: Join the “Cool Careers” webinars  

Save the date! Participate in a World Refrigeration Day webinar in June. 

• Publication date : 2021/05/27

Take part in the survey: women in RACHP

Are you a woman working in the Refrigeration, Air-Conditioning and Heat Pumps sector? We would like to understand the motivation, challenges and opportunities faced...

• Publication date : 2021/12/21

Propose a workshop and be part of ICR 2023

Do you have an idea for a workshop you would like to organise during the 26th IIR International Congress of Refrigeration 2023? Share it with the international refrigeration community.

• Publication date : 2023/01/23
• Subjects: General information

Early bird registration is now open for the IIR Congress 2023

The 26th IIR International Congress of Refrigeration will be the event of the year not to be missed!  Participate to share the latest...

• Publication date : 2023/02/17

Additive manufacturing of heat exchangers

In the refrigeration industry, additive manufacturing (colloquially referred to as “3D printing”) makes it possible to fabricate novel, complex and potentially more energy efficient...

• Last update : 2022/09/07
• Langues : French, English
• Themes : Evaporators, condensers and other heat exchangers

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 : 2022/06/20
• Langues : French, English
• Themes : LNG and LPG

Cryogenics in the pharmaceutical industry: drug design and bioavailability improvement

Research activities in the pharmaceutical sector focus primarily on developing novel drug formulations which can elicit the desired response upon being administered to the patient...

• Last update : 2023/03/10
• Langues : French, English
• Themes : Freeze-drying in biology and medicine, Cryobiology, cryomedicine: general information

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)

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

For IIR members only

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 : 2022/10/12
• Langues : French, English
• Themes : Ice creams