Search results

Smart cooling system of the double loop coolant structure with engine thermal management modeling.

• Author(s) : KANG H., ANH H., MIN K.
• Publication date: 2015/03/25
• Languages : English
• Keywords : Thermal analysis, Refrigerating system, Engine, Modelling, Secondary refrigerant
• Source: Applied Thermal Engineering - vol. 79

A thermal performance factor for evaluation of active engine cooling with asymmetric heating.

• Author(s) : XU K., RUAN B., MENG H.
• Publication date: 2014/12
• Languages : English
• Keywords : Thermal analysis, Channel, Heat transfer, Design, Cooling, Performance, Engine, Flow
• Source: Applied Thermal Engineering - vol. 73 - n. 1

IIR document

Exergy analysis of electrically- and thermally-driven engines to drive heat pumps: An exhaustive comparative study.

• Author(s) : ALLY M. R., SHARMA V., ABDELAZIZ O.
• Publication date: 2017/04
• Languages : English
• Keywords : Thermodynamics, Exergy, Measurement, Sorption, Heat pump, Ground-source system, Thermal engine, Electric motor, Compression
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 76
• Formats : PDF

Thermal nexus model for the thermal characteristic analysis of an open-type air-cooled induction motor

• Author(s) : KIM C., LEE K. S.
• Publication date: 2017/02/05
• Languages : English
• Keywords : Thermal property, Cold air, Engine, Modelling, Induction
• Source: Applied Thermal Engineering - vol. 112

Improving Thermal Efficiency of Internal Combustion Engines: Recent Progress and Remaining Challenges.

• Author(s) : DAHHAM R. Y., WEI H., PAN J.
• Publication date: 2022/09
• Languages : English
• Keywords : Efficiency, Combustion, Engine, Thermodynamic cycle, Organic Rankine cycle, Car, Review
• Source: Energies - 15 - 17
• Formats : PDF

Thermoeconomical method of analysis of efficiency of air cooling at engine intake by waste heat recovery cooling machines.

[In Ukrainian. / En ukrainien.]

• Author(s) : RADCHENKO A. N.
• Publication date: 2014/05
• Languages : Ukrainian
• Keywords : Thermal analysis, Cooling, Heat recovery, Pressurization, Performance, Thermal engine, Waste heat
• Source: Holodil'na Tehnika i Tehnologiâ - vol. 50 - n. 5

A three-dimensional CFD simulation study to reduce heat stress in ships.

• Author(s) : PEREZ J. A., OROSA J.A., GRUEIRO T.
• Publication date: 2016/02/05
• Languages : English
• Keywords : Thermal analysis, Heat, Ship, CFD, Machine room, Simulation, Engine
• Source: Applied Thermal Engineering - vol. 94

IIR document

Ammonia as natural refrigerant in electrically and thermally driven engines for heat pumps.

• Author(s) : ALLY M. R., SHARMA V., ABDELAZIZ O.
• Publication date: 2018/06/18
• Languages : English
• Keywords : Thermodynamics, Exergy, Ammonia, Heat pump, Engine, Modelling, Energy efficiency
• Source: 13^th IIR Gustav Lorentzen Conference on Natural Refrigerants (GL2018). Proceedings. Valencia, Spain, June 18-20th 2018.
• Formats : PDF

Study of different cooling structures on the thermal status of an Internal Combustion Engine.

• Author(s) : CHEN X., YU X., LU Y., et al.
• Publication date: 2017/04
• Languages : English
• Keywords : Cooling, Engine, Modelling, Engine cylinder, Combustion
• Source: Applied Thermal Engineering - vol. 116

Thermodynamic analysis of an absorption refrigeration system used to cool down the intake air in an Internal Combustion Engine.

• Author(s) : NOVELLA R., DOLZ V., MARTÍN J., et al.
• Publication date: 2017/01/25
• Languages : English
• Keywords : Thermal analysis, Cooling, Ammonia-water, Absorption, Engine, Modelling, Expérimentation, Diesel
• Source: Applied Thermal Engineering - vol. 111

IIR document

Modeling and simulation of a thermomagnetic reciprocating engine by gravity.

• Author(s) : SOUZA A. C., EVARISTO E., COLMAN F. C., et al.
• Publication date: 2016/09/11
• Languages : English
• Keywords : Thermal property, Magnetocaloric material, Heat transfer, Simulation, Magnetic property, Plate, Engine
• Source: 7^th International Conference on Magnetic Refrigeration at Room Temperature (Thermag VII). Proceedings: Turin, Italy, September 11-14, 2016.
• Formats : PDF

Thermal performance of a diffusion absorption refrigeration system driven by waste heat from diesel engine exhaust gases.

• Author(s) : ALY W. I. A., ABDO M., BEDAIR G., et al.
• Publication date: 2017/03/05
• Languages : English
• Keywords : Refrigerator, Heat recovery, Absorption system, Performance, Engine, Expérimentation, Energy saving, Diesel
• Source: Applied Thermal Engineering - vol. 114

IIR document

Thermal and economic analysis of an energy system of an ORC coupled with vehicle air conditioning.

• Author(s) : YUE C., YOU F., HUANG Y.
• Publication date: 2016/04
• Languages : English
• Keywords : Thermal analysis, Rankine, Car, Heat recovery, Pressurization, Engine, Energy efficiency, Air conditioning
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 64
• Formats : PDF

Effect of hydro-thermal behavior on the frost heave of a saturated silty clay under different applied pressures.

• Author(s) : ZHANG X., ZHANG M., LU J., et al.
• Publication date: 2017/05/05
• Languages : English
• Keywords : Thermal analysis, Saturation, Civil engineering, Building, Pressure, Ground freezing, Expérimentation, Water, Cold climate
• Source: Applied Thermal Engineering - vol. 117

IIR document

Extending the autonomy time of an icelined solar powered vaccine cooler.

• Author(s) : JENSEN J. K., BUSK C., CORDING C., et al.
• Publication date: 2019/08/24
• Languages : English
• Keywords : Vaccine, Ice, Heat transfer coefficient, Cabinet, Biot, Cooling, Modelling, Solar energy, Thermal energy storage
• Source: Proceedings of the 25^th IIR International Congress of Refrigeration: Montréal , Canada, August 24-30, 2019.
• Formats : PDF

A review of current status of free cooling in data centres

A study published in Applied Thermal Engineering reviews current status of the free cooling technologies in data centres

• Publication date : 2017/09/19

Thermal comfort in commercial buildings

An article published by Consulting Specifying Engineer focuses on the factors to consider when providing thermal comfort in commercial buildings.

• Publication date : 2017/07/05

Performance comparison of R1234yf and R134a

A study published in Applied Thermal Engineering compares the performance of HFC-134a and HFO-1234yf as drop-in alternative in automotive air conditioning systems.

• Publication date : 2017/05/24

Heat pump systems for HVAC in electric vehicles

Heat pump systems offer an energy efficient option for HVAC in electric vehicles. Recent studies present innovative technologies to further improve the heating and cooling performance of heat pump systems as...

• Publication date : 2021/01/27
• Subjects: HFCs alternatives

ASHRAE Technology Awards: winning project features green design

The ASHRAE Technology Awards recognize outstanding achievements by members who have successfully applied innovative building design in the areas of occupant comfort, indoor air quality (IAQ) and energy conservation. The designs incorporate ASHRAE...

• Publication date : 2005/06/14

An ejector refrigeration system optimised for sub-zero temperatures on fishing vessels

Large amounts of diesel fuel are used to power fishing vessels engines and on-board refrigeration systems. In a recent theoretical study, an energy-efficient sub-zero refrigeration system proposed based on a...

• Publication date : 2021/05/31
• Subjects: Technology

An award-winning industrial dairy using an integrated heat pump system

A recent case study examined the energy consumption and system performance of an innovative integrated heat pump system of a dairy located in Norway. This dairy was among the winning projects of the 2019 “Heat...

• Publication date : 2021/03/29
• Subjects: Environment, Technology

New evaporative cooling system for more energy efficient data centres

A dew point cooling system, which is an indirect evaporative cooling system that approaches the dew point, has reduced the electricity consumption of a UK data centre by 80%. 

• Publication date : 2021/12/15
• Subjects: Technology

Efficient mine cooling

Bluhm Burton Engineering (BBE) is currently implementing energy management ventilation and refrigeration systems for mines to reduce overall and to manage energy consumption. BBE's Director, Raymond Funnell, has underscored that there is a boom in...

• Publication date : 2008/05/13

Energy saving initiatives for cooling in data centres

In January 2021, Europe’s leading cloud and data centre operators signed the Climate Neutral Data Centre Pact, a self-regulatory initiative to become climate neutral by 2030. According to recent studies, free...

• Publication date : 2021/02/25
• Subjects: Environment, Technology

Impact of ageing on the energy efficiency of refrigerating household appliances

A recent study shows an average increase in energy consumption of 11% after 2 years of operation and 27% after 16 years for these appliances. Ageing wall insulation and door gasket contribute to this...

• Publication date : 2022/02/28

Energy efficiency comparison of air-conditioning systems in electric vehicles

A study compares the energy efficiency of conventional refrigeration systems with that of heat pumps in mobile air conditioning. R744, R134a and R1234yf are considered. Reversible heat pumps are found the most energy-efficient systems.

• Publication date : 2019/02/28

Absorption: triple efficiency

The world's first triple-effect absorption chiller-heater with a cooling COP (higher calorific value basis) of 1.6 was released in October of last year by Kawasaki Thermal Engineering. This system consists of an ordinary double-effect lithium...

• Publication date : 2006/01/28

Nanotechnology applications: Nanopackaging

Nanopackaging market worth billions Global sales of nanotechnology-related products approached 739 million € last year, and the food packaging industry could be worth as much as 22 billion €, according to a new study that provides an insight into...

• Publication date : 2007/08/05

Green cooling solutions for the Olympics

VANOC, the Vancouver Organizing Committee (www.Vancouver2010.com), claims that these Olympics are the greenest ever and there are whole lists of environmentally friendlier features in the venues. And...

• Publication date : 2010/02/19

ICR 2011 in Prague: a Resounding Success

The 23rd IIR International Congress of Refrigeration held in Prague, on August 21-26, 2011, was highly successful...

• Publication date : 2011/08/30

New EU funded project began on October 1st, 2021: “SophiA - Sustainable off-grid solutions for pharmacies and hospitals in Africa”

With a budget of 8 million euros over four years, SophiA will develop containerized solutions for hospitals using natural refrigerants, solar thermal and photovoltaics to enable more and more African people to...

• Publication date : 2021/10/21
• Subjects: Developing country, HFCs alternatives, Technology, Environment

EU project ENOUGH offers PhD scholarship at CNR-ITC in Padova (Italy)

A PhD scholarship will be offered as part of the Horizon 2020 project ENOUGH. The European project will aim to provide technologies, tools and methods to contribute to the EU Farm to Fork strategy to achieve...

• Publication date : 2022/02/15
• Subjects: Technology, Environment

Activities of the IIR’s Commission A2 on Liquefaction and Separation of Gases

The problems related to thermodynamic optimization and new technologies in liquefaction and separation of gases are actual and critical for many branches of modern industry, power generation and medicine.

• Publication date : 2014/03/07

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

New IIR Informatory Note on automotive air conditioning

The latest IIR Informatory Note presents recent technological trends in automotive air conditioning, in particular for electric cars, and outlines the challenges in terms of energy efficiency and CO2...

• Publication date : 2022/10/27

Discover the 33rd IIR Informatory Note on "Cogeneration/Trigeneration"

This Informatory Note discusses the operating principles of cogeneration and trigeneration as well as their advantages and challenges.

• Publication date : 2017/01/17

Download the new IIR Informatory Note on Solar Cooling

Solar cooling may have a very positive environmental impact reducing the usage of fossil fuel, and the technology is almost mature enough to compete with conventional cooling equipment.

• Publication date : 2017/05/15

The IIR at the heart of magnetic refrigeration

Magnetic refrigeration technology proves more alluring than ever: conferences, workshops and research projects continue to make waves.

• Publication date : 2015/03/25

A new version of the ATP Agreement

The new version on the international carriage of perishable foodstuffs and on the special equipment to be used for such carriage became effective from 30 September 2015. The IIR was involved in this process thanks to its Commission D2...

• Publication date : 2015/10/20

Spotlight on Commission B2: at the forefront of refrigerating equipment

Coordinated by the IIR Science and Technology Council, Commission B2 focuses on promoting knowledge of refrigerating equipment technologies and their applications worldwide.

• Publication date : 2015/05/15

CEEE Hosts International Conference THERMAG - IX 2021

More than 200 people from around the world attended the THERMAG - IX June 7-11, 2021 hosted by The Center for Environmental Energy Engineering at University of Maryland, College Park (US).

• Publication date : 2021/07/20
• Subjects: Technology

Call for abstracts now open: 10th IIR Conference on Caloric Cooling and Applications of Caloric Materials (Thermag 2022)

To be hosted by the University of Ljubljana – Faculty of Mechanical Engineering this August, the call for abstracts has been launched for the 10th edition of the IIR Thermag conference...

• Publication date : 2022/01/21
• Subjects: Technology

Focus on the last events in June 2021

In June 2021, the IIR organised two conferences: Thermag and HFO. It also participated in the European Conferences on the latest technologies in refrigeration and air conditioning organised by Centro Studi...

• Publication date : 2021/06/29

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)

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

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

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

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