Search results

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
• Source: Applied Thermal Engineering - vol. 112

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
• 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
• Source: Applied Thermal Engineering - vol. 73 - n. 1

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
• Source: Energies - vol. 15 - n. 17
• Formats : PDF

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
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 76
• 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
• Source: Applied Thermal Engineering - vol. 116

IIR document

Design and operation of a thermal harshness test facility for electric motors in hermetic environments.

• Author(s) : LAWRENCE N., ELBEL S.
• 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

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
• Source: 13^th IIR Gustav Lorentzen Conference on Natural Refrigerants (GL2018). Proceedings. Valencia, Spain, June 18-20th 2018.
• 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
• Source: Holodil'na Tehnika i Tehnologiâ - vol. 50 - n. 5

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
• Source: Applied Thermal Engineering - vol. 114

Transient cooling effect analyses for a permanent-magnet synchronous motor with phase-change-material packaging.

• Author(s) : WANG S., LI Y., LI Y. Z., et al.
• Publication date: 2016/10/25
• Languages : English
• Source: Applied Thermal Engineering - vol. 109, part A

Thermal performance of oil spray cooling system for in-wheel motor in electric vehicles.

• Author(s) : LIM D. H., KIM S. C.
• Publication date: 2014/02
• Languages : English
• Source: Applied Thermal Engineering - vol. 63 - n. 2

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
• Source: Applied Thermal Engineering - vol. 94

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
• Source: Applied Thermal Engineering - vol. 111

Field testing of a transcritical organic Rankine cycle (ORC) engine coupled with concentrating photovoltaic thermal collectors.

• Author(s) : NIEUWENHUYSE J. van, SKIADOPOULOS A., MANOLAKOS D., LECOMPTE S., PAEPE M. de
• Publication date: 2022/07/10
• Languages : English
• Source: 2022 Purdue Conferences. 19^th International Refrigeration and Air-Conditioning Conference at Purdue.
• Formats : PDF

R1234yf as a working fluid in Organic Rankine Cycle systems

A recent review article presented the use of HFO R1234yf and its mixtures in Organic Rankine Cycle (ORC) systems, namely in applications for waste heat recovery from internal...

• Publication date : 2021/09/07
• Subjects: Technology

Refrigerated transport: innovations and challenges for sustainability

Review of the most promising technologies for refrigerated transport: vapour compression systems with natural refrigerants, photovoltaic systems with electrical energy storage,...

• Publication date : 2022/04/29
• Subjects: HFCs alternatives, Technology

Design and operation of district heating and cooling systems supplied by renewable energy sources

A report published by the European Commission analyses 8 efficient district heating and cooling systems in different Member States.  

• Publication date : 2021/03/29

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

Artemis I mission: cryogenic system failure delays launch

Due to a liquid hydrogen leak in the rocket's core stage, NASA is postponing the launch of the Artemis I mission until late September or October 2022. 

• Publication date : 2022/09/28
• Subjects: Technology

IIR 2023 conference in Ohrid: focus on CO2 heat pumps

As demonstrated at the last IIR conference in Ohrid , heat pumps are a potential development area for the use of CO2, in particular for the thermal management of electric vehicles. 

• Publication date : 2023/05/26
• Subjects: Technology

Solar heating and cooling: key trends and challenges

In 2020, the solar thermal energy yield amounted to 407 TWh, which correlates to savings of 43.8 million tons of oil and 141.3 million tons of CO2. Although still only a niche market, solar cooling...

• Publication date : 2021/09/07

Earth-to-air heat exchanger for air conditioning in a Colombian tropical weather

In a recent theoretical study, a passive cooling system using an earth-to-air heat exchanger (EAHE) was modelled for the Colombian tropical weather.

• Publication date : 2021/08/02
• Subjects: Developing country, Technology

Cooling solutions for hybrid electric aircraft

The electrification of aircraft propulsive systems requires specific cooling technologies as part of the decarbonation of the aviation industry. A recent review article presents...

• Publication date : 2023/08/25
• Subjects: Technology

Latest research on ammonia-based absorption refrigeration systems

A recent article has reviewed literature on absorption chillers that use ammonia as a refrigerant, along with water (H2O), lithium nitrate (LiNO3), and lithium nitrate + water...

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

Novel catalysts to address overheating in hypersonic aircraft

Researchers at Australia's RMIT University have developed 3D-printed catalysts to address the challenge of overheating in hypersonic aircraft and possibly other industrial...

• Publication date : 2021/10/22
• Subjects: Technology

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

Automotive air conditioning: which refrigerant for electric cars?

Different alternatives exist today to replace R134a in automotive air conditioning systems. Update on possible solutions for electric cars. 

• Publication date : 2022/09/28
• Subjects: HFCs alternatives

5th generation district heating and cooling networks in Europe

A recent generation of district heating and cooling networks is developing in Europe, using low temperature renewable energy heat sources (such as shallow...

• Publication date : 2022/02/28
• Subjects: Technology

Reclaiming waste heat from ice rinks’ refrigeration systems to save energy

Several studies and recent cases studies show that heat recovery from the refrigeration system is the biggest energy-saving measure in ice rinks.

• Publication date : 2023/10/23
• Subjects: Technology

New IIR Working Group “Electric vehicle thermal management systems”

This new working group, which focuses on a topical theme, is headed by Xianting Li, new President of Section E.

• Publication date : 2023/10/26

See you at the 16th IIR-Gustav Lorentzen Conference on Natural Refrigerants 2024

The next IIR-Gustav Lorentzen conference will take place from 11 to 14 August 2024 at the University of Maryland - College Park (Maryland), USA.

• Publication date : 2023/06/22
• Subjects: Environment, General information, HFCs alternatives

15th IIR-Gustav Lorentzen Conference, June 13-15, 2022: the detailed programme is now available!

The detailed program of the 15th IIR Gustav Lorentzen Conference on Natural Refrigerants is now available online.

• Publication date : 2022/05/16
• Subjects: HFCs alternatives

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

Technical visit to the Tokyo fish market

At the ICCC conference last June, attendees had the opportunity to participate in technical visits, including a tour of the Tokyo fish market. Alain Le Bail, President of IIR Commission C2, joined the visit and...

• Publication date : 2024/11/15

ENOUGH – a new project that will identify how food industry can become net zero by 2050

The project will develop technologies, tools and methods to contribute to the EU’s farm to fork Strategy to achieve climate neutrality in the food industry.

• Publication date : 2021/10/29

IIR wins ECREEE Award for solar cooling and heating efforts in Africa with SophiA

The ECOWAS Sustainable Energy Forum took place in Abidjan, Côte d’Ivoire on November 28-29. The IIR organised a SophiA workshop and was honoured with an ECREEE Award for its outstanding contribution to...

• Publication date : 2024/12/13

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 : 2023/06/23
• Langues : French, English
• Themes : LNG and LPG

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