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Investigation on a ground source heat pump system integrated with renewable sources.

• Author(s) : QIAN D., NIU F., KAVANAUGH S., et al.
• Publication date: 2016/07/11
• Languages : English
• Keywords : Renewable energy, Green building, Heat pump, Performance, Ground-source system, Solar energy
• Source: 2016 Purdue Conferences. 4^th International High Performance Buildings Conference at Purdue.
• Formats : PDF

Ground source heat pump systems for energy efficient building retrofitting.

• Author(s) : LAUERMANN M., EMHOFER J., OCHSNER K.
• Publication date: 2021/08/31
• Languages : English
• Keywords : Geothermy, Retrofitting, Ground-source system, Heat pump, Energy efficiency, Older building, Low GWP, Simulation, Thermodynamic cycle, Heating
• Source: 13^th IEA Heat Pump Conference 2021: Heat Pumps – Mission for the Green World. Conference proceedings [full papers]
• Formats : PDF

Numerical analysis of energy and entransy regarding vertical borehole heat exchangers in ground-source heat pump systems.

• Author(s) : SONG X., ZHANG L., QIAN H., et al.
• Publication date: 2017/07/20
• Languages : English
• Keywords : Borehole, Heat pump, Performance, Ground-source system, Modelling, Heat exchanger
• Source: 8th international conference on compressors and refrigeration, 2017.
• Formats : PDF

Numerical simulation of horizontal spiral-coil ground source heat pump system: Sensitivity analysis and operation characteristics.

• Author(s) : LI C., MAO J., ZHANG H., et al.
• Publication date: 2017/01/05
• Languages : English
• Keywords : Operation, Coil, Heat pump, Performance, Ground-source system, Modelling, Thermal load
• Source: Applied Thermal Engineering - vol. 110

Heating and cooling performance of a minitype ground source heat pump system.

• Author(s) : ZHAI X. Q., CHENG X. W., WANG R. Z.
• Publication date: 2017/01/25
• Languages : English
• Keywords : China, Building, Cooling, Ground, Heat pump, Performance, Ground-source system, Expérimentation, Case study, Energy saving, Heating
• Source: Applied Thermal Engineering - vol. 111

Experiments on part load performance of ground source variable refrigerant flow system in winter.

[In Chinese. / En chinois.]

• Author(s) : YAN L., ZHANG X., ZHAO D., et al.
• Publication date: 2015/02
• Languages : Chinese
• Keywords : Winter, Variable volume, Energy consumption, Performance, Ground-source system, Expérimentation, Refrigerant, Part load
• Source: Journal of Refrigeration - vol. 36 - n. 161
• Formats : PDF

IIR document

Performance analysis of an R744 ground source heat pump system with air-cooled and water-cooled gas coolers.

• Author(s) : HU H., EIKEVIK T. M., NEKSA P., et al.
• Publication date: 2016/03
• Languages : English
• Keywords : Geothermy, Gas cooler, R744, Air, Heat pump, Performance, Ground-source system, Water, CO2
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 63
• Formats : PDF

Development of LNG Vaporization Systems Applying Hybrid Ground Source Heat Pumps Combined Ground Heat Exchangers with Air-water Heat Exchangers.

• Author(s) : KATSURA T., SHOJI Y., AKAI H., NAGANO K., SHISHIDO J., ISHIKAWA M., YASHIMA Y., TANIFUJI K.
• Publication date: 2021/08/31
• Languages : English
• Keywords : Hybrid system, LNG, Ground-source system, Air-water, Heat exchanger, Expérimentation, COP, Seasonal performance, Energy consumption, Heat pump
• Source: 13^th IEA Heat Pump Conference 2021: Heat Pumps – Mission for the Green World. Conference proceedings [full papers]
• Formats : PDF

Performance analysis of ground source heat pump system with vertical borehole heat exchangers affected by rapid groundwater flow.

• Author(s) : CHAE H., NAGANO K., SAKATA Y., KATSURA T., KONDO T.
• Publication date: 2021/08/31
• Languages : English
• Keywords : Heat exchanger, Borehole, Ground-source system, Performance, COP, Ground-water, Cooling, Heating, Calculation, Modelling
• Source: 13^th IEA Heat Pump Conference 2021: Heat Pumps – Mission for the Green World. Conference proceedings [full papers]
• Formats : PDF

IIR document

Modeling and analysis of ground-source heat pump system on low GWP refrigerants for domestic applications.

• Author(s) : OSTAPENKO O., YAKOVLEVA O., KHMELNIUK M., et al.
• Publication date: 2017/09/06
• Languages : English
• Keywords : Household application, Exergy, Low GWP, Heat pump, Ground-source system, Modelling, Solar energy, Energy efficiency, Refrigerant
• Source: Compressors 2017: 9^th International Conference on Compressors and Coolants.
• Formats : PDF

IIR document

Design and optimized operational strategy of a district cooling and heating system based on ground source heat pumps.

• Author(s) : HU T., JIANG Y., XIE X.
• Publication date: 2018/06/18
• Languages : English
• Keywords : China, Building, District cooling, Simulation, Heat pump, Ground-source system, District heating, Thermal energy storage
• Source: 13^th IIR Gustav Lorentzen Conference on Natural Refrigerants (GL2018). Proceedings. Valencia, Spain, June 18-20th 2018.
• Formats : PDF

Three Years’ Performance Monitoring of a Mixed-Use Ground Source Heat Pump System in Stockholm.

• Author(s) : SPITLER J. D., GEHLIN S.
• Publication date: 2021/08/31
• Languages : English
• Keywords : Ground-source system, Domestic heat pump, Domestic water, Heating, Hot water, Performance, COP, Seasonal performance, Case study, Sweden
• Source: 13^th IEA Heat Pump Conference 2021: Heat Pumps – Mission for the Green World. Conference proceedings [full papers]
• Formats : PDF

Investigation on thermal performance of steel heat exchanger for ground source heat pump systems using full-scale experiments and numerical simulations.

• Author(s) : CAO J. S., KONG X. R., ZHANG W., et al.
• Publication date: 2017/03/25
• Languages : English
• Keywords : Pipe, Ground, Simulation, Heat pump, Performance, Ground-source system, Expérimentation, Heat exchanger, Steel
• Source: Applied Thermal Engineering - vol. 115

IIR document

Heat transfer analysis of double U-tube ground heat exchanger of closed loop ground source heat pump system during space cooling application for Indian climatic conditions.

• Author(s) : KUMAR S., PANDIT J., MURUGESAN K.
• Publication date: 2019/08/24
• Languages : English
• Keywords : Loop, Heat transfer, Heat pump, Ground-source system, Modelling, India, Case study, Air conditioning, Heat exchanger, Hot climate
• Source: Proceedings of the 25^th IIR International Congress of Refrigeration: Montréal , Canada, August 24-30, 2019.
• Formats : PDF

Fundamental investigation of whole-life power plant performance for enhanced geothermal systems.

• Author(s) : READ M., SMITH I., STOSIC N.
• Publication date: 2016/07/11
• Languages : English
• Keywords : Rankine, Electricity, Carnot, Review, Performance, Ground-source system
• Source: 2016 Purdue Conferences. 16th International Refrigeration and Air-Conditioning Conference at Purdue.
• Formats : PDF

Efficiency of ground source heat pump systems

Ground source heat pumps (GHSP) have been reported to be more efficient than more widespread air source heat pumps despite higher installation costs. A recent article has reviewed parameters impacting the energy...

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

The high potential of ground-source heat pumps to decarbonise the European building sector

A potential reduction of 20-40% and 30-50% of energy demand in buildings, for heating and cooling respectively, could be achieved through increased use of geothermal heat pumps. 

• Publication date : 2022/05/27

For IIR members only

China heat pump market in 2023

Although the country still relies heavily on coal for heating, China is currently the only major market where heat pumps sales grew in 2023, when global sales declined by 3%...

• Publication date : 2024/04/26
• Subjects: Figures, economy

Martinique: a geothermal cooling network project

Storengy and TLS Geothermics have been granted a research permit to explore the subsoil of Martinique and the potential of geothermal energy. Engie Solutions will bring its expertise in heating and cooling...

• Publication date : 2021/09/03
• Subjects: Environment

Recent geothermal energy-based district cooling projects

In December 2023, district cooling projects using geothermal energy were launched in France and the United Arab Emirates.

• Publication date : 2024/01/25
• Subjects: Technology

Geothermal energy to power a cold storage facility

Two remote off-grid villages on a Fijian island are looking forward to their first reliable source of refrigeration thanks to their local hot spring.

• Publication date : 2017/10/17
• Subjects: Developing country

Road to COP28. Energy efficiency and recovery of refrigerants

“Sustainability must refer to energy efficiency and circularity”, says Dr Laura Fedele, IIR expert. 

• Publication date : 2023/04/26
• Subjects: General information, Technology

Brief: Protrait of an optimal system

With looming commitments under the Kyoto Protocol, energy efficiency in buildings, including in art galleries, is essential. Paintings not only require an aesthetic environment, but one in which the air temperature and humidity is controlled. The...

• Publication date : 2006/05/05

Heat pumps

- Analysis of sales of heat pumps in Austria over 2003 and 2004 has shown good growth in the heating and controlled dwelling ventilation segments. The figures were compiled with the National Ministry for Transportation, Innovation and Technology,...

• Publication date : 2005/07/19

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

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

IIR conference report: Padua

 Two IIR events organized by Prof. Renato Lazzarin have just been held in Padua, Italy: - Sources/Sinks alternative to the outside Air for Heat Pump and Air-Conditioning Techniques took place on April 5-7, 2011. Heat sources and heat sinks of...

• Publication date : 2011/05/19

Phare Tower

Morphosis's Phare (Lighthouse) Tower is to go up in La Défense, France. Thom Mayne, the Design Director, describes the future landmark building as follows: "Moving around the tower, it appears to shift continually, distinct from different vantage...

• Publication date : 2007/05/04

Alternative Cooling Technologies conference, London, 1st February 2005

This conference, which was co-sponsored by the UK Institute of Refrigeration and organised commercially by RAC magazine, was well attended with about 140 people present. It was arranged in five sessions. In the first session, speakers from UK...

• Publication date : 2005/02/11

European heat pump market by energy source

Air remains the dominant energy source. Nearly all air source heat pumps are now reversible, being able to provide heating and cooling.

• Publication date : 2016/11/26
• Subjects: Figures, economy

FRIDOC now features a selection of MDPI articles on refrigeration

About 150 articles from MDPI journals, including review articles on various refrigeration technologies, are available in FRIDOC.

• Publication date : 2022/07/28
• Subjects: General information

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

Member news: Presenting MIRAI Intex's Latest process cooling Innovation - X Cryo

Discover the latest advancement in process cooling technology from MIRAI Intex. X Cryo delivers precision and durability, meeting the needs of demanding industrial applications. 

• Publication date : 2024/03/27

Add the latest refrigeration publications to your bookshelf!

Check out the latest IIR publications including CO2 as a Refrigerant, Handbook on Indirect Refrigeration and Heat Pump Systems and the 1st IIR International Conference of Cryogenics and Refrigeration Technology (ICCRT 2016).

• Publication date : 2016/09/06

Hot off the press: Handbook on Indirect Refrigeration and Heat Pump Systems

Be the first to read the newly published IIR Handbook on Indirect Refrigeration and Heat Pump Systems.

• Publication date : 2015/08/05

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

Obituary: S. Forbes Pearson

Dr S  Forbes Pearson, one of the most famous IIR person, passed away. The IIR presents its deepest sympathy and sincerest condolences to his family and relatives.

• Publication date : 2024/03/28

REAL Alternatives: blended Learning for Alternative Refrigerants

Last week the REAL Alternatives Europe programme partners met at IIR head offices to elaborate plans to translate the e-learning project into more languages.

• Publication date : 2015/06/23

Editorial by Didier Coulomb

The 23rd International Congress of Refrigeration (ICR2011) will take place in Prague on August 21-26, 2011. This will be the key refrigeration event in 2011 and will deal with all facets of refrigeration and refrigeration technology. Around...

• Publication date : 2011/02/07

Heat pumps, the central theme of the recent IIR Congress

An overview of the research carried out in the field of heat pumps, with the aim of achieving greater flexibility and increased energy efficiency, in particular through to the use of thermal energy...

• Publication date : 2023/10/24

Latest news from B-Medical Systems, Epta and GEA, three IIR corporate members

B Medical Systems, a global leader in the vaccine cold chain, is expanding its production capacity due to the COVID-19 pandemic, Epta monitors R290 fridges in cashier-free store in Dubai and GEA provides a...

• Publication date : 2021/11/29

Now freely accessible: The IIR International Dictionary of Refrigeration

Now available in 11 languages, the complete version of the IIR International Dictionary of Refrigeration is freely accessible online!

• Publication date : 2018/01/31

IIR member news: Air Liquide joins the fight against the Covid-19 epidemic

To deal with the Covid-19 epidemic in France, the Air Liquide group, member of the IIR, has decided to produce 10,000 respirators in 50 days.

• Publication date : 2020/04/05

Press release: The IIR International Dictionary of Refrigeration is now freely accessible online

Available in 11 languages, the complete version of the International Institute of Refrigeration (IIR) International Dictionary of Refrigeration is now freely accessible online.

• Publication date : 2018/02/01

Cooling data centres: A major economic challenge

Larger data centres can use a staggering amount of energy just to ensure the day-to-day running of electronic equipment. As a result, these data centres can produce a great deal of heat, which require large-scale cooling systems in order to...

• Publication date : 2017/03/29

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

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

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)