Search results

Assessing the uncertainties of simulation approaches for solar thermal systems coupled to industrial processes.

• Author(s) : CARDEMIL J., CALDERON-VASQUEZ I., PINO A., STARKE A., WOLDE I., FELBOL C., LEMOS L. F. I., BONINI V., ARIAS I., INIGO-LABAIRU J., DERSCH J., ESCOBAR R.
• Publication date: 2022/05
• Languages : English
• Keywords : Solar cooling, Simulation, Industrial application, Mine, Case study, Modelling, Calculation, Solar thermal system
• Source: Energies - vol. 15 - n. 9
• Formats : PDF

Investigation on a hybrid single/double effect solar absorption cooling system driven by Fresnel solar collector with thermal storage.

• Author(s) : DAI Y. J., ZHAO Y., ZHAO X. K., et al.
• Publication date: 2014/03/02
• Languages : English
• Keywords : Solar collector, Cooling, Absorption system, Solar energy, Air conditioning, Heating, Water-lithium bromide, Thermal energy storage
• Source: International sorption heat pump conference (ISHPC2014), College Park, United States, March 31-April 2, 2014.
• Formats : PDF

Experimental Analysis of a High Temperature Heat Pump Using Stored Heat from a Solar Thermal System.

• Author(s) : RAMIREZ M., MARTINEZ-URRUTIA A., HEWITT N. J., SHAH N.
• Publication date: 2021/08/31
• Languages : English
• Keywords : High temperature, Heat pump, Thermal energy storage, District heating, Expérimentation, Solar collector, Solar thermal system, Prototype, Performance, Heat source, Low temperature
• Source: 13^th IEA Heat Pump Conference 2021: Heat Pumps – Mission for the Green World. Conference proceedings [full papers]
• Formats : PDF

IIR document

Development of a novel salt hydrate phase change material slurry for thermal management and heat transportation in solar photovoltaic thermal systems.

• Author(s) : LIN W., GSCHWANDER S., SONG W., FENG Z.
• Publication date: 2024/05/31
• Languages : English
• Keywords : Hydrate slurry, PCM, Solar thermal system, Expérimentation, Thermal energy storage, Thermodynamic property
• Source: 14^th IIR Conference on Phase-Change Materials and Slurries for Refrigeration and Air Conditioning. Proceedings:  Paris France, May 29-31, 2024.
• Formats : PDF

Comprehensive performance evaluation of a dual-function active solar thermal façade system based on energy, economic and environmental analysis in China.

• Author(s) : LI R., CUI G.
• Publication date: 2022/06
• Languages : English
• Keywords : Performance, Solar thermal system, Energy consumption, Energy saving, Life cycle, Energy balance, CO2 emission, Expérimentation, Modelling, Simulation, Climate, China, Case study
• Source: Energies - vol. 15 - n. 11
• Formats : PDF

Sistema solar de armazenamento de energia térmica com módulo de adsorção.

Solar thermal energy storage system with an adsorption module.

• Author(s) : FERNANDES M., BRITES J. V. N. G., COSTA J. J., et al.
• Publication date: 2016/05/03
• Languages : Portuguese
• Keywords : Silica gel, Adsorption, Solar energy, Water, Thermal energy storage
• Source: CYTEF 2016. VIII Congreso Ibérico y VI Congreso Iberoamericano de las Ciencias y Técnicas del Frío, Coimbra-Portugal, 3-6 mayo, 2016.
• Formats : PDF

Heat pump assisted solar thermal system.

• Author(s) : LOTZ D., HUTZEL W., ARNETT W., et al.
• Publication date: 2016/07/11
• Languages : English
• Keywords : Solar collector, Energy consumption, Heat pump, Performance, Solar energy, Heating
• Source: 2016 Purdue Conferences. 4^th International High Performance Buildings Conference at Purdue.
• Formats : PDF

Appraisal of a building solar cooling plant. Building thermal behavior and absorption system performance assessment.

• Author(s) : SOUSSI M., BALGHOUTHI M., GUIZANI A., et al.
• Publication date: 2016/03/24
• Languages : English
• Keywords : Thermal analysis, Solar collector, Green building, Absorption system, Simulation, Performance, Solar cooling
• Source: 1st International Refrigeration, Energy and Environment Colloquium. Proceedings: Hammamet, Tunisia, March 24-27, 2016.
• Formats : PDF

Enfriador solar mediante refrigeración por absorción adiabática utilizando energía solar a baja temperatura.

Adiabatic absorption solar chiller using low temperature solar energy.

• Author(s) : ROMAGE G., JIMENEZ C., ZACARÍAS A., CARVAJAL I., GARCÍA N., VEGA M. de, VENEGAS M.
• Publication date: 2022/04
• Languages : Spanish
• Keywords : Solar collector, Solar thermal system, Absorption system, Modelling, Performance
• Source: XI Congreso Ibérico y IX Congreso Iberoamericano de Ciencias y Técnicas del Frío, CYTEF 2022.
• Formats : PDF

Modelling of a solar heat for industrial process (ship) system using Fresnel collectors.

• Author(s) : DAVID HERNANDEZ M. A., CAZORLA-MARÍN A., GONZÁLVEZ-MACIÁ J., PAYA HERRERO J.
• Publication date: 2022/04
• Languages : English
• Keywords : Solar thermal system, Solar energy, Simulation, Concentration, Heat, Industry
• Source: XI Congreso Ibérico y IX Congreso Iberoamericano de Ciencias y Técnicas del Frío, CYTEF 2022.
• Formats : PDF

IIR document

Numerical assessment of the dynamic behavior of a solar-driven jet-ejector refrigeration system equipped with an adjustable jet-ejector.

• Author(s) : GALINDO J., DOLZ V., TISEIRA A., PONCE-MORA A.
• Publication date: 2021/01
• Languages : English
• Keywords : Solar cooling, Solar thermal system, Jet, Ejector, Energy efficiency, Modelling
• Source: International Journal of Refrigeration - Revue Internationale du Froid - vol. 121
• Formats : PDF

Design of a heat pump assisted solar thermal system.

• Author(s) : KROCKENBERGER K. G., DEGROVE J. M., HUTZEL W. J., et al.
• Publication date: 2014/07/14
• Languages : English
• Keywords : Solar collector, Energy consumption, Design, Heat pump, Performance, Solar energy, Heating
• Source: 2014 Purdue Conferences. 3rd International High Performance Buildings Conference at Purdue.
• Formats : PDF

Study of the technologies for freeze protection of cooling towers in the solar system.

• Author(s) : LIU J., ZHANG L., CHEN Y., YIN Z., SHEN Y., SUN Y.
• Publication date: 2022/12
• Languages : English
• Keywords : Solar thermal system, Cooling tower, Antifreeze, Antifreeze protection, Expérimentation, Cooling capacity
• Source: Energies - vol. 15 - n. 24
• Formats : PDF

Low-carbon district heating: performance modeling of hybrid solar, heat pump, and thermal storage systems for district thermal energy in the United States.

• Author(s) : COX J. T., CAMPOS G., ARMATIS P. D., BELDING S., LOWDER T., KRISTENSEN L., ZOURELLIS A., BLESS F., ARPAGAUS C., BALDWIN S. F.
• Publication date: 2022
• Languages : English
• Keywords : District heating, Modelling, Hybrid system, Thermal energy storage, Solar collector, Boiler, Retrofitting, Case study, Performance, Cost, Denmark, USA
• Source: 2022 Purdue Conferences. 19^th International Refrigeration and Air-Conditioning Conference at Purdue.
• Formats : PDF

IIR document

Implementation of different control strategies of heat pump coupled with thermal and electrical storages for a non-residential nZEB.

• Author(s) : ISAIA F., FOP D., CAPOZZOLI A., SERRA V., PERINO M.
• Publication date: 2021/09/01
• Languages : English
• Keywords : Green building, Heat pump, Photovoltaic panel, Solar thermal system, Prototype, Case study, Modelling
• Source: 6^th IIR Conference on Thermophysical Properties and Transfer Processes of Refrigerants
• Formats : PDF

Photovoltaic thermal system combined with adsorption cooling achieves 75% efficiency

Researchers from IBM Zurich research laboratory combined photovoltaic (PV) and solar thermal techniques in a high-concentration PV thermal (HCPVT) system to achieve efficient electrical cooling output without the need for extra cells.

• Publication date : 2013/10/25

Viability of an absorption solar cooling system in an isolated school in Mexico

A recent IJR article presents a simulation of the operating strategies and the results of the first experiments following the installation of a solar thermal absorption air conditioning system, installed in an...

• Publication date : 2020/04/05
• Subjects: Developing country, Environment

Solar cooling: Perspectives in Australia

A paper by P. Kohlenbach and M. Dennis1 presented at the 9th IIR Gustav Lorentzen Conference on Natural Refrigerants in Sydney gave an outlook and future perspectives on solar cooling in Australia, focusing on a comparison between the current...

• Publication date : 2011/02/04

Sorption chillers

Sorption chiller technology is rapidly developing, especially that using solar energy. - As highlighted by Jacob and Kohlenbach* during the latest IIR Gustav Lorentzen Conference on Natural Working Fluids in Sydney, in Europe, numerous new...

• Publication date : 2011/02/07

Solar Air conditioning

With high summer temperatures, air-conditioning and thermal comfort are increasingly important issues, but raise the challenges of high energy consumption and of environmental consequences. Three recent projects use solar energy to operate...

• Publication date : 2007/08/05

Brief: solar cooling on the rise

The European Solar Thermal Industry Federation (ESTIF) presented its statistics for the European market including all 25 member states. Results showed 12% growth in 2004, predicted to continue into 2005. At the time of the survey there were...

• Publication date : 2006/01/28

Solar cooling: Plans for air-conditioned stadiums in Qatar

When Qatar won the bid to host the 2022 football World Cup in December 2010, it came as a surprise. One of the major causes of scepticism was the average summer temperatures of over 40°C with recent peaks at 50°C. But central to Qatar's bid was a...

• Publication date : 2011/02/11

ICR2019: focus on innovative refrigeration technologies for developing countries

Several papers presented during the IIR International Congress of Refrigeration in August 2019 addressed advances in the refrigeration technologies that are particularly adapted to hot countries with limited electricity supply: solar...

• Publication date : 2019/11/29
• Subjects: Developing country

R&D

The US Department of Energy's National Renewable Energy Laboratory (NREL) has developed a new air-conditioning system combining membranes, evaporative coolers and desiccants into a single device with the objective to suit to all climates,...

• Publication date : 2011/02/07

Briefs: solar air-conditioning prototype

As part of the European programme Solera, CEA LITEN researchers recently set up a 4.5-kW solar air-conditioning prototype in the facilities of the INES (French National Institute of Solar Energy) in Chambéry in the French Alps, where the system...

• Publication date : 2009/12/09

Eco-friendly cooling for Tokyo’s Haneda Airport

The new international terminal of Haneda Airport opened in October 2010. It uses a combination of geothermal energy, solar power and cogeneration systems to reduce energy consumption and is also the first airport to use sodium sulphur (NaS)...

• Publication date : 2011/06/01

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

Briefs: Japanese programme for next generation heat pumps

The Ministry of Economy, Trade and Industry (METI) in Japan has set up the Next Generation Heat Pump Research Council within the New Energy and Industrial Technology Development Organisation (NEDO) in order to examine concrete research proposals....

• Publication date : 2010/03/07

GL2012 highlights: photovoltaic vs solar thermal cooling in Europe

In their paper presented during the 10th IIR Gustav Lorentzen Conference on Natural Refrigerants in June 2012, Kohlenbach et al. give an outlook of the current and potential situation of solar cooling in Europe.

• Publication date : 2012/11/26

Worlwide market for solar thermal air-conditioning and cooling applications

Approximately 80% of the solar thermal cooling installations worldwide are installed in Europe, most notably in Spain, Germany and Italy.

• Publication date : 2014/10/14

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

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 IIR Informatory Note on thermal energy storage systems

IIR’s latest Informatory Note demonstrates that a well-designed TES system can reduce energy consumption through more efficient equipment operation and lower investment costs, thus reducing the equipment...

• Publication date : 2022/01/28

New IIR Informatory Note on Solar Cooling 

Discover the latest IIR Informatory Note that provides a detailed analysis of solar cooling: an environmentally friendly and promising technology.

• Publication date : 2020/12/22
• Subjects: Technology

New IIR Informatory Note on Renewable Energy

The latest IIR Informatory Note stresses that renewable energy sources can be considered practically inexhaustible and are currently the only solution for an ecological transition to clean...

• Publication date : 2023/04/26
• Subjects: Environment

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: Technology, Developing country, HFCs alternatives, Environment

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

IJR Editorial: Solar energy, the energy of the future for refrigeration

Solar refrigeration should become a means of providing cleaner air conditioning and developing cold chains for food and health products where they are still deficient. We need to accompany this development while...

• Publication date : 2021/01/21

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

AGRI-COOL kicked off virtually!

On June 17th, 2024, the consortium partners of the new EU project AGRI-COOL, met for the Kick-Off meeting. This online meeting was hosted by the project coordinator Twente University with the participation of the 12 other partners,...

• Publication date : 2024/06/21

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

Past events: The IIR around the world, August and September 2024

A look back at the IIR’s latest events during conferences (Gustav Lorentzen, Thermag, Compressors) and during sponsored vents (CHPC).

• Publication date : 2024/10/07

Nanorefrigerants

Nanorefrigerants are created by adding nanoparticles in suspension to a base refrigerant. They have a thermal conductivity that is 15% to 104% higher than that of the corresponding...

• Last update : 2022/06/17
• Langues : English, French
• Themes : Nanofluids

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

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)

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