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IEA Solar Heating and Cooling Programme

IEA SHC: Global Technical Solar Process Heat Potential

Submitted by Baerbel Epp on December 29, 2016
Solar Process Heat PotentialThe 191 solar process heat projects which have made it into the online database add up to an installed capacity of 0.11 GWth (0.159 million m²), which is only a small fraction of the potential estimated for this type of application. To quantify the technology’s global opportunities, the researchers from the now-completed four-year Task 49 / IV, Solar Heat Integration in Industrial Processes, analysed the results of several national studies which had tried to determine the potential of solar process heat while considering restrictions such as temperature range and the space available for the systems (see the chart on the left). “For Europe, where mainly non-concentrating collectors had been investigated, the percentage of technical potential for solar process heat related to the total industrial heat demand is around 3 to 4 %,” was the conclusion by the authors of the attached report Potential studies on solar process heat worldwide.
Chart: Task 49 / IV
 

IEA SHC: Reaching 40 Years of Global Research Activities

Submitted by Baerbel Epp on January 28, 2016

The International Energy Agency (IEA) wants to strengthen its work supporting the energy transformation to a safe and sustainable low-carbon energy system. A key asset of the IEA is its global network of over 6,000 energy technology researchers and experts working in the 39 Technology Collaboration Programmes, TCPs, (former Implementation Agreements) on a broad range of energy subjects. "We are on the verge of a new era of energy system transformation and innovation", said Alicia Mignone, Chair of IEA Committee on Energy Research and Technology (CERT) during a stakeholder meeting in September 2015 to celebrate the 40th anniversary of the TCPs. "We need to take full opportunity of these amazing instruments that are the IEA TCPs to ensure that the IEA remains at the forefront of global energy technology analysis." The Solar Heating and Cooling Programme (IEA SHC) is one of the 10 renewable TCPs. There are TCPs as well in the field of Fusion Power, Fossil Fuels and Energy End-Use Technologies (see attached pdf with a full list of TCP topics). The photo shows the Executive Committee of IEA SHC during is meeting in December 2015 in Istanbul.
Photo: IEA SHC

COPANT: One Common Standard - Better than 31 Different Ones?

Submitted by Baerbel Epp on November 6, 2013

To date, solar thermal energy has been a largely unregulated technology in Latin America. Most of the countries in the region are suffering from nationalised, uncoordinated and sometimes insufficient quality standards. This lack of agreement is hindering the development of a shared and mature market. The regional Pan American Standards Commission, COPANT, is now working to address the issue by creating a unified regional standard and certification scheme for solar thermal components and systems. Although it is believed that a common standard and certification could ease current trade barriers, some market players think that, depending on the kind of regulation, it could create further obstacles to trade and technology exchange.

Germany: Winners of Solarthermalworld.org Research Competition

Submitted by Baerbel Epp on October 3, 2013

The winners of the first Solarthermalworld.org Research Video Competition received their awards at the international conference SHC 2013 in Freiburg in September 2013. The first prize – an iPad mini - went to Christine Tillmann, R&D Engineer at the German Institute of Air Handling and Refrigeration, ILK, in Dresden for her video titled “Thermally-driven cold generation - air-cooled absorption chiller”. Daniel Mugnier (centre) from French company Tecsol accepted the prize on behalf of Tillmann, as both researchers cooperate within Task 48 of the IEA Solar Heating and Cooling programme headed by Mugnier. Jan Steinweg (left) from the German Institute for Solar Energy Research Hamelin (ISFH) came in second, with the prize being a free conference ticket. Together with his colleague Francis Kliem, they had produced a video explaining in clear words the relevance of “Pipe-internal Re-circulation in Storage Connections”  for tank efficiency and the measures to avoid it.
Photo: Stephanie Banse

Global Trends in Solar Heat Worldwide 2011 Study

Submitted by Baerbel Epp on August 17, 2013

The Solar Heat Worldwide 2011 report from May 2013 again gathers the latest market figures from 56 countries around the globe, covering 95 % of the world’s solar thermal market, according to the authors from Austrian company AEE Intec. In 2011, installers set up a total capacity of 48.1 GWth - corresponding to 68.7 million m2 of glazed and unglazed solar collectors - in these 56 countries. Solar thermal installations increased by 14.3% compared to 2010. The breakdown by collector type in 2011 is 14.7% glazed flat plate collectors, 81.9 % evacuated tube collectors, 3.2 % unglazed water collectors and 0.2 % air collectors. The chart shows the growth rate of the newly installed flat plate and vacuum tube collector capacity in the major markets in 2010/2011.
Figure: Solar Heat Worldwide

Performance Analysis of a Solar Heating System Coupled to a Heat Pump for Building Renovation Purposes (2009)

Submitted by Raquel Ponte Costa on January 31, 2012

The paper was presented by Mr. Jacques Bony and Mr. Stéphane Citherlet from the Laboratory of Solar Energetics and Buildings Physics (Switzerland) in the framework of Task 44 of the IEA Solar Heating and Cooling Programme. It presents the energy and economic performances of facilities coupling heat pumps with air heater equipped with solar thermal collectors. The study was done employing a TRNSYS-type dynamic simulation.

Unglazed Solar Collectors in Heat Pump Systems: Measurement, Simulation and Dimensioning

Submitted by Raquel Ponte Costa on January 26, 2012

This is a paper presented by a group of German researchers during EUROSUN 2008 International Congress on Heating, Cooling and Buildings held in Lisbon, Portugal. Addressing the use of heat pump systems with boreholes together with solar thermal collectors, their project - „Unglazed Solar Collectors in Heat Pump Systems: System Concept and Dimensioning” – is linked with Task 44 of the International Energy Agency’s Solar Heating and Cooling Programme.

Overview on Solar Thermal Plus Heat Pumps Systems and Review of Monitoring Results (2011)

Submitted by Raquel Ponte Costa on January 16, 2012

The target of the present paper is to give an overview on commercially available Solar Thermal and Heat Pump Systems (SAHPS) and a review on available monitoring results of these integrated systems. It is the fruit of the research of German, Italian and Austrian specialists in the framework of IEA’s Solar Heating and Cooling Programme.

On the Potential of Using Heat from Solar Thermal Collectors for Heat Pump Evacuators (2011)

Submitted by Raquel Ponte Costa on January 6, 2012

This is a study presented by members of the Swiss Institut für Solartechnik during the ISES Solar Word Congress held in Kassel, Germany (28 August - 2 September 2011). Part of the IEA SHC Task 44, the paper researches the benefits and performances of using heat from solar collectors for the evaporator of the heat pump instead of using the heat directly.

Description of Simulation Tools used in Solar Cooling (2009)

Submitted by Raquel Ponte Costa on December 8, 2011

This technical report is a deliverable of Task 38, Subtask C within the framework of the International Energy Agency’s Solar Heating and Cooling Programme. It describes both existing and developing simulation tools and models used for solar cooling applications.

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