Project Image Pool

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Terms of use: The pictures on this site originate from the projects in the frame of the programmes City of Tomorrow, Building of Tomorrow and the IEA Research Cooperation. They may be used credited for non-commercial purposes under the Creative Commons License Attribution-NonCommercial (CC BY-NC).

Simultaneity of PV electricity generation and heat pump electricity demand for different control strategies in the PEB use case EXCESS

Comparison of the electricity demand of heat pumps under different control strategies, simulated for the Austrian EXCESS demonstration building, in relation to the available PV generation on the façade for an average winter week in February. The building under investigation represents a use case in the IEA EBC Annex 83 project.

Duration curves of heating power for the coldest week of the year – comparison of standard control vs. MPC

One use case considered in the IEA EBC Annex 83 is a thermally activated building that was designed within the national research project HybridLSC. The thermally activated building mass allows for temporal load shifting by means of model predictive control (MPC) of the building. A comparison of the duration curves of heating power for the coldest week of the year between a standard control strategy and an MPC-based control strategy shows a significant reduction in peak loads, which is achieved without any loss of comfort for the occupants. This is essential for the optimal sizing of heat sources and forms the basis for reducing peak loads in energy networks.

Innsbruck Campagne

PV Potential of the Facade - Project Innsbruck Campagne

Innsbruck Campagne

Photo of the district Innsbruck Campagne

PV Potential Innsbruck Campagne

Colormap of the PV Potential of the district Innsbruck Campagne

HP Inegration

Integration options of heat pumps in districts

BI-Generation

Hydraulic integration of the heat pump for BI-Generation

BI-Generation Monitoring Results

Monitoring Data of the Operation of the heat pump

Sunbelt regions

Sunbelt countries (orange) and IEA SHC Task 65 participants (green)

Task65 - Solar Akademie - SACREEE

The IEA SHC Solar Academy and SOLTRAIN (Southern African Solar Thermal Training and Demonstration Initiative) hosted with the support of SACREEE and SANEDI a specialized course for professionals on Solar Cooling for Sunbelt Regions at Stellenbosch Institute for Advanced Study in South Africa. A total of 46 participants from 7 countries took part, with around 8 of them participating virtually. https://task65.iea-shc.org/Data/Sites/1/publications/IEA-SHC-Solar-Update--Solar-Academy-SACREEE.pdf

Hybrid Solar Cooling Concept

As part of the SolarHybrid project, functional models for an ammonia/water (NH3/H2O) single-/half-effect (SE/HE) absorption chiller were adapted based on the previous DAKtris project and a new NH3 compression chiller was built.

PURIX Solar Cooling System

PURIX provides sustainable cooling technologies, leveraging R718 (water), a natural, non-flammable refrigerant, to develop environmentally friendly air conditioning and cooling systems.

IEA ES Task 39 experts at the Meldorf PTES under construction

The IEA ES Task 39 expert group in from of the pit thermal energy storage of Meldorf (DE) under construction.

The 4 large thermal energy storage technologies of IEA ES Task 39

Schematic presentation of the 4 large thermal energy storage technologies that are included in the IEA ES Task 39: Tank thermal energy storage (TTES), pit thermal energy storage (PTES), borehole thermal energy storage (BTES) and aquifer thermal energy storage (ATES).

The phases of a large thermal energy storage development

The 4 phases in the development process of a large thermal energy storage, with the main actors or stakeholders and the corresponding tools developed in IEA ES Task 39

Stand of the different baterry technologies (IEA 4E EDNA Task on Batteries).

This graphic shows the state of the art of different battery technologies. 14 types are organized according to their state of development. 10 are lithium-based batteries, the other 4 use various chemistry compositions (Zinc or carbon nano-tubes), or use new concepts to increase their capacity.

Cross-sectional image of a laser-structured and coated steel surface

The image shows an FIB cross-section of a steel surface that has been structured using laser interference and then coated with a 2D material, in this case MXene as transition metal carbide Ti3C2. The individual MXene flakes deposited in the valleys of the laser structures are clearly recognisable.

Group photo TU Vienna - Nanjing Symposium Tribology

In December 2024, the 3rd TU Wien-Nanjing Tribology Symposium was held at TU Wien with around 60 international guests on the topic of novel 2D materials and methods for reducing friction and wear. This is also the core topic of Task 12 within the AMT-TCP.

TU Vienna-Nanjing Tribology Symposium December 2024

Presentation during the 3rd TU Vienna-Nanjing Tribology Symposium.

Database on facilities for the production of advanced liquid and gaseous biofuels for transport

Database on facilities for the production of advanced liquid and gaseous biofuels for transport