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).

Contact angle measurement on membrane

A defined drop of a liquid is deposited on the membrane to be analyzed. The contact angle between the membrane and the liquid is then measured.

Membrane tests for the analysis of surface properties

By means of contact angle measurements, the membrane can be analyzed before and after its application and conclusions can be drawn about its functionality and usability.

sandTES

active fluidized bed storage "sandTES" of the Institute for Energy Systems and Thermodynamics (TU Wien)

supercritical CO2 cycle

supercritical CO2 cycle for electrification of waste heat at the Institute for Energy Systems and Thermodynamics (TU Wien)

IEA DHC Annex TS8: Example laboratory middleware

Example of using a laboratory middleware for connecting a laboratory test stand with real-time simulation models. The same approach can be used to connect geographically distributed laboratory setups.

IEA DHC Annex TS8: 2. Working Phase Meeting (Picture 1/2)

The international cooperation in IEA DHC Annex TS8 also includes working meetings. The 2nd working meeting took place on 26/27 November 2024 at the DTU Risø Campus.

IEA DHC Annex TS8: 2. Working Phase Meeting (Picture 2/2)

The international cooperation in IEA DHC Annex TS8 also includes working meetings. The 2nd working meeting took place on 26/27 November 2024 at the DTU Risø Campus.

IEA DHC Annex TS8: Overview of subtasks

The international cooperation within the IEA DHC Annex TS8 is structured into 5 work packages (subtasks).

System-level Control of a Heating Grid with Sector Coupling

Exemplary Configuration of a simple heating grid, considering sector coupling through CHP and heat pump by forward-looking system control

Digital Twins can serve as virtual components in lab setups.

Mapping of a proof-of-concept test case to the DigitalEnergyTestbed setup using the Digital Twin of the DH substation test stand.

Open Day at the Lichtenegg Energy Research Park 1

On 28 October 2022, an open day was held at the Lichtenegg Energy Research Park. Interested people and manufacturers were given more information on small wind power and experiences from IEA Task 41 were shared.

IEA Task Meeting Vienna

From 19th to 20th October 2022, an IEA Task 41 meeting was held in Vienna at the University of Applied Sciences Technikum Wien after a pandemic-related break, at which future research topics were planned and research results were presented.

IEA Task Meeting Vienna

From 19th to 20th October 2022, an IEA Task 41 meeting was held in Vienna at the University of Applied Sciences Technikum Wien after a pandemic-related break, at which future research topics were planned and research results were presented.

left: The vicious circle of high system temperatures (lock-in), right: The added value of low system temperatures

presentation of the different relations between system temperatures, supply structures, the effect on the system and the end users

Development of technology specific indicators

Concept of energy-economic evaluations with the key figure "Cost Reduction Gradient" (CRG) in €/(MWh·°C)

LIDAR measurement device commissioning

Commissioning of a LIDAR measurement device at a complex, alpine site with an altitude of 1,900m. (IEA Wind Task 32, 2016-2019)

LIDAR with off-grid power supply

LIDAR in operation with an off-grid power supply consisting of photovoltaic, fuel cell and battery-storage. (IEA Wind Task 32, 2016-2019)

Daily performance ratio of the testmodules (temperature corrected)

Plot from the daily Performance ratio coefficients of the round robin tests ring

Connections in the development of a decarbonization strategy

The graphic shows different parts and influencing factors in the development of a decarbonization strategy for an industrial company. More information can be found in the Task 3 report of the IEA HPT Annex 58 (https://heatpumpingtechnologies.org/annex58/task-3/).

Maximum supply temperature as a function of heat capacity

The graphic shows the maximum supply temperature of high-temperature heat pump technologies from different manufacturers as a function of the heat capacity. More information on the individual technologies is published on the IEA HPT Annex 58 website (https://heatpumpingtechnologies.org/annex58/task1/).