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German Aerospace Center
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1,102 Projects, page 1 of 221
  • Funder: EC Project Code: 282308
  • Funder: EC Project Code: 682383
    Overall Budget: 1,996,140 EURFunder Contribution: 1,996,140 EUR

    A major impediment to the economic viability of carbon-free renewable energy sources such as wind and solar power is an inability to effectively utilize the power they generate if it is not immediately needed. One option to address this is to use excess generator capacity during off-peak demand periods to produce hydrogen (H2), a high energy-content, carbon-free fuel that can be mixed with natural gas and distributed to end-users via existing natural gas pipeline infrastructure, where its energy content is recovered via combustion in conventional gas-turbine (GT) power plants. H2-enrichment, however, dramatically alters the combustion dynamics of natural-gas and its effect on turbulent flame dynamics, combustion stability and pollutant formation in GT combustors is not well enough understood today for this scenario to be safely implemented with existing power plants. The objective of this study is to facilitate Europe’s transition to a reliable and cost-effective energy system based on carbon-free renewable power generation. It will accomplish this by developing advanced laser measurement techniques for use in high-pressure combustion test facilities and using them to acquire the data necessary to develop robust predictive analysis tools for hydrogen-enriched natural gas combustor technology. This data will analyzed in close collaboration with the simulation and modelling teams and used to rigorously test and validate combustion models and predictive analysis tools currently under development.

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  • Funder: EC Project Code: 755596
    Overall Budget: 1,999,570 EURFunder Contribution: 1,999,570 EUR

    Alternative or novel ventilation concepts with enhanced heat removal efficiency and local ventilation efficiency allow reconsidering the fresh air fraction of modern passenger aircraft cabins and thus help to save bleed air and energy in the future. In order to identify and verify corresponding concepts, parametric studies will be conducted in a long range aircraft cabin mock-up by numerical simulations and experimental investigations. Design and set-up of the mock-up is part of the project, whereas special attention will be given to the possibility to precisely define the thermal and fluid dynamical boundary conditions. This enables experimental simulations of operational conditions using temperature controlled surfaces on the one hand and allow for precise implementation in numerical simulations by appropriate idealizations of the inflow velocity profiles on the other. While most of the existing studies of aircraft cabin ventilation just consider the performance under steady conditions, the dynamic performance is of high relevance under real conditions. Therefore, we give special attention in our investigations to the performance of the ventilation scenarios under dynamic conditions and non-ideal distributions of heat loads.

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  • Funder: EC Project Code: 101076275
    Overall Budget: 1,777,520 EURFunder Contribution: 1,777,520 EUR

    Earth science benefits tremendously from spaceborne synthetic aperture radar. By combining multiple images taken from different angles, we can create accurate digital elevation models and high-resolution tomograms that unveil the three-dimensional structure of vegetation, ice, and dry soil. Whereas today such images are acquired sequentially with conventional satellites, compromising product quality and hindering the monitoring of fast dynamics, DRITUCS envisions distributed sensor concepts to acquire all data in a single pass, paving the way for effective and powerful monitoring of our planet. We exploit clusters of smallsats and build high-quality products from noisy and undersampled data. This makes a key contribution to multi-dimensional imaging theory and represents a paradigm shift from state-of-the-art techniques that demand expensive, high-quality imagery to create digital elevation models and tomograms. Smallsats can be mass-manufactured and lead to low-cost solutions. They are a disruptive NewSpace technology that needs to be complemented by novel distributed approaches to replace and enhance large aperture, high power radar systems. We are pursuing three scientific paths to lay the foundations of a) distributed multi-baseline interferometry, b) distributed tomography, and c) multiple-input multiple-output tomography that takes advantage of waveform diversity to infer unique information about different scattering mechanisms in natural and man-made environments. The elaboration of theoretical models and the development of signal processing algorithms will be complemented by experimental demonstrations with drones. DRITUCS is a giant leap for radar remote sensing with a significant impact on numerous applications. It will pose the basis for future advanced Earth observation missions that will offer remarkable societal benefits and boost European capabilities in the emerging NewSpace sector.

  • Funder: EC Project Code: 101088822
    Overall Budget: 1,999,780 EURFunder Contribution: 1,999,780 EUR

    This Action will upscale the successful citizen science initiative “Plastic Pirates – Go Europe!” to interested EU Member States (MS) and Horizon Europe Associated Countries (AC). In doing so, the action aims to raise awareness among citizens and, in particular, young citizens, in larger parts of Europe on the impact and benefits that research and innovation can have on their daily lives, to increase the capacity to collect, organise and verify data on plastic waste pollution stemming from and in European rivers, coastlines and seas, and to test, replicate and refine best practice models for linking excellent science and citizen engagement in order to reach the Mission Ocean's objective of restoring our ocean, seas and waters while supporting the monitoring of EU policy objectives.

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