Zoekresultaten - Patrick Ratei

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  1. 1

    Comparison of Energy Sources for an Electric Powertrain in a Tilt-Rotor Urban Air Mobility Vehicle door Jonas Ludowicy, Patrick Ratei, Stefanie de Graaf

    Gepubliceerd in 2025-03-01

    Electric vertical take-off and landing vehicles introduce challenges in powertrain design with short but high peak loads and low-load phases over longer periods of time during wing-borne flight. In this paper, three powertrain topologies are analyzed for a tilt-rotor urban air mobility vehicle with...

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  2. 2

    Impact Monitor Framework: Development and Implementation of a Collaborative Framework for Aviation Impact Assessment door Marko Alder, Patrick Ratei, Atif Riaz, Utkarsh Gupta, Thierry Lefebvre, Prajwal Shiva Prakasha

    Gepubliceerd in 2025-03-01

    The development and implementation of a collaborative framework for aviation impact assessment studies is presented. The focus is on which technologies can be used to enable the collaborative aspect, including the use of a common data model, the secure transfer of data between domain experts in diff...

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  3. 3

    Assessing Advanced Propulsion Systems Using the Impact Monitor Framework door Utkarsh Gupta, Atif Riaz, Felix Brenner, Thierry Lefebvre, Patrick Ratei, Marko Alder, Prajwal Shiva Prakasha, Lukas Weber, Jordi Pons-Prats, Dionysios Markatos

    Gepubliceerd in 2025-03-01

    Presented in this paper is the Impact Monitor framework and interactive Dashboard Application (DA) validated through a use case, focusing on investigating the viability and competitiveness of future propulsion architectures for next-generation aircraft concepts. This paper presents a novel collabora...

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  4. 4

    Assessing Policies for the Uptake of Sustainable Aviation Fuels Using the Impact Monitor Framework door Inge Mayeres, Emanuela Peduzzi, Marko Alder, Fabian Baier, Kuno Buchtal, Sreyoshi Chatterjee, Maximilian Clococeanu, David Ennen, Marc Gelhausen, Alf Junior, Alexandra Leipold, Prajwal Shiva Prakasha, Patrick Ratei, Zarah Zengerling, Thierry Lefebvre

    Gepubliceerd in 2025-04-01

    The Impact Monitor Project, funded by the EU, aims to develop an impact assessment framework for European aviation. This paper uses the framework for the modelling and simulation of an impact assessment at the air transport system level, focusing on policies for the uptake of sustainable aviation fu...

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  5. 5

    Assessing Continuous Descent Operations Using the Impact Monitor Framework door Jordi Pons-Prats, Xavier Prats, David de la Torre, Eric Soler, Peter Hoogers, Michel van Eenige, Sreyoshi Chatterjee, Prajwal Shiva Prakasha, Patrick Ratei, Marko Alder, Thierry Lefebvre, Saskia van der Loo, Emanuela Peduzzi

    Gepubliceerd in 2025-05-01

    The Impact Monitor Project is a European initiative designed to develop an impact assessment toolbox and framework, targeting the European aviation sector. The proposed framework is not only aimed at the environment, economics, and operations but also the societal impacts of new technologies and air...

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