Author: adminaidaa

The design of a hypersonic civil aircraft flying at stratospheric altitudes is one of the most challenging tasks in modern aerospace due to the high integration needed among the different disciplines. Aerodynamics, propulsion, structures, materials, avionics, onboard subsystems are strictly linked, exchanging each other design requirements and parameters in such a way to fulfil system and mission requirements. The course discloses many of the lessons learned from the activities performed in the framework of the H2020 STRATOFLY project. Specifically, this course is organized into three main parts:

• Part 1 (2h: M. Marini and P. Roncioni): Aerodynamic and aerothermodynamic challenges for designing a hypersonic civil transport. Aerodynamic modelling and complete database development from subsonic to hypersonic (Mach 8) speed regimes. The exploitation of aerodynamic databases in mission analysis and trajectory calculation.
• Part 2 (1h: G. Saccone): 0D kinetic hydrogen/air combustion modelling and discussion on methodology to evaluate chemical pollutants and GHG emissions released by an Air-Turbo Rocket engine able to operate up to Mach 4.
• Part 3 (1h: L. Cutrone): Modelling of a Dual Mode Ramjet able to accelerate a hypersonic vehicle from Mach 4 to Mach 8. Details on modelling techniques for air-intake, isolator, and combustor. Discussion on engine performance and emissions database.

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Images of celestial bodies collected by a camera contain much valuable information for a spacecraft, which can be used to infer the relative position and/or attitude. Imaging systems have been successfully employed in the past decades to this end, in the form of, e.g., star trackers, navigation cameras, horizon sensors. Depending on the apparent size of the targeted body within the image, different techniques are used to extract the relevant information. In this webinar, the fundamentals of optical navigation techniques will be discussed. Attendees will learn image processing techniques and attitude/position estimation algorithms. Test cases will also be discussed.

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This course introduces the market challenges and the business opportunities offered by the emerging space economy.

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Assessing the economic viability of new high-speed concepts since the early design phases is crucial for the success of future hypersonic vehicles including cruisers as well as reusable access-to-space and re-entry systems. Moreover, matching environmentally sustainable innovations guaranteeing at the same time economic sustainability is becoming a key factor. Besides literature reports few parametric cost models for high-speed vehicles, all of them makes exclusive use of mass as a parameter and none of the models moves beyond the vehicle level, thus preventing estimation of the costs associated with subsystems or technologies. This webinar aims at providing the attendees with a cost estimation model which moves beyond the state-of-the-art methodologies (1) by integrating vehicle design and operational parameters (in addition to the mass) as cost drivers for the prediction of the vehicle life-cycle cost, (2) by introducing prediction margins accounting for the uncertainties on the data-driven correlations, (3) by estimating the impact of environmentally sustainable solutions onto the vehicle life-cycle cost, (4) by providing a first estimate of the costs of every onboard subsystem, including combined cycle engines and multi-functional subsystems, (5) by increasing the granularity of the analysis up to technology level, thus providing valuable support to Technology Road-mapping activities, and, eventually, (6) by providing a ticket price estimation to be then compared with the results of a business case. The webinar contains extensive references to high-speed initiatives currently under development in Europe. The presented case studies have been developed and extensively tested in an international context such as the Horizon 2020 STRATOFLY project (2018-2021), the H2020 MORE&LESS project and other ESA funded activities.

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This course aims to introduce multiscale techniques within the context of nonlinear analysis of composite structures. Failure initiation and propagation in composites is a complex phenomenon and involves multiple length scales. The accurate computational modelling of these processes, therefore, needs to consider the influence of the microstructure on the development of nonlinearities and the subsequent structural response. These considerations are addressed by means of multiscale analysis, where the microstructure is explicitly modelled, leading to a high-fidelity representation of both the material and the structure. The course will focus on numerical techniques used to analyze the microstructure, and the procedures commonly used to interface and transfer information between different length scales. A detailed overview of implementation issues will also be discussed. Finally, some applications and numerical assessments of multiscale techniques will be presented.

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This course provides an overview of recent developments in sound transmission control through aeronautical panel structures. In the first part, general definitions of the sound transmission efficiency parameters are given; moreover, the classical and advanced structural models used to analyze sandwich structures are depicted. In the second part of the course, the attention is focused on recent industrial interests such as 3d-printed lattice materials used for the design of sandwich cores, the homogenization of the lattice material properties is introduced. Furthermore, the passive damping of the multilayered panels can be improved by using soft viscoelastic materials; therefore, their modelling with classical Kelvin-Voigt or fractional derivatives models is explained. In the last part of the course, the structural optimization problem is introduced; the original contributions of the authors define a new particle swarm optimization model called the Population Decline Swarm Optimization method. Finally, some case studies concerning the sound transmission control through optimized multilayered shell composite sandwich panels with lattice core embedding viscoelastic sheets are discussed.

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The main instruments for the development and attraction of research talent to the European Union (EU) are the European Research Council (ERC) and the Marie Skłodowska-Curie Actions (MSCA). Over the last decade, the ERC and the MSCA funded wide and diverse areas of research relevant to the aerospace sector and gave many researchers the opportunity to develop their projects with highly competitive conditions.

In the first part of the course, EU scientific officers and experts will give an overview of the main characteristics and opportunities offered by the ERC and MSCA funding schemes. Particular attention will be given to the mission, funding, and evaluation process.

In the remaining part of the course, authors of successful ERC and MSCA-PF grant proposals on topics of aerospace relevance will present their own stories and projects and will give the audience their insight and advice on the application process. Details on lessons learned, proposal writing, preparation of the curriculum vitae, and stage-2 interview will be discussed along with eventual opportunities to join an ERC team.

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