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ATD3 Workshop 2024

6–7 Jun 2024
ESTEC Newton 1&2
Europe/Amsterdam timezone
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Session

Experimental Data and Numerical Simulations

7 Jun 2024, 09:35
Newton (ESTEC Newton 1&2)

Newton

ESTEC Newton 1&2

Keplerlaan 1, 2201 AZ Noordwijk

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  1. 23. Re-entry demise investigation of critical CubeSat components in plasma wind tunnel experiments
    Clemens Kaiser (University of Stuttgart, Institute of Space Systems)
    07/06/2024, 09:35
    Numerical rebuilding of ground tests
    Presentation

    As the number of small satellites in Low Earth Orbit grows, understanding their re-entry demise becomes increasingly crucial for ensuring the sustainability of space utilization. This includes risks associated with ground impacts from incompletely demised components and the release of aerosols and gases into the upper atmosphere. The SOURCE PWK project, funded by the German Aerospace Center...

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  2. 26. Thermite-for-Demise (T4D): Experiments and numerical modelling on solar array drive mechanism mock-ups containing thermite in an arc-heated wind tunnel
    Alessandro Finazzi (Politecnico di Milano)
    07/06/2024, 09:55
    Numerical rebuilding of ground tests
    Presentation

    The use of pyrotechnic formulations to assist spacecraft demise during re-entry has been investigated in the frame of the SPADEXO ESA-TRP project. The approach selected during this activity consisted in the direct integration of thermite powder in the structural voids of robust components, which could be passively ignited by the aerothermal heat experienced by the spacecraft during the...

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  3. 25. Demise study of miniaturized and representative Composite Overwrapped Pressure Vessels (COPV): Plasmatron experimental testing and high-fidelity simulations
    Pierre Schrooyen (von Karman Institute for Fluid Dynamics)
    07/06/2024, 10:15
    Numerical rebuilding of ground tests
    Presentation

    During the atmospheric entry, the decommissioned satellite is strongly affected by aerodynamic heating due to dissipation of a huge amount of kinetic energy into thermal energy. In these conditions, the vehicle usually breaks-up into several parts which are, in turn, degraded by the high enthalpy flow. However, Carbon Fiber Reinforced Polymers (CFRP) materials behave similarly to thermal...

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