July 10, 2023

Prometheus full ignition, Arianegroup's test center in Vernon, France. Credit: ArianeGroup

Prometheus undergoes ignition tests: the future of spaceflight with reusable rockets

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The 100-ton thrust Prometheus makes extensive use of new materials and new manufacturing techniques to reduce its cost to just one-tenth that of Ariane 2's Vulcan 5
Figure 1 - Right: experimental measurements of the two-crack experiment and measured Boehm trajectories (black bars). The realization of the cracks is done in the time domain, by creating two pulses of surface gravity waves, at times (t=-4, +4 sec). You can see the development of the Boehm trajectories along the wave pool (X axis). There are areas that no route crosses, and the wave strength measured in them will be zero. The reason for this is that a destructive conflict is created in these areas. In contrast, there are areas where there is a high density of Boehm orbits, and where the wave power is maximum (as a result of constructive interference). Figure 2 - Left: shows the quantum potential. The wave moves only in the 'valleys' (meaning areas where the potential is low) and does not reach the 'mountains' (meaning areas where the potential is high).

Researchers first measured the Bohm orbits and the quantum potential in a classical system

In doing so, the researchers confirmed scientific phenomena that had so far only been predicted theoretically
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