Jules Verne unshaken after tests
Acoustic testing of the Jules Verne Automated Transfer Vehicle has successfully been completed at the European Space Agency’s test facilities in Noordwijk, The Netherlands.

Acoustic testing of the Jules Verne Automated Transfer Vehicle (ATV) has successfully been completed at the European Space Agency’s (
) test facilities in Noordwijk, The Netherlands.
The 11-tonne test configuration of the ATV Flight Model was transferred to the Large European Acoustic Facility (LEAF) with the help of an air cushion transfer pad. The actual flight launch mass will be 20.5 tonnes.
The ATV, an unmanned vehicle that will deliver supplies to the International Space Station (ISS), will be put into orbit by the European Ariane-5 launcher. Acoustic testing is vital to ensure the ATV can withstand the vibrations caused by the extreme noise levels generated during launch.
Acoustic vibrations were used to simulate the stress due to aero dynamical forces the ATV will encounter during the first three minutes of launch on top of the powerful European Ariane-5 launcher.
The whole structure of the ATV, which is the size of a double-decker London bus, will have to withstand an overall sound pressure level of 144 dB with main frequencies between 25Hz and 5kHz. The same amount of acoustic vibrations would be lethal for the human body.
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