In November 2017, the first phase of the PERSEO (PErsonal Radiation Shielding for intErplanetary missiOns) project, funded by the Italian Space Agency, has come to a successful conclusion with the test on board the International Space Station (ISS) of the first prototype of a water-filled garment for personal radiation protection of astronauts in case exposure to solar particle events. During the course of the project, a collaboration including academic partners and companies active in space research and technological development designed and manufactured the garment prototype, in compliance with all requirements for use in a space habitat, completing all necessary ground verification tests. The efficacy of the garment as a countermeasure against short-term non-cancer effects was evaluated based on Monte Carlo simulations of achievable dose reduction to sensitive organs of an anthropomorphic phantom, exposed to different reference solar proton spectra in low-shielding conditions, as it could be the case in an emergency scenario during a deep-space mission. During the test on the ISS, the garment was filled with 21 liters of on-board water and later drained back into the water recovery system, with no water waste. While worn for about 30 minutes, the garment was judged as comfortable enough, not significantly hindering the astronaut's movements and not posing major problems as a consequence of increased inertial mass.In this presentation we will revisit the main steps of the project and discuss its achievements, also addressing strategies currently studied for an experimental benchmark of the garment shielding efficacy, and possible future developments for devices of this kind to be used in interplanetary space journeys. * This presentation will be given also in behalf of the PERSEO collaboration. PERSEO is funded by the Italian Space Agency (ASI), coordinated by the University of Pavia and involve scientists from Thales Alenia Space - Italia, SMAT, AVIOTEC, ALTEC, University of Roma Tor Vergata, Kayser Italia and ARESCOSMO. Full list of contributors is given in the presentation.
42nd COSPAR Scientific Assembly
- Pub Date:
- July 2018