Ariane 5 flight environments |
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| Authors: | B Chemoul E Louaas P Roux D Schmitt M Pourcher |
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| Institution: | 1. CNES Launcher Directorate, Rond Point de l''Espace, 91023 Evry, France;2. ARIANESPACE, ARIANE Development Directorate, Rond Point de l''Espace, 91023 Evry, France;3. ARIANESPACE, Boulevard de l''Europe, BP177, 91006 EVRY COURCOURONNES Cedex France;1. Chosun University, Gwangju 61452, Republic of Korea;2. Sunchon National University, Jeonnam 57922, Republic of Korea;3. Korea Advanced Institute of Science and Technology, Daejeon 34141, Republic of Korea;1. Thales Alenia Space Italia S.p.A., Rome, Italy;2. University of Rome La Sapienza, Italy;1. Department of Aeronautics and Astronautics, University of Tokyo, 110, Faculty of Engineering Bldg. 7, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan;2. Akita University, Engineering and Resource Studies, Akita, Japan;3. Tokyo Institute of Technology, Bldg. G3, Room 912, 4259-G3-6, Ngatsuta, Midori-ku, Yokohama 226-8502, Japan;1. Department of Aeronautics and Astronautics, Tokyo Metropolitan University, 6-6 Asahigaoka, Hino, Tokyo 191-0065, Japan;2. School of Engineering, RMIT University, Bundoora, VIC 3083, Australia |
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| Abstract: | This paper presents a status of the ARIANE 5 launch vehicle dynamic environments after the 5 first flights. It concerns mainly the low frequency vibrations, the acoustic and the shocks that the payloads experience and the related external excitations. The flight measurement plan is described. The results show that the frequencies are well characterized and the levels are low pointing out margins with regard to the specifications Furthermore, one describe the efficiency of attenuation solutions implemented to reduce the payload environments. |
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