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Testing and evaluation of a method for locating potentially hazardous sites of eventual microdestruction and detecting marks of ISS RS hull leakage
Authors:Е.А. Deshevaya  E.V. Shubralova  N.D. Novikova  V.V. Borisov  O.D. Kononenko  N.A. Polikarpov
Affiliation:1. RF State Scientific Center, Institute of Biomedical Problems, Moscow, Russia;2. Central Research Institute of Engineering Industry, Moscow, Russia;3. Russian Space Corporation “Energia”, Korolev, Russia;1. Japan Aerospace Exploration Agency, 2-1-1 Sengen, Tsukuba, Ibaraki 305-8505, Japan;2. Tohoku University, 6-6-07 Aramaki, Aoba-ku, Sendai 980-8579, Japan;3. Advanced Engineering Services Co., Ltd., 1-6-1 Takezono, Tsukuba, Japan;4. Japan Manned Space Systems Corporation, 1-1-26 Kawaguchi, Tsuchiura, Japan;5. Space Engineering Development Co., Ltd., 5-62-1 Nakano, Nakano-ku, Tokyo, Japan;6. I-NET Corporation, 5-37-1 Kamata, Ota-ku, Tokyo, Japan;1. Université de Lorraine, LCOMS/2LPN-CEMA Group (Cognition-EMotion-Action), EA 7306, F-57070 Metz, France;2. Université de Lorraine, UFR SciFA, Dept STAPS, Campus-Bridoux, Avenue Général Delestraint, F-57070 Metz, France;3. Université de Lorraine, SRSMC, UMR CNRS 7565, F-57070 Metz, France;1. German Aerospace Center (DLR), Institute of Aerospace Medicine, Radiobiology, Cologne, Germany;2. German Aerospace Center (DLR), Institute of Aerospace Medicine, Cologne, Germany;1. Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency, Sagamihara, Japan;2. Research Institute of Electronics, Shizuoka University, Hamamatsu, Japan;3. Centre for Nanoscience and Technology, Anna University, Chennai, India;4. Tagore Institute of Engineering and Technology, Deviyakurichi, Attur, India;5. Department of Electrical Engineering, Shizuoka Institute of Science and Technology, Shizuoka, Japan;6. Graduate School of Engineering Science, Osaka University, Osaka, Japan;1. Departament d’Enginyeria Mecànica, Universitat Rovira i Virgili, Av. Països Catalans, 26, 43007 Tarragona, Spain;2. Departament de Química Física i Inorgànica, Universitat Rovira i Virgili, C/ Marcel·lí Domingo s/n, 43007 Tarragona, Spain;3. Institut d’Estudis Espacials de Catalunya, C/ Gran Capità, 2-4, 08034 Barcelona, Spain
Abstract:In 2008, two experiments – BAR and EXPERT – were performed on the Russian segment (ISS RS) during ISS missions 16 and 17 using diagnostic equipment BAR. The experiments were aimed to enhance ISS safety by proposing means and methods of detecting leaks due to many factors including microdestruction of pressurized modules of the vehicle. The BAR experiment was designed to assess the ultraviolet background in 56 potentially dangerous locations identified by RS ISS designers and engineers. The method for locating sites carrying the risk of microdestruction of pressurized structure was verified. The study showed that the rate of microdestruction is highly affected by level of ultrasound vibrations caused by onboard equipment. The ultrasound measurements in 200 RS ISS sites were performed within the BAR experiment. The method consists of looking for surfaces with atmospheric condensate in the areas of increased levels of ultrasound vibrations. Twenty six sites were added to the nomenclature of potentially risky sites to be monitored on the regular basis. Some of these sites were contaminated by fungi and bacteria.
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