Astronomy and Astrophysics – Astrophysics
Scientific paper
Oct 2004
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004esasp.555e...4p&link_type=abstract
Proceedings of the 4th International Spacecraft Propulsion Conference (ESA SP-555). 2-9 June, 2004, Chia Laguna (Cagliari), Sard
Astronomy and Astrophysics
Astrophysics
Scientific paper
The INTEGRAL (INTErnational Gamma-Ray Astrophysics Laboratory) Spacecraft was launched from Baikonur on October the 17th 2002. The Spacecraft Propulsion (RCS) is a monopropellant system, using anhydrous hydrazine and 20 N thrusters. It was loaded and pressurised at the Baikonur filling facilities prior the launch. The outcomes of this activity together with a correlation with the tanks loading procedure are given. During LEOP the behaviour of the RCS was recorded via the telemetry by the three Pressure Transducers, the TCS thermistors and by the thrusters thermocouples. The above parameters allow determining the proper status of the system and its functional behaviour. During the LEOP an anomalous temperature evolution was detected on a line spot downstream the tanks.
Gitins M.
Lafranconi Renato
Pessana M.
Poidomani Gaetano
Ravera Francesca
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