Popis: |
The H-II Transfer Vehicle (HTV), designed and built in Japan, is one of unmanned cargo transfer spacecrafts and the HTV-1 was launched in September, 2009 as a first flight. The HTV-1 was docked to the ISS a week after the launch and had been attached to the ISS for 45 days to carry cargoes to the ISS and re-entried November, 2009. The first mission was successful and that was a big step as a major milestone in the history of Japanese aerospace development. In this paper, the HTV thermal control architecture and verification results are summarized firstly. Also, flight data evaluation, flight operation and road to the HTV-2, second mission planned in January, 2011, from the standpoint of thermal control system (TCS) are described. It was confirmed that the cycle of design, manufacturing and operation for the HTV-1 worked well and we have started to prepare for the HTV-2. |