China successfully launched Tianlian No.1 04 star: to achieve global network operation
At 23:24 on the 22nd, China successfully used the Long March 3C carrier rocket at the Xichang Satellite Launch Center to send the Tianlian No. 1 04 star into space.
Launch process
The rocket launch tower has a 4,700-tonne tower. It carries the 64-diameter 1-meter load-bearing wheels at the bottom, 32 of which are driven by eight 42-kilowatt motors. run.
Eight hours before the launch of the rocket, the activity tower began to evacuate to a parking position of 120 meters away at a speed of 10 meters per minute. The low temperature filling of the rocket and the test work 3 hours before launch were then completed by the fixed tower. The fixed tower has 10 cable swings holding the rockets. These pendulums are aptly called "umbilical cords". In addition to the fixed rockets, they also continuously deliver fuel, gas, charge and regulate body temperature to the rocket. The slewing platform of the fixed tower began to open one hour before the launch; the swing lever was also opened when the countdown was 90 seconds.
Because the satellite has extremely high requirements on temperature, humidity and cleanliness, when it is docked here, it needs to be fully enclosed, except that all the gaps are tightly closed, the room temperature is controlled at 20 degrees Celsius, the humidity is 40%, and the cleanliness is 10 Ten thousand, equivalent to the requirements of the hospital's sterile operating room, but also on the ground with anti-static materials, in order to be foolproof.
Tianlian No.1 is the fourth geosynchronous orbit data relay satellite in China. It will be globally networked with Tianxing No.1, 01, 02 and 03 stars, providing space for China Shenzhou spacecraft, space laboratory and space station. Data relay and measurement and control services support space rendezvous and docking tasks, and provide data relay services for China's medium and low-orbit resource satellites, providing measurement and control support for spacecraft launches.
So far, the space launching activities of the Xichang Satellite Launch Center have exceeded 100 times, creating a number of records in the history of Chinese aerospace. Since its first launch mission in 1984, the center has launched more than 100 different types of satellites, creating the first experimental communications satellite, the first practical communications satellite, and the first international business satellite. The lunar exploration satellite, the first relay satellite, the first large-thrust bundled launch vehicle, and many other “firsts†in the history of Chinese aerospace have contributed to China’s space launch to high-grade, to the world, and to deep space. .
The Tianxing No.1 04 star and the Long March-3C carrier rocket were developed by China Aerospace Science and Technology Corporation and China Academy of Launch Vehicle Technology. This mission is the 241th flight of the Long March series of launch vehicles.
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