Adaptability Improvement, China Aerospace More Reliable

IT House June 5 news, this morning, the Shenzhou 14 manned spacecraft was successfully launched. Our “God 14” adopts the autonomous rapid rendezvous and docking mode. After 6 autonomous orbit changes, it successfully docked with the radial port of Tianhe core cabin at 17:42 on June 5, 2022, Beijing time. The entire docking process lasted about 7 hours.

It is worth mentioning that, entering the space station era, the Shenzhou spacecraft and the Chang 2F rocket have adopted a mode of one master and one backup.

According to CCTV, the Shenzhou 15 spacecraft will not only “meet” with the Shenzhou 14 at the space station, but also undertake emergency rescue missions. Before the launch of Shenzhou 14, Shenzhou 15 was ready at Jiuquan Satellite Launch Center. “If Shen 14 fails and cannot return, it is necessary to urgently launch a rescue spacecraft to bring the astronauts back to the ground.”

The launch of the Shenzhou 14 manned spacecraft was a complete success. While the Shenzhou 14 manned spacecraft fully inherited the performance of the Shenzhou 13 spacecraft, the designers also addressed some phenomena found during the Shenzhou 13 stay in orbit. Adaptive improvements have been made to make the Shenzhou 14 spacecraft more suitable for the long-term stay in the space station.

Jia Shijin, chief designer of the Shenzhou manned spacecraft system of the Fifth Academy of Aerospace Science and Technology Group, said that staying in orbit for a long time will have a huge impact on the spacecraft due to the space environment, so it is a test for the adaptability of the equipment on the spacecraft. After the mission assessment of Shenzhou 13 spacecraft in orbit for half a year, we have conducted a comprehensive test of the overall performance and equipment status of the spacecraft. The results show that the Shenzhou spacecraft is designed to be in orbit for half a year, and the Shenzhou 14 spacecraft will enter a standby state after delivering the astronauts to the core module of the space station.

To put it simply, the astronauts’ life was mainly carried out on the space station during the Shenzhou 14 orbit, so the Shenzhou 14 spacecraft docked on the space station is actually a state of standby.

Its main task is that in the event of an emergency evacuation of the astronauts, the Shenzhou 14 spacecraft should be ready to bring the astronauts to a safe environment until they return to the ground.

In order to ensure the safety of the astronauts, the Shenzhou spacecraft and the Chang-2F rocket have adopted a mode of one main and one standby, and the backup rocket and spacecraft have the ability to quickly launch and emergency rescue. Therefore, before the launch of the Shenzhou 14 manned spacecraft, the Shenzhou 15 spacecraft has also been prepared at the Jiuquan Satellite Launch Center.

IT House understands that during the half-year stay of the Shenzhou 14 crew astronauts at the space station, the Shenzhou spacecraft is also required to have the ability to launch quickly and return in an emergency, so the “Shenzhou 15” needs to be prepared at any time. Good for carrying out the task of emergency rescue standby.

If the spacecraft in the sky fails and cannot return, we will urgently launch this rescue spacecraft, which can be launched into orbit in a very short time and bring the astronauts back to the ground. Therefore, before the launch of Shenzhou 14, Shenzhou 15 had completed the preliminary final assembly test and standby preparation work at the launch site, and had the conditions for emergency launch.

Of course, the spacecraft has one master and one backup, and so does the Long March rocket.

As we all know, the Long March 2F rocket is the only rocket in my country that can perform manned missions. With the successful launch of Shenzhou 14, another rocket of the same type has also started to “stand guard” at the launch site, and it also has the The ability of emergency rescue is also a normal state of the Chang-2F rocket in the space station stage.

Once the astronauts encounter some very urgent situations in space and need us to return urgently, then we will start the emergency rescue launch, launch it as soon as possible, go up to rescue our astronauts, and bring them home safely.

That is to say, whenever a Shenzhou spacecraft performs a mission, there will be a spacecraft on standby at the launch site, ready for emergency rescue at any time. This mode of one master and one backup has become the normal state of my country’s space station missions.

It is understood that Shenzhou 15, which is currently on standby, not only undertakes emergency rescue tasks, but will also “meet” with Shenzhou 14 at the space station in half a year. The two space crews will rotate in orbit for 5 to 10 days while in space, and then the crew of Shenzhou 14 will return to the ground on Shenzhou 14.

“Shenzhen 12 was successfully launched, and Shenzhou 13 is ready to fly at any time”