Why did Shenzhou 13 go to heaven? What's new technology? do you know? Don't worry, now I will help you to understand what missions Shenzhou 13 has.
In the construction of Tiangong Space Station , in 2021 and 2022, a total of 11 launch missions are planned, has 4 manned, 4 cargo, and 3 segment launches . So far, the launch of the cabin segment has been completed once, namely and core module , which was successfully launched in April 2021; the cargo spacecraft has been launched twice, namely , Tianzhou-2 and Tianzhou-3; The manned spacecraft is also twice, Shenzhou twelve and Shenzhou thirteen.
The main line of the mission of Shenzhou XIII is to continue to verify the technologies of the space station on the basis of Shenzhou XII. The first thing that bears the brunt of this is the robotic arm assisted segment transposition technology.
We know that the main body of our space station includes the sky and core modules, as well as the Mengtian experimental module and the Wentian experimental module. The Tianhe cabin is already in orbit, with a total weight of more than 20 tons, while the Mengtian cabin and the Wentian cabin each weigh more than a dozen tons.
The greater the mass, the greater the inertia, and the size of these cabins is also very large. It is not an easy task to connect such a few behemoths together in space.
Also note that the design positions of the two experimental modules of our space station are on both sides of the sky and core modules ,The docking at this position is called radial docking .
Spacecraft axial docking is relatively easy
The general spacecraft docking will adopt axial docking, which means that two spacecrafts are docked one after the other. Relatively simple.
But if the radial docking is performed on the side of the interface, the difficulty will be much higher. This difficulty can be overcome for the lighter-weight Shenzhou spacecraft .
The radial docking of spacecraft is more difficult.
However, for the two giants, the experimental cabin and the core cabin, if they are directly docked radially, they are very prone to collisions, which is extremely risky.
Therefore, our engineers thought of a very clever way, that is, allows the experimental cabin to be axially docked with the core cabin, and then the experimental cabin is transferred to the radial direction on both sides with the assistance of a robotic arm. To interface . This technology is the robotic arm assisted segment indexing we just mentioned.
Robotic arm auxiliary module transposition
This technology is one of the keys to the construction of a space station. We can find out how difficult this technology is if we think about it ourselves. The robotic arm grasps a behemoth of more than ten tons, and nothing is bad. The reliability of the robotic arm, the proficiency and stability of the operator, and the logic and sensitivity of the automatic control system, slightly worse, the may cause the experimental cabin and the core The cabin collided,The result will be catastrophic.
Even more difficult is that this kind of operation takes place in space. Space is weightless , and the size of the robotic arm and the cabin are very large. It is difficult to create a zero-gravity environment like space on the ground. And to carry out full-scale equipment verification and training, so it can only be studied and verified through simulation and simulation.
Tianhe core module 1:1 structure verification piece
But now, the good news is coming, just mentioned these technical difficulties, our aerospace industry has broken through , and this time Shenzhou Ten One of the most important tasks of No. 3 is to carry out the final practical verification of this robotic arm auxiliary cabin transposition technology. Once the verification is successful, it will pave the way for the next construction of our space station. Is it very awesome.
Let's go on to say that other tasks of Shenzhou XIII are basically based on Shenzhou XII, and continue to verify and implement various technologies of the space station. For example, we will continue to install and improve the robot arm during the exiting activities; the astronaut’s residence time has increased from three months to six months in God 12, further verifying the long-term life support technology in orbit; and comprehensively performing the various systems of the space station Verification and debugging etc. etc.
It is worth mentioning that there is a female astronaut participating in the Shen XIII mission. She is Wang Yaping. If nothing else, Wang Yaping will be the first to enter China’s Tiangong space station and the first to proceed. Chinese female astronaut on a spacewalk.
The three astronauts of Shenzhou 13
Moreover, the government also announced that Wang Yaping will once again teach the space teaching to middle and elementary school students across the country as it did on the Shenzhou 10 8 years ago.This is also what I am most looking forward to. The god ten lecture was watched online by 60 million teenagers across the country. This time Wang Yaping's lecture will inevitably attract more audiences, which is of great significance to the improvement of national scientific literacy.
Shenzhou 10 space teaching, looking forward to Wang Yaping at the Tiangong space station to teach us again
So here, let us wish Shenzhou 13 a complete success, the astronauts can successfully complete the mission and return home safely , Please come to a long press to like and strongly recommend to support it. If you want to know more about China's aerospace story, please follow me, my name is @四角切圆 , see you next time. #科普有料# #What is the difference between the tasks of God Thirteen and God Twelve# #神舟十一号#
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