Chapter 1110: Spacesuits
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Chapter 1110 Spacesuit
It is said that they are not afraid of taking risks, and for the sake of the motherland's aerospace industry, even if they throw their heads and spill their blood, they will not hesitate to do so.
It's just that after Zhao Zhongyao listened to their words, he smiled and said, "It's not something you can do if you want to." Now, you still have nine astronauts who have not conducted a space experiment! This time you need two astronauts. But I can't say who can and who can't! For the sake of fairness, I think it's better to have an assessment competition. ”
As soon as Zhao Zhongyao said this, the other astronauts naturally had no choice but to fight. After all, Zhao Zhongyao's statement is very fair. In such a competition, whoever has good results will go, isn't this a bowl of water!
Although Zhao Zhongyao also wanted Zhai Fanggang and Jing Tianpeng to carry out this manned space experiment, he couldn't say that directly! Otherwise, other astronauts would definitely think that he Zhao Zhongyao was facing these two guys!
Because of this, Zhao Zhongyao also called Zhai Fanggang and Jing Tianpeng to his office before assessing everyone.
Zhao Zhongyao looked at the two of them and said, "Actually, this time, I want the two of you to carry out this manned space experiment. But I can't just let you two go. The other astronauts are looking at me, too! I'll have to test you again. I hope that the two of you will work hard and be able to rely on your own strength to get the quota for this space experiment. ”
Zhai Fanggang and Jing Tianpeng listened to Zhao Zhongyao's words, and said in unison: "Don't worry, Mr. Zhao, the two of us will definitely be able to defeat them." ”
"Okay, that's it, you two get ready, and tomorrow we will start the astronaut selection assessment. Zhao Zhongyao said again.
"Okay, we got it. The two said the same thing together.
In this way, Zhao Zhongyao conducted another assessment of these nine astronauts. The content of the assessment is similar to that of the previous training team, that is, the theoretical assessment must be carried out first, and then the physical fitness assessment will be carried out.
The results of the final assessment really satisfied Zhao Zhongyao. Zhai Fanggang and Jing Tianpeng won the first and second places respectively, beating the other seven astronauts. The two of them finally got their places in the next space expedition.
Seeing such achievements, Zhao Zhongyao also praised Zhai Fanggang and Jing Tianpeng a few more words.
"Well, you two lived up to my expectations of you guys and got 1st and 2nd place. "Let me start with two words of praise for you.
Zhai Fanggang and Sedum Tianpeng listened to Zhao Zhongyao's words, and they were also very happy. The two of them just laughed together.
"But then again. It is naturally not easy to be able to select astronauts. But the training you will face next is also more difficult.
This time, the task you have to face is even more important than Yang Chengwei's last mission! Last time, Yang Chengwei only stayed in the space capsule. until he fell from heaven. Didn't get out of that capsule at all.
But this time, it's different. You're on a spacewalk mission. You have to go to space to feel what kind of environment outer space is like.
Therefore, the training task that the two of you will receive next is also a training task, and it is also very hard. I don't know, if you two are willing to accept it. If you two feel that you don't want to suffer and don't want to accept this spacewalk mission, then I can also change two more astronauts. ”
Before Zhao Zhongyao officially trained Zhai Fanggang and Jing Tianpeng, he also wanted to say some words in front of him, so that they could be prepared in their hearts.
"Mr. Zhao, don't worry! We will definitely be able to complete the training task. We are all soldiers, how can we be afraid of hardship and tiredness!" Zhai Fanggang looked at Zhao Zhongyao and said.
"Yes, Mr. Zhao, we will never be afraid of hardship and tiredness, we can endure hardship. All you have to do is train us. Sedum said the same.
"Okay, then from tomorrow, you can start to receive closed training! The training time is half a year. Half a year later, we will conduct the second manned space experiment. The two of you need to be mentally prepared first. Zhao Zhongyao said again.
"Yes, everything is under the command of Mr. Zhao. Zhai Fanggang and Jing Tianpeng listened to Zhao Zhongyao's words, and they were also very happy. I thought that I was about to become a real astronaut.
That night, Yang Chengwei also came to Zhai Fanggang and Jing Tianpeng's dormitory and chatted with the two of them about the next manned space mission.
"Congratulations to both of you, you finally have the opportunity to travel to space. As soon as Yang Chengwei came to Zhai Fanggang and Jing Tianpeng's dormitory, he said so.
"Hey, Cheng Wei, what do you feel like in the sky? Zhai Fanggang looked at Yang Chengwei and asked.
"Yes, Cheng Wei, the last time you went to heaven, I heard that you heard some tapping sound in the middle of the night. What the hell is going on. In space, how could anyone knock on the door!" Of course, Sedum also heard about Yang Chengwei hearing some strange knocking sound in space. He still doesn't understand what the hell is going on!
Yang Chengwei now pretended to be mysterious and said: "Hey, it's really scary! At that time, I thought it was haunted! I thought to myself, are there ghosts in this space? How could I encounter a ghost knocking on the door in the middle of the night." Speaking of which, I was a little scared. Fortunately, there are no major problems. Come to think of it, it's not a serious matter. ”
"Hey, what is the reason for that!" Zhai Fanggang and Sedum Tianpeng still don't know what caused this knocking sound.
After the completion of this space mission, the matter of this knocking sound is, of course, an internal matter. It didn't go out publicly. After all, if this happens, it will affect the mood of other astronauts in the future. It's better not to make this public.
However, Zhai Fanggang and Jing Tianpeng are no one else, they are both good friends of Yang Chengwei, of course he can talk to these two friends about it.
Yang Chengwei now almost knows what this is all about. Of course, he can't be sure. After all, Zhao Zhongyao said it, and when he said that, it was just speculation. Before they really saw those so-called small celestial bodies, no one could prove that the knocking sound that Yang Chengwei heard that night was caused by the impact of these small celestial bodies.
"This issue has been studied by Mr. Zhao and Dean Cheng. Mr. Zhao speculated that it might be caused by a small celestial body in space. In space, he said, there are also some very small space particles. These things fly around in space at will, like bullets. In fact, their speed is much faster than bullets.
When these small celestial particles collide with the space capsule, of course, they can cause some harm to the space capsule. However, these small celestial particles are very small, probably about the same as bullets. Such a small celestial particle, even if it hits the space capsule, it is unlikely to cause much damage to the space capsule.
But for the astronauts in the capsule, there will definitely be some fright. The knocking sound I heard that night was probably caused by these small objects hitting the capsule's door.
But Mr. Zhao said that all this is just his speculation. Whether this is the case or not, he is not sure. One of your missions this time is to find out what was the cause of that weird knocking sound last time. ”
Yang Chengwei told Zhai Fanggang and Jing Tianpeng about what he heard from Zhao Zhongyao.
After listening to it, the two felt that it made sense. It was likely that some small celestial particle hit the door of the space capsule, and then Yang Chengwei inside heard a strange knock on the door.
However, no one is sure about this now. Only when Zhai Fanggang and Sedum flew to the ninth heaven could it be possible to solve this unsolved mystery.
"Cheng Wei, don't worry! This time, after the two of us fly for nine days, we will definitely catch that ghost for you. When the time comes, you have to teach it a good lesson. Zhai Fanggang looked at Yang Chengwei again and joked.
"That's right, Cheng Wei. This time, we were two people flying together for nine days. No matter what happens, there will be someone to take care of, and we will definitely catch the culprit who scares you. Sedum Tianpeng listened to Zhai Fanggang's words and echoed it.
"Haha, okay, then please two of you. Yang Chengwei also laughed.
Besides, Zhao Zhongyao's current work is also very intense. On the one hand, he wants to conduct intensive training for Zhai Fanggang and Sedum Tianpeng. On the one hand, it is necessary to quickly design a brand-new spacesuit! After all, the spacesuit designed for Yang Chengwei last time cannot meet the needs of this space mission. He now had to design a new spacesuit.
A spacesuit is a personal enclosed equipment that ensures the life activities and work ability of astronauts. It can protect the human body from environmental factors such as vacuum, high and low temperature, solar radiation and micrometeors. In a vacuum, the nitrogen contained in the human blood turns into a gas, causing the volume to expand. If a person does not wear a pressurized and airtight spacesuit, his life will be in danger due to the huge pressure difference between the inside and outside of the body.
The spacesuit is a multifunctional clothing developed on the basis of the pilot's airtight suit. In the early days, spacesuits could only be used by astronauts in the cockpit of spacecraft, and later spacesuits for extravehicular use were developed. Modern new extravehicular spacesuits have a liquid-cooled cooling structure, which allows astronauts to carry out activities outside the space capsule.
In addition to the structure of the astronauts used in the cabin, the spacesuit used outside the cabin also has three layers: one is the vacuum heat insulation layer, which is used to protect the astronauts from the invasion of the extravehicular environment from overheating and overcooling when they are operating outside the cabin or on the surface of the moon and other stars, and can prevent the heat loss inside the suit. The second is the liquid-cooled suit, which is made by changing the gas in the ventilation and heat dissipation layer pipe of the spacesuit in the cabin into a liquid.
Astronauts sometimes work outside the cabin for several hours, and the body generates a lot of heat, which cannot meet the heat dissipation requirements by gas heat dissipation, while the liquid cooling working fluid can dissipate the heat very well. The third is the outermost layer, which not only has the functions of anti-high heat, anti-wear and protection of the internal layers, but also has the function of anti-solar radiation and the interface to connect other equipment.
For example, it is connected to the umbilical cord during astronauts' extravehicular activities, and is connected to carry-on health protection and environmental equipment, space maneuvering flight mechanisms, etc. The helmet of a spacesuit consists of components such as a helmet shell, a window structure, and a collar.
There are two kinds of helmets used in manned spaceflight: soft and hard, of which hard helmets are divided into fixed and rotating. Soft helmets are mostly used as components of in-cabin spacesuits. Rotating helmets have airtight movable bearings on their collars, but the increase in sealing links will reduce the airtightness and structural reliability, and increase the difficulty of design.
Zhao Zhongyao also knew something about the design characteristics of the extravehicular spacesuit during his lifetime. Now for him, all he has to do is design the structure of the spacesuit that he knows.
In this way, in the past six months, Zhao Zhongyao has been conducting intensive training for Zhai Fanggang and Sedum Tianpeng, and on the other hand, he has begun to develop a new generation of extravehicular spacesuits.
Luckily, everything went smoothly. Half a year later, these two tasks are almost complete.
Of course, other scientific researchers are not idle, and they have developed a space capsule and a flight capsule. This space mission is still different from the last one. This time, the astronauts will not only stay in the capsule, but also go out of the capsule!
The return capsule is obviously not suitable for out-of-cabin activities. In order to get astronauts out of the capsule, a new kind of flight capsule must be designed. Let this flight capsule and the return capsule be connected.
First, use a rocket to launch this capsule into space along with the flight module. Then, let the capsule and the flight capsule fly together in space. Astronauts can stay in the capsule first. When it's time to carry out the mission, they come out of the capsule and come to the flight capsule.
In the flight capsule, the astronauts have to complete the out-of-cabin activities. Wait until they've completed their mission. They then return to the surface in a capsule. And that flight capsule is left in space.
In the past six months, Zhao Zhongyao has also been very busy, on the one hand, to train Zhai Fanggang and Jing Tianpeng. On the one hand, it is necessary to design and develop new spacesuits. It is also necessary to smoothly help Cheng Yu and them to develop the space capsule and flight capsule for the second space flight.
Although the last time Yang Chengwei used the return capsule, it was already recovered. And it looks like it's still good. Manned spaceflight, that's a high-risk job. There is no problem at all. It's something that needs to be 100% successful.
So, even if it was the last recovered capsule, there wasn't much of a problem. But when it comes to new space experiments, the old capsule will no longer be used. A new capsule would have to be developed. Only in this way can the safety of astronauts be fully guaranteed.
m. Lao Tie, please remember in a second 33 尛裞網)