Chapter 751 Thermal Accumulation?

Aerospace Technology Group.

In the factory building of Jinmen Aerospace City, a huge cylindrical core module is parked in the center of the factory building.

The last inspection before going to the sky is about to begin, and the engineers of the Fifth Academy are conducting routine safety inspections on the equipment on the completed core cabin.

After checking the wiring of the core cabin door and confirming that it can be opened and closed normally after entering the password, Sun Yuanpei, wearing a safety helmet, raised his arm and rubbed it against his forehead, grinned, and chatted with another engineer next to him.

"...Chief designer of the Lunar Orbit Construction Committee, Professor Lu has really covered the sky this time."

While burying his head in the work at hand, Zhao Xianpu didn't even raise his head, and hummed in response: "Isn't it?"

In a word, the launch plan was scheduled for the end of the month, and they, who were still resting on weekends, immediately came to the unit.

Sun Yuanpei shook his head and said: "Sometimes I really don't understand what this guy is thinking. Honestly, wouldn't it be good to be a veteran in the field of controllable fusion? I heard that this guy made a special trip to resign from his position as the director of the nuclear fusion energy program execution center." , The position of chief engineer of East Asia Electric Power was also given to someone else, and he ran over to engage in spaceflight with determination... Isn’t this crazy.”

In his opinion, no matter how developed the aerospace industry is, its future is definitely not as good as the controllable nuclear fusion that is in full swing.

Don't look at anything else, just looking at the controllable nuclear fusion technology and the engineers of East Asia Electric Power, how many national interests they have won for Huaguo in the world, is enough to meet the bright and unlimited future of this industry.

However, this Professor Lu seemed to turn a blind eye to all of this. After completing the research on controlled nuclear fusion, it was like throwing away a toy that he was tired of playing, and put all of this aside.

In the eyes of most researchers, this is not only unimaginable, but also incomprehensible.

After working so hard for so long, isn't it just to taste the fruit of the final victory?

It's really unbelievable to get out when it's time to pick the fruit.

Zhao Xianpu straightened the helmet on his head and closed the circuit protection cover on the bulkhead.

"Ghost knows what he's thinking."

At this time, a slightly younger engineer next to him interrupted and said, "Maybe he has a different realm from ours?"

Sun Yuanpei curled his lips: "They both have two noses and one eye, what's the difference?"

At this moment, footsteps came from outside the factory building, and the three of them started chatting immediately.

Not long after, Zheng Xiangdong, vice president of Hangke Group, and academician Yuan Huanming, chief engineer, walked into the factory building followed by a group of people.

Walking in front of Sun Yuanpei, Academician Yuan glanced at the core cabin, then looked at him and asked.

"Is the inspection complete?"

"It has been completed, and there is no problem with all the routes." Sun Yuanpei straightened his back immediately, and handed the old gentleman the form with the check marks in his hand.

After taking the form and looking at it, Academician Yuan nodded, and then looked at the director of the space station system of the Fifth Academy behind him.

"Let's start the inspection."

"OK!"

Director Zhang nodded and immediately complied.

Originally, this inspection was scheduled for two days later, but because Xingkong Technology was ready for the next launch, and the space agency was pressing harder, so all the work was advanced.

However, Sun Yuanpei, who is the project engineer of the space station, is not worried. The design of the core module of the Moon Palace can be said to have condensed the most advanced technology of the entire Aviation Science Group and improved on the basis of the core module of the Tiangong.

Soon, the core module was sent to the vacuum chamber, suspended by four cables. As the gas in the vacuum chamber is gradually evacuated, the entire core module is already in an environment similar to outer space.

Immediately afterwards, the engineer in charge of the operation pressed the start button, and all the equipment on the core cabin except the solar panel was activated, and at the same time, the operation status of each component and various physical parameters were all reflected on the screen of the console .

"Everything works fine!"

Standing next to Academician Yuan, Zheng Xiangdong, vice president of Air Science Group, heaved a sigh of relief, and a smile spread out of his tense expression.

However, at this moment, Academician Yuan next to him frowned slightly.

"... something is wrong."

The heart that had just been put down for a long time hung up again, and Zheng Xiangdong immediately looked at Academician Yuan and asked.

"Where can't it work?"

Academician Yuan did not answer directly, but spoke after a moment of silence.

"Look again."

Zheng Xiangdong said nervously: "Don't scare me..."

The launch mission is about to start at the end of the month, and if something goes wrong at this juncture, he cannot bear the responsibility.

Academician Yuan didn't speak, his eyes were still tightly locked on the screen.

Seeing that the boss did not continue to speak, Zheng Xiangdong felt a little more relaxed.

Maybe I read it wrong?

So comforting himself, he collected himself and continued to look at the screen on the console.

ten minutes……

twenty minutes……

After half an hour, the mutation finally happened.

I saw that the temperature curve of each component fluctuated upwards, and finally showed an obvious upward trend. According to the temperature-time function prediction, the temperature of the entire core compartment is rising rapidly, and will reach a critical value after 24 hours, and the antenna control element will first shut down due to overheating.

Seeing this scene, a drop of cold sweat slipped across Sun Yuanpei's forehead.

At the same time, a terrible word came to his mind.

Heat piled up!

Judging from the current rising temperature trend in the spacecraft, the total heat generated by the core module has obviously exceeded the heat dissipation load of the thermal control system.

Not only Sun Yuanpei saw this, but other engineers and researchers in the laboratory also noticed something was wrong.

Academician Yuan was the first to react, and he said decisively.

"Stop the experiment! Introduce protective gas."

"Yes!"

The engineers in the laboratory quickly got busy.

With the opening of the airlock, nitrogen gas poured into the vacuum chamber, the power of each component was turned off one after another, and the working temperature of the core cabin finally dropped.

However, none of the engineers in the laboratory showed a relaxed expression on their faces.

Especially Director Zhang standing in front of the console, and engineer Sun Yuanpei, who was in charge of the space station project, had pale expressions on their faces at the moment.

"damn……"

Even though he didn't understand the technical issues, Vice President Zheng Xiangdong could see something was wrong from the atmosphere at the scene, and quickly asked Academician Yuan who was standing beside him.

"What happened?!"

Academician Yuan frowned, then shook his head and explained briefly.

"Big trouble."

Although he hasn't disassembled the entire spacecraft, he has roughly seen the general idea.

Apparently, the problem was with the loop heat pipes in the core compartment.

This kind of loop heat pipe is usually used as a cooling system of spacecraft, and the heat is transferred from the electronic equipment to the cooling plate by evaporating and condensing the fluid, and released in the form of heat radiation.

If there is a problem with this part, no matter how perfect the other components are designed, it will be useless!

Now there are only two ways to solve this problem, one is to remove the entire loop heat pipe and redesign it. Either at the expense of the performance of the spacecraft, streamline or even remove some high-heat-generating equipment to reduce the total calorific value of the entire spacecraft.

However, here comes the problem, this thing is not a work module, nor an experiment module, nor a node module, but the core module that is the heart of the entire "Moon Palace" space station! Its significance is equivalent to the "Dawn" functional cargo compartment of the International Space Station.

Even if they want to dismantle some high-heating equipment, there is nothing extra to dismantle.

However, if the entire loop heat pipe is removed and the heat dissipation system is redesigned, it will not only mean that billions of RMB will be wasted, but it will also mean that the entire lunar orbit space station plan will be affected.

Hearing the sound of "big trouble", Vice President Zheng only felt cold hands and feet for a while, and sweat gradually oozes from his forehead.

The next launch mission is at the end of the month.

Now the core cabin is ready to go to the sky, but unexpectedly something went wrong at a critical time.

If it is normal, the problem that was checked out before going to heaven can be regarded as a blessing in misfortune.

But now is an extraordinary period. The life support unit of the Ares project has just been launched into space, and the whole country is looking forward to the Moon Palace project being able to win the battle. As a result, the most critical core module has lost its chain.

If it is not done well, the entire 2021 launch plan will have to be postponed...

This responsibility is not something that a vice president can take on.