Chapter 90

Zhang Yuan nodded, indicating that he could understand.

Even lazy people like Li Zhendong have become in a hurry and want to make some achievements.

At the beginning of boarding the spacecraft, although there was the pain of parting, there was also a sense of expectation and freshness for the future.

But now, this sense of expectation slowly passed, the pace of life in the spacecraft became faster and faster, and fewer people chatted on the roadside.

Because everyone clearly knows that this is in the desolate and vast universe, and this Mothership is everyone's whole.

This sense of security is seriously inadequate.

Although the earth times is huge and warm and comfortable, it is still not comparable to the earth, a planet that has stood in the universe for 4.6 billion years.

If a medium-sized meteorite collides with it, it can completely destroy the spacecraft, and no one can survive.

Human beings, small and fragile creatures. If an ordinary person is exposed in the universe without a spacesuit, his life will not exceed 90 seconds, the air in his lungs will completely escape his body in a few seconds, and the residual oxygen in his blood can last for about 15 seconds.

After the next 15 seconds, people will fall into a coma. If they can survive, they can only listen to fate.

Because everyone knows these common sense, with the distance from the parent star, they can't help but feel a strong sense of uneasiness.

Even Zhang Yuan himself has such a sense of uneasiness. He often convulses in his dream and wakes up to find that he just had a nightmare and fell asleep again.

Therefore, Zhang Yuan's entertainment gossip has become a life-saving straw and is talked about with relish. Because people want to deliberately create a relaxed environment similar to the earth in their intense work to comfort their subconscious fear.

Such subconscious changes are normal. There are some psychological experts in the spacecraft who are specially responsible for controlling this aspect. Large group activities are often held within each community, not only to increase group awareness, but also to treat cosmic phobia.

But even so, there were dozens of patients with depression in half a year.

"So, if you want to find a life partner, you'd better find a more beautiful girlfriend. Two people can complain to each other. One person can only fight hard. Unless your psychological quality is particularly good... "

Again, again.

Zhang Yuan quickly turned his head as if he hadn't heard.

"By the way, after the spacecraft turns successfully, the nuclear power engine will be shut down and will not be restarted until half a year later. If there is any observation experiment, you only have one day today... Or you can visit the lateral engine. "

Zhang Yuan nodded. Elder martial brother Zhao is really a very good instructor. Even when the experimental conditions are very poor, we can always put forward suggestions that are very suitable for the time.

In this respect, he is much more qualified than academician Ding. Up to now, Zhang Yuan has not seen Ding Zhaodong several times except for the regular meeting at the beginning of each month... Even if he sees him, he can't say a few words.

In the next few minutes, he leisurely came to the side engine observation room, where there were highlighted screens, and many staff were focusing on the parameter changes.

From one of the display screens, we can see that long plasma flames are ejected from the flanks, making the whole spacecraft rotate slowly.

The angular velocity of the spacecraft is very low. It takes more than 20 hours to complete 180 degree rotation, so everyone is basically unaware of it.

Looking at the second screen, it shows the plasma turbulence in the reaction furnace. Under the extremely high brightness, it is still a little dazzling even after special treatment.

This infrared spectrum is like a complex water vortex. The transport of plasma across the magnetic field is mainly driven by low-frequency drift wave turbulence.

"Hi, Zhang Yuan!"

"Hi, hello." He said hello to several colleagues, but no one paid attention to him. Zhang Yuan studied these screens on his own.

The high temperature generated by nuclear fusion will vaporize the metal sodium in the furnace wall. These hot sodium vapors can do external work and generate electric energy.

At the same time, the plasma will be ejected as working medium under the action of magnetic field to provide kinetic energy for the spacecraft.

The principle is simple, but this nuclear engine device is the crystallization of mankind's highest wisdom. It is so complex that every part, even the welding method, can write a paper!

It is also the second generation of human nuclear fusion engine.

After the fusion of a helium 3 nucleus and a deuteron, it produces a helium 4, a proton and huge energy. Because it does not produce neutrons, it is cleaner and more stable than deuterium tritium fusion, and the maintenance cost is lower.

However, the exploitation of helium-3 on the moon is actually a big trick in aviation engineering. Because the abundance of helium-3 in the lunar soil is too low and the cost of mining is too huge, it will be found that helium-3 fusion is not as cost-effective as the first generation deuterium tritium fusion.

However, building a space base on the moon is not useless, because the moon is the most suitable natural base for space industry production. Even if helium-3 is ignored, the moon still has great development value.

Until the later Jupiter base was developed, the second-generation nuclear engineering helium-3 fusion was really popularized.

"What you see now is the flow image of plasma turbulence. How beautiful it is! The control software was designed by your father using the general method of wavelet transform 30 years ago, and it is also the best algorithm in human beings. "

In the observation room, a senior brother named John Wilson spoke.

"Really? The universal method of wavelet transform... "Hearing his father's name, Zhang Yuan was very proud.

"But in essence, the problem of plasma turbulence has not been completely solved."

John Wilson is a high-tech talent who specializes in plasma physics. He laments all day that human technology is too poor, too naive and so on.

However, he is actually a very simple person.

"Isn't it well constrained now? The current method has been quite stable. Theoretically, there will be no accidents for decades or centuries. " Hearing that John was questioning his father's achievements, Zhang yuanlue was a little unconvinced.

"Yes, it's really stable. But in your ancient Xia language, it's not wonderful to work miracles vigorously and restrain these plasmas in a very rough way! "

John Wilson said with great certainty: "if only 10 T magnetic fields are used to restrain, I can guarantee that these high-temperature plasma will still splash on the furnace wall and stop the whole device!"

Now the magnetic field intensity used by humans is 100t, which is 10 times larger.

In addition, supercomputers monitor these plasma turbulence all the time and use super computing power to maintain the balance of turbulence. No wonder they are called the typical example of making miracles with great power.