Hand rubbing nuclear fusion live in the wilderness

Chapter 456 Control of Plasma Turbulent Flow
After recovering from his conjecture, Han Yuan glanced at the barrage and said with a smile: "The construction of a controllable nuclear fusion reactor cannot be completed in a day or two."

"Before building such a reactor that can provide huge energy, we need to understand its principle and complete the corresponding theoretical writing."

With that said, Han Yuan turned on the newly installed projector in the workshop and pulled down the blackout curtains.

"This time, I will not write the technology related to controllable nuclear fusion from scratch, because it is too long."

"So in order to save some time, after discussing with the team, the team will provide the material and I will explain it."

While speaking, Han Yuan inserted the silver-white data memory left to him by the previous host of Taishan base into the special device.

What is contained in this data memory is the 'controllable nuclear fusion technology' that he has learned all about.

Because this technology is not the knowledge information passed to him by the system, Han Yuan didn't want to copy it from beginning to end, so he found an excuse to use it directly.

Anyway, up to now, he has been able to fully interpret the data interface used by the former host and create it.

The data storage device is connected to the central computer, and the light of the projector is illuminated in the dimly lit workshop.

The audience in the live broadcast room, whether they were ordinary viewers or experts from various countries squatting inside to learn technology, all opened up their spirits.

Everyone knew that what was about to be displayed in front of them was information related to controllable nuclear fusion technology.

It may even be a complete set of profile information.

Because according to the anchor's previous habits, he is used to compiling all the information of a technology from beginning to end.

In the dimly lit workshop, the light of the projector shone on a curtain, and Han Yuan controlled the central computer to open the controllable nuclear fusion information in the data storage device.

Countless things similar to folders came into everyone's eyes.

Looking at the projection, Han Yuan said, "These different files correspond to different parts of the controllable nuclear fusion."

"Some are data models, some are architectural models, and some are material information. I don't know which ones do you want to see first?"

As soon as these words came out, the live broadcast room became lively.

[Come, come, come, it's time to test the level of knowledge in everyone's minds! 】

[I remember that there are many problems in controllable nuclear fusion, such as the first wall, magnetic confinement, and superconducting materials. 】

[If you want to talk about the biggest difficulty, which is also the common difficulty of all controllable nuclear fusion research, there is only one thing I can think of, and that is: how to realize that the real output is greater than the input. 】

[Upstairs, you are pure nonsense, this question basically covers all the questions. 】

[I think this question should be left to scientists, there are absolutely no scientists in this live broadcast room. 】

[Don't think about it, there is a cliff! 】

['Princeton' sent out a super rocket *100, can the anchor talk about the control of plasma turbulence in detail? 】

Following Princeton's [-] super rockets, the entire live broadcast room was filled with special effects of rockets taking off.

The netizens in the live broadcast room were shocked immediately.

[Princeton?what is this?From that department? 】

[Princeton, the full name of Princeton University, is the sacred place of mathematics and physics in the world! 】

【Brilliant! 】

[One super fire is 5000 yuan, one hundred is 50!Those who do mathematics and physics are still rich. 】

[The problem of plasma turbulence control is the world's top super problem, let alone 500 million, even if it costs 5000 million, it is worthwhile, of course, the premise is that you have exclusive access to φ(*￣0￣)]

[Anchor, anchor, start an auction, whoever has the most super rockets, you can privately send the answer to him. 】

[This is a good idea. 】

[The anchor, tell me, how much is the USB flash drive in your hand, I bought it!As long as you make an offer, I will never counter-offer! 】

[Anchor: One trillion! 】

[Hua Guo: I bought it! 】

[Really rich and powerful! 】

[Hahaha, if it is really exclusive, let alone one trillion, even ten trillion controllable nuclear fusion technology is worth it. 】

There was a lot of discussion in the live broadcast room, and various barrages of ridicule continued.

Looking at the super fire floating on the virtual screen, Han Yuan saw the question raised by Princeton University.

"Is the control of plasma turbulence a problem?"

Flipping through the folders, Won opened one of them.

All kinds of materials are presented in front of everyone.

There are documents similar to PPT, data software, graphics files, and the most critical mathematical models.

With a tap of his finger on the keyboard, Han Won immediately opened two files.

And with his operation, the picture projected by the projector on the screen was divided into two halves.

The left half shows a pseudo 3D mathematical model that is constantly beating, while the other half shows related graphics.

When the file was opened, Han Yuan cleared his throat and said, "Turbulent flow is actually a flow state of 'fluid'."

"The so-called fluid is actually an object form corresponding to a solid, such as water, air, etc. It is a general term for liquid and gas."

"Of course, in a broad sense, fluid is not limited to common substances such as water flow and air. In theory, any substance that can flow, and any object that can be continuously deformed under the action of any small shear force, can be called a fluid."

"The same is true for the high-temperature plasma in controlled nuclear fusion, which can also be called a fluid."

"As for turbulence, it is a state of flow of a fluid."

"There are many types of turbulent flow. When the flow velocity of the fluid is very small, the fluid flows in layers and does not mix with each other. It is called laminar flow, also known as steady flow or sheet flow;"

"But the velocity of the fluid gradually increases, and the streamline of the fluid begins to oscillate in a wave-like manner. The frequency and amplitude of the oscillation increase with the increase of the flow velocity. This flow condition is called transitional flow;"

"Beyond that, there are modes like turbulence, turbulence or turbulence."

"The turbulent flow problem is one of the more classic and difficult problems in mathematics, and the plasma turbulent flow is the most difficult of the turbulent flow problems."

"In addition to the very fast speed of the plasma, the lack of collisions between the plasma ions will also have complex interactions through electric and magnetic fields, which will make the calculation of plasma turbulence more difficult."

"However, no matter how difficult the problem is, there is a solution."

"As for this problem, it can be solved through the Navier-Stokes equation (Navier-Stokes equation)."

As he said that, Han Yuan tapped the keyboard in his hand again, zooming in on the model that was simulating the rotation, occupying the entire projection screen.

"This is a mathematical model based on the theory of the Navier-Stokes equation."

"It simulates the operating state of a high-temperature plasma bound by a strong magnetic field in a controllable nuclear fusion center. You can take a look first."

It was said that the audience in the live broadcast room all turned their attention to the mathematical model, and the experts from all over the world even held their breath and stared at the display with full concentration.

What Won played was a dynamic model picture, the background of the picture was pitch black, and the screen color showed a two-dimensional Mobius ring shape, just like a twisted tire.

And in this black tire, there are countless small hazy lights of two colors, and these small lights are moving randomly and jumping in the picture.

But in general, these bright lights have a certain movement law in the black Mobius ring.

In addition, with the movement of these bright lights, every minute and every second, two bright lights collide and turn into faint smoke.

[Student party said that the mathematical model is like this?Apart from admiring it, I can't understand it at all! 】

[Xueba said he couldn't understand it either! 】

[Unable to understand +1]

【+1】

【Me too. 】

【+10086】

[Anyone who can understand this will probably be able to enter the Chinese Academy of Sciences. 】

[What do these bright lights represent? 】

[The black background should represent the bound magnetic field, and these bright lights should be deuterium and tritium, right?Is the smoke produced by the collision representing the energy released by deuterium and tritium? 】

[A model based on the theory of the Navier-Stokes equation, does this mean that it is correct based on the Navier-Stokes equation?This is one of the seven millennium problems! 】

[For this anchor, the seven millennium problems should be nothing, or, in his hands, the seven millennium problems have already been solved. 】

[Curious, is this what a controllable nuclear fusion center looks like? 】

[This is just a simulated model, the real situation should still be different. 】

Regarding the mathematical model shown by Korean Won, the audience in the live broadcast room looked confused, and could only speculate on the representative meaning of each object in the model according to their own guesses.

Only experts who have directed research on controllable nuclear fusion can roughly understand the meaning of this model.

Looking at the barrage, Han Yuan smiled and explained: "The black background represents a controllable electromagnetic field, and those bright lights represent ion turbulence moving at high speed in the magnetic field."

"The smoke after the collision represents the energy released after the fusion of two atoms."

After a pause, Han Yuan continued: "The turbulence problem of the plasma in the controllable nuclear fusion is actually not one, it actually has two."

"The first is a turbulent flow problem in the conventional sense."

"It is well known that in the strong magnetic field of controllable nuclear fusion, the motion of fusion plasma is very complicated."

"Circular motion and parallel motion are coupled with each other, electric field and magnetic field lead to long-range interaction without collision, collective effect of a large number of particles, non-thermal equilibrium effect, multi-time-space scale, nonlinear and other many and complicated factors are entangled together, resulting in The motion of the magnetic confinement fusion plasma is almost unpredictable."

"Besides, because fusion plasma is an electromagnetic fluid, particles can interact complexly through electric and magnetic fields without collisions, making it even more incalculable."

"However, this problem has a solution. As long as it is a fluid, almost all of them can be modeled by the Navier-Stokes equation."

"It's just that external magnetic fields need to be considered when modeling plasma turbulence in controlled fusion."

"By contrast, plasma turbulence in controlled fusion has an even bigger problem."

With that said, Han Yuan adjusted the projection screen and switched to another dynamic image.

"Everyone watch this."

"Although this is just a model diagram drawn artificially, it can also represent the internal situation of the nuclear fusion device to a certain extent."

Hearing this, the audience quickly turned their attention.

This is a partially enlarged version of the dynamic diagram of the internal structure of controllable nuclear fusion.

It shows two atomic nuclei colliding.

After they collided and produced fusion, the smoke produced, that is, the energy would expand rapidly, and when an atomic nucleus that was originally moving towards here approached a certain distance, it seemed to be pushed by someone. Put, forcibly changed the trajectory, and left towards the top.

[This is the demonstration of the fusion process of atomic nuclei and atomic nuclei, right? 】

[There is an atom that is so unlucky, it was knocked out just after flying over. 】

[Really, I just noticed that there is an L-shaped trajectory drawn by a light spot. 】

[It should be pushed out by the large amount of energy generated when the two atomic nuclei fused just now. 】

[Fusion between atomic nuclei will release energy, which can interfere with the movement of other substances, isn't this normal? 】

[Will this affect the control of the magnetic field? 】

The dynamic diagram shows the internal reaction of controllable nuclear fusion to a certain extent, allowing the audience in the live broadcast room to understand what nuclear fusion looks like, but it also makes physics experts from all over the world frown tightly.

Originally, the problem of controlling the turbulent flow of plasma was difficult enough, but now there is also the problem of energy interference, which is even more difficult.

If a mathematical model is established for plasma turbulence, it can be done after solving the Navier-Stokes equations.

Then, to establish a mathematical model for the fusion plasma turbulence after energy disturbance, I am afraid I dare not even think about it.

This may not be a turbulent problem anymore, but a real chaotic system.

No wonder confinement of fusion plasmas is so difficult.

For a long time, they have always put the control of the direction of magnetic confinement on the conventional turbulence problem, but they have not considered the influence of fusion energy interference.

If it weren't for the person in the live broadcast, I'm afraid it would be at least ten years before humans discovered this problem.

Han Yuan glanced at the barrage and said, "Everyone should have noticed that after the fusion of two atomic nuclei, the energy released forcibly changed the trajectory of the other atomic nucleus."

"That's another piece of the puzzle in the problem of plasma turbulence control in controlled nuclear fusion."

"The fusion between atomic nuclei will release a huge amount of energy."

"This part of energy will have a certain impact on the magnetic field of the core, thereby deflecting the movement of other atomic nuclei, causing other atomic nuclei to escape the shackles of the magnetic field."

"It's like putting a stone in a small river that was originally gentle. When the water flows through this stone, it will create a vortex."

"This is also part of the puzzle in plasma turbulence."

"And to solve this problem, the Navier-Stokes equations are useless."

"This is a truly chaotic system that needs to be approached from another angle."

(End of this chapter)