From University Lecturer to Chief Academician
Chapter 441 Nuclear fusion demonstration meeting, when did we have such high-end technology?
"Florists want to study controllable nuclear fusion technology..."
"Fifty years, it is impossible to succeed!"
When the news spread to foreign countries, it also attracted a lot of media reports, almost all of which were not optimistic, "This kind of large-scale engineering project, even if it is formally approved for research, has a high probability of dying halfway, no matter how much manpower is invested, Material power is also meaningless."
"Modern research into fusion is simply impractical."
"Even if American and Europe have more advanced technology, it is impossible to start research on nuclear fusion for the time being..."
"Probably just shouting a slogan, it is impossible to really invest in research."
"..."
The international media not only made judgments, but also conducted a series of analysis, and the large-scale example collider project was used for comparison.
In the past many years, large-scale particle collider projects have been demonstrated in China.
The purpose of this project is to replace the aging electron-positron collider and allow the country to have the top collider for research in related fields.
The large-scale particle collider project has equipment, technology, and theory, and there is no problem in manufacturing it. The only thing that needs to be demonstrated is whether it is worth the investment.
Even such a project has not yet officially launched.
Controlled nuclear fusion is a century-old project and is considered to be the main energy technology in the future, but the threshold for research is too high.
For example, Germany has demonstrated the manufacture of a complete tokamak device, but the budget alone exceeds 100 billion U.S. dollars.
After spending hundreds of billions of dollars in funds, it doesn't mean that the research can be completed, but that the nuclear fusion reaction can be carried out inside the device, and the results are still limited to the laboratory instead of being put into the application field.
Naturally, this kind of project cannot pass.
The reason why research on controllable nuclear fusion is not favored is because there are too many technical difficulties to be solved.
The "Times" of the Eagle Country summarized several technical problems that were difficult to break through in response to the hot spots of public opinion. The first is the difficulty of ignition.
Every ignition of nuclear fusion requires the creation of a high temperature and high pressure environment.
It is too difficult to manufacture a high-pressure environment, and it is generally replaced by a high-temperature environment, which requires an environment with a minimum of 100 million degrees Celsius.
The second point is that computer simulations are not accurate.
This is a math problem.
All research on controllable nuclear fusion cannot avoid plasma, and problems related to plasma, including instability, turbulence, and the basic equations that restrict various elusive behaviors of plasma, can only be approximated by simulation calculations.
In fact, it is like Newton's law that restricts the motion of three bodies, the NS equation that restricts fluid motion, and the Boltzmann equation that restricts the motion of a large number of molecules.
The solution of these partial differential equations is very difficult, and most of them can only find approximate solutions.
There is also the issue of materials.
The reason why nuclear fusion can be called an infinite energy source is because the deuterium in seawater is almost "infinite" to human beings.
But the problem is, using only 'deuterium' is too difficult.
At a temperature of the order of 100 million degrees, the reaction cross section of deuterium-deuterium is nearly two orders of magnitude lower than that of deuterium-tritium, and when the temperature rises to the order of one billion degrees, the bremsstrahlung will be greatly enhanced. Larger than the input can become very difficult.
If 'tritium' is used, the problem is also obvious.
Tritium is radioactive and almost does not exist in nature. Human production capacity is also extremely limited, and the lithium used for tritium proliferation is also limited in resources.
Of course, the biggest difficulty is also indispensable, "How to make the output greater than the input?"
From the perspective of input, the power of the radio frequency waves, neutral beams, and lasers used to heat the plasma is smaller or even far smaller than the electrical power consumed to generate them.
From the perspective of output, the efficiency of converting neutron energy into usable thermal energy is limited, and the efficiency of thermal power generation itself is not high.
etc.
Nuclear fusion research has many difficulties to overcome.
When the news came out, no matter whether it was domestic or foreign, almost no one was optimistic that the nuclear fusion project could really start.
Such research cannot even pass the argument.
But in fact, domestic nuclear fusion research still has a foundation, and many scholars support the development of project demonstrations.
Tang Jianjun researched and manufactured the tokamak device, perfecting the problem of ring magnetic confinement.
In addition, the Circulator M device manufactured by the Southwest Research Institute of Nuclear Industry, which is called an 'artificial sun', also successfully achieved 'discharge'.
Although all the problems of nuclear fusion technology have not been solved yet, China has mastered the design, construction and operation technology of large-scale tokamak devices.
These are the basics.
...
Public opinion at home and abroad is not optimistic about nuclear fusion research.
Most people think that 'the wind is just the wind', and it is just rumors. Even if you want to do research, it is not easy to pass the argument.
This kind of super-large research project cannot be decided by one person. It needs the support of many institutions and scholars to carry out. The first step is to conduct technical demonstrations. The purpose is to discuss possible problems in the research, whether there are solutions, and follow-up research. Division of labor and other issues.
If the technical argument cannot be passed, that is, some difficult problems do not have a reliable solution, the project cannot be launched at all.
Some people don't see it that way.
For example, the professors who are familiar with Wang Hao at Xihai University.
They also know that there are many problems in nuclear fusion research, and some problems cannot be solved at the technical level for the time being.
However, they are more willing to believe in Wang Hao.
The nuclear fusion research project is undoubtedly related to Wang Hao. Since Wang Hao participated in and led the project, any technical difficulties seem to be no problem.
Some people react very quickly.
For example, Zhang Zhiqiang.
After Wang Hao returned to Xihai City from the capital, he did not rush into work, but stayed at home with Su Yingxue to rest for a few days.
Then he returned to Xihai University.
When he entered the office of the Mason Number Laboratory, he had just sat down to look at the information when he saw Zhang Zhiqiang walking in with a large box.
Wang Hao stood up and glanced at it, and asked with a puzzled face, "Lego?"
"yes."
Zhang Zhiqiang put the Lego toys aside, and said with a smile, "Isn't this the younger brother and sister who are about to give birth? I will give you a gift in advance, congratulations!"
"..."
Wang Hao looked at Zhang Zhiqiang with a strange expression. It's nothing to give the child a small gift, but the problem is...the child hasn't been born yet!
Lego?
This kind of toy is not suitable for newborn babies.
In addition, Zhang Zhiqiang will take the initiative to give gifts?
Zhang Zhiqiang immediately revealed his real purpose, and he said with a smile, "Wang Hao, we are best friends, right? Nuclear fusion is such a big project, you have to think about me..."
"Not to mention other high-end technologies, it's okay to participate in a project to build a simulation system."
Wang Hao shook his head helplessly, "This project is not sure yet. Besides, you are going through the back door..." Before he finished speaking, Zhu Ping and Luo Dayong opened the door and entered.
Zhu Ping's face was full of enthusiasm.
She leaned over to Wang Hao's side, holding his arm and murmured back and forth, "Wang Hao, the nuclear fusion project can really start, you have to think about us..."
"I'll let it go."
"Dayong also intends to join the project, and he can join the math group or computing group."
Wang Hao turned his head to look at Luo Dayong. The words "You don't care" were almost written on his face, but Luo Dayong turned a blind eye and returned a look of "it doesn't matter who takes advantage".
This is very helpless.
Wang Hao felt that he was being taken advantage of, so he quickly pulled his arm out, coughed lightly, and said, "You don't have to do this either."
"Let me tell you directly."
"First of all, this project may not be able to pass. If the project is passed, an experimental base will be built in Xihai and its surrounding areas, and our laboratory will also be one of the participants."
"Although it may be an unimportant participant, we can definitely get a part of the work for projects such as computer simulation systems and automatic control systems."
"This is a very huge project, so don't worry about not participating in it."
"Of course."
"If you want to lead a team to take on a project, you still have to build a team and apply for it yourself. It depends on your own ability."
After Wang Hao finished speaking, several people breathed a sigh of relief. They really wanted to participate in it very much. For such a major project, it is also an honor to participate in it.
The atmosphere in the office suddenly became lively.
Zhang Zhiqiang patted his chest and said, "Da Luo, let me tell you. In this way, you and me, plus teacher Qi Xiao and others, when the time comes, we will apply for an independent project together."
"As far as my level and qualifications are concerned, there must be no problem in preparing."
Wang Hao said, "I want to remind you, Brother Zhang. If you want to apply for the project independently, your competitors include the top mathematical computer institutions and teams such as the Information Institute of the Academy of Sciences and the Computer Center of Shuimu University."
"Compared to these top teams, you have to think about your own advantages in advance and make adequate preparations..."
Luo Dayong nodded approvingly, "Yes, where are your advantages?"
"Advantages, advantages..."
Zhang Zhiqiang opened his mouth forcefully and remained silent for a long time.
Compared with ordinary mathematics and computer scholars, his qualifications and technical level are quite good, but compared with the top domestic scholars, his qualifications level has no advantage.
So where is the advantage?
Luo Dayong said, "Old Zhang, you don't need to think about it, I've already thought about it for you."
"What advantage?"
Zhang Zhiqiang looked over with a puzzled face.
Luo Dayong pointed to the top of his head, nodded earnestly and said, "The bald head is your advantage. The roller skating rink in the middle and the barbed wire fence on both sides are the top scholars."
"Your image, if you stand in front of the expert judges, you will first get 10 points for your image."
"..."
Zhang Zhiqiang touched the smooth top of his head, and shouted with a dark face, "Oh, it's decided, I'm going to get a hair transplant tomorrow!"
...
The tech sector is moving fast.
While discussions were still going on in the media, the science and technology department had already organized the first technical demonstration meeting.
Many scholars who received the news were surprised.
Generally, large-scale engineering research projects require repeated internal discussions. During the process, some top scholars must be called to see what their opinions are. Only when there are enough scholars and institutions to support, will a large-scale technical demonstration meeting be organized.
This technical demonstration meeting can also be classified as an internal discussion, and it is still confidential to the outside world. However, several institutions have received the news, and the number of participating scholars has exceeded a hundred. It has already broken away from the scale of small discussions.
Academy of Sciences Institute of Physics, Institute of High Energy Physics, Southwest Research Institute of Nuclear Industry, Institute of Nuclear Physics, Superconducting Materials Research Center...
etc.
Many large organizations have received the news.
They sent heavyweight expert teams to the main hall of the conference center where the demonstration was held.
After entering the conference center, the scholars were still incredulous, "I never thought that the demonstration meeting would be held so soon."
"It seems that I just saw the news a few days ago..."
"Is this project related to Academician Wang Hao? It should be directly related."
Everyone else nodded in approval.
The main core technology for controlling nuclear fusion is no longer a secret. Many people know that the strong annihilation force field generating device is suitable as a 'container' for nuclear fusion reactions.
In this regard, there are many reports abroad.
For example, the International Annihilation Theory Organization proposed that nuclear reaction research can be carried out in a strong annihilation force field device. One is that the antigravity field can reduce particle activity, that is, control the reaction speed, and the other is that the outer strong annihilation force field can absorb energy. , so that the reaction vessel can withstand higher temperature and energy.
While the scholars were discussing, Wang Hao, Tang Jianjun and others entered the venue together.
Wang Hao did not come alone. He temporarily formed a small team, including Tang Jianjun from the Institute of Nuclear Physics, Fang Yongsheng from the Institute of High Energy, Li Chun from the Institute of Nuclear Energy, Zhao Jiarong from the Center for Superconducting Materials, and Ding Zongquan from the WISCO Research Institute. people.
Their respective research can be used as the technology accumulation of controllable nuclear fusion.
For example, Ding Zongquan's team used first-order iron to produce a steel with a very high melting point and high toughness. It also has certain magnetic properties, which can be used as a material for the helical magnetic field on the outer layer of the container.
The leading party of the demonstration meeting is the science and technology department.
Mr. Xu came to the scene to set the tone for the demonstration meeting. He was the first to speak and said, "The content of our discussion in this meeting is the technical problem of controllable nuclear fusion engineering."
"This is a pre-discussion meeting, and everyone should not be pressured."
"If you have any questions or want to know, you can ask and talk. We have to discuss and study together, so that we can know what problems will be encountered in the research and how to solve them..."
After Mr. Xu set the tone of the meeting, it was the turn of Wang Hao's small team to play, and Tang Jianjun made a speech as a representative.
His job is to elucidate the existing technological base.
Tang Jianjun is very enthusiastic about the research of nuclear fusion. He very much hopes that the demonstration meeting can be passed. He also specially made a detailed ppt, listing the main problems one by one.
The first problem is the ignition technology.
The ignition of a nuclear fusion reaction requires very high-end technology. There is a saying in public opinion that 'a hydrogen bomb needs an atomic bomb to detonate'.
This statement is not an exaggeration.
The temperature at the center of the atomic bomb explosion can reach as high as 100 million degrees Celsius in an instant, just reaching the temperature condition for detonating a hydrogen bomb.
However, on the PPT made by Tang Jianjun, the ignition of nuclear fusion has only one title.
When he made the introduction, he also skipped directly to the next question, "Let's look at the second question, the creation of a high magnetic field environment and the control of the reaction..."
An old academician below reminded, "Academician Tang, you haven't said the first question yet."
"Although we already have the ignition technology, the new reaction vessel is a strong annihilation force field device, and the inside is an anti-gravity field. How to achieve nuclear fusion ignition in the anti-gravity field?"
Everyone looked at Tang Jianjun on the stage.
Tang Jianjun smiled confidently and said, "Academician Zhou, this question can be skipped, because we already have perfect nuclear fusion ignition technology."
"Perfect nuclear fusion ignition technology?"
"right."
Tang Jianjun nodded seriously, "This kind of ignition technology does not need to restart the equipment, nor does it require internal intervention, and it can be ignited externally at any time."
After he finished speaking, he looked at Mr. Xu.
Teacher Xu nodded in approval, "That's right, we already have perfect ignition technology, so there is no need to discuss this issue."
"Hula..."
There was an uproar in the venue.
None of the participating scholars expected that the big news broke out just after Tang Jianjun took the stage. They actually possessed a brand-new, so-called 'perfect' ignition technology.
The technology doesn't even need to be discussed?
Teacher Xu nodded in approval?
Explain what?
This shows that the technology has been perfected to solve any problems encountered in the ignition process!
"When did we have such high-end technology?" Many scholars couldn't help discussing, they were so surprised.
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