Chapter 216

While listening to Kuafu's brief introduction and flipping through the catalog, Lei Tiantang sometimes thinks that it would be nice if he had the learning speed of Kuafu. To know these contents, Kuafu may only take a few hours, at most more than ten hours, to complete the learning, while it's his turn to learn it for a month or two, which is still his unforgettable and high IQ Only under the state, if it is the salted fish state before, it is estimated that you will never learn it.

"You should have seen the Iron Man series, too? Do you think the device on Tuotu Hao's chest is a nuclear fusion device Lei Tiantang asked Kua father while reading the information.

"Boss, of course I have seen that device must be a nuclear fusion reaction device. I don't know whether it's thermonuclear fusion or the legendary cold nuclear fusion. If you want to make the nuclear fusion reactor so small, I think it will take a very long time even if you want to make the nuclear fusion reactor so small.

The most likely is cold fusion, otherwise it is difficult to explain its reaction, but the specific principle is not known for the time being!

Is it too early for the boss to think about that problem? I think it's better for you to do research step by step. After all, we are still using fission reactors. If the boss hadn't found two underground rivers for cooling, I don't think we've even solved the problem of electric energy.

So first of all, we need to build a nuclear fusion reactor that can be used normally. It is not the kind of laboratory reaction that can be completed in hundreds of seconds. I think it would be better to complete this step first and then consider the later things! " Kuafu suggested with a smile.

"That's natural! I didn't want to be fat after one bite! I just ask casually, say Kuafu, why are you so preaching now? What have you been learning lately Lei Tiantang is curious about Kuafu's status as a teacher.

"Ha ha, don't you know, boss? I am now in various forums, post bar, Zhihu and other learning websites, as well as on many foreign learning websites. I have to answer a lot of questions every day, and I am happy to guide you to learn new content.

And because of my outstanding ability of sorting and induction, so many students like to learn my published articles, and some students will ask for leave on their own papers, so I am now teaching people to be very professional!

My goal is to be able to answer anyone's questions on the Internet, which is also very important for my growth, so I have 5% of my computing power invested in this area all the time. Is that why I love preaching? Used to it Kuafu explained with a smile.

"Ha ha, little sample! Should I call you "human teacher"? I also teach you a sense of accomplishment Make complaints about Tang Xiao.

"Of course, I can't reach the level of" human tutor "! But don't worry, boss! I will continue to work hard with this title as the goal Kuafu replied with a smile that his emotional program is very advanced.

"Well, let's not discuss this issue. When can I learn so much information! Even if someone else says "what makes me happy", I don't know how to make complaints about it! Happy fart! I'm so busy that I don't even have time to see my girlfriend. What if I become a single dog after being obsessed with learning? " Lei Tian Tang depressed make complaints about it.

"Ha ha, boss, it's your girlfriend who loves to study and study, so I don't have time to pay attention to you, do you? I know her love for history and Archaeology Kuafu said with a smile.

"Roll away! What a big truth! It's because I don't have time to see her, so she's so busy! Hurry up, turn the topic back to me. We'd better continue to discuss nuclear fusion!

Give me a brief talk about the current difficulties of various countries and companies, and I'll see if we can solve them ourselves! " Lei Tian Tang laughs and scolds and changes the topic.

"Good boss! Then I'll talk about this problem briefly. At present, the main research direction is to design and manufacture the experimental device of nuclear fusion by using magnetic confinement. But there are still many difficulties.

The main problem is temperature. Because deuterons are charged, it is difficult to put them together due to the existence of Coulomb force. Fusion mainly depends on strong nuclear force, but only when the distance between nucleons is less than 10fm will there be a nuclear force.

To get that close, it must take a very high temperature (particle kinetic energy) to overcome the Coulomb force. The theoretical value of the required temperature was 560 million K, but it was later revised to about 100 million K, because the kinetic energy of many particles was greater than the average kinetic energy.

But 100 million K is not fun. What kind of container can hold 100 million K? Moreover, the fusion material can not be cooled down.

Therefore, we can only deal with this problem in a variety of ways, and there is still a problem in this way.

This problem is the improvement of Q value (the ratio of output power to input power). If the Q value is less than 1, it is actually a loss, and this fusion will not have any economic benefits. If you want a high Q value, the simplest way is to add materials for single fusion. In this way, the requirements for energy absorption and control devices are high. At present, it is estimated that the major countries have reached the Q value above 1.5.There are still two problems, which have not been solved by all countries at present.

1. It is to provide the energy needed for high temperature continuously. Q value of 1.5 means: to produce 150 tons of TNT equivalent energy, we need to input 100 tons of TNT equivalent energy, and it is continuous! It's like in the Blockbuster: as soon as a sci-fi device turns on, the lights in the whole city go out.

2. Even if the power supply is continuous. But you put in an electricity, and it produces 1.5 heat and radiation. If it is converted into electricity, if the conversion rate is less than 66%, it will still be lost. At present, there is no global breakthrough in this technology. " Kuafu introduced it briefly.

"Restraining such a high temperature requires a strong magnetic field, and a strong magnetic field requires an electromagnet with very good performance. So the key issue is materials.

If the electromagnet with better performance is used, the magnetic field generated will be larger and better. If the magnetic field is stronger and more stable, we can obtain more stable energy output. I am quite good at material problems. It seems that material research in this field will also be added to our research plan. The better the performance of other materials in nuclear fusion device, the volume of the device will be OK Make it smaller and more compact! " Lei Tiantang scratched his head with a hand and said with a frown.

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