Go back to the past and be a schoolboy

Chapter 112 Try something other than mathematics
An old house where a treasure.

From the current point of view, Nikola Tesla is definitely the oldest member of the Chinese Academy of Sciences. He has rich experience in the first half of his life and accumulated profound knowledge. During that time, his hands-on ability skyrocketed due to lack of funds.

After dismantling the AC motor of Watson Electric Manufacturing Factory, the boss can directly operate it. He said that he can use the existing machine tool to rub the parts by hand to reassemble a brand new machine. The structure is roughly the same, but the performance is different. It can be improved a lot.

Looking at this emaciated boss, facing the things he loves, he really puts his heart and soul into it. He speaks very fast when talking about professional content. Fortunately, Cheng Nuo is in charge of the translation. He may not be able to keep up, not to mention that there are so many professional terms, many of which are heard for the first time by him, and he was confused when he first heard them. He had to interrupt a few times in the middle of the conversation before the conversation could proceed smoothly.

Pulling up his sleeves, Tesla picked up the chalk, wrote and drew on the blackboard prepared in the workshop, pointed to the sketch and said: "The basic equations of the AC motor generally assume that the stator of the three-phase AC motor is symmetrical, that is, The inner cavity of the stator is circular and symmetrical on the magnetic circuit”

Yang Jichuan and several engineers in the audience nodded while listening, frowning from time to time. Obviously, some knowledge points are still difficult for them to understand, but the progress of the lecture cannot be interrupted. Write it down and ask after class. By the way You can also engage in personal relationships. If you are lucky enough to be able to open a small stove, it will be even more perfect.

During the break, Yang Jichuan hurriedly pulled Cheng Nuo: "Professor Cheng, what are you up to?"

Cheng Nuo didn't understand, so he winked at the crowd next to him: "Go to the toilet to drain the water. To prevent heatstroke, I drank mung bean soup before I came here. Why, do you have something to do with me? You shouldn't be working together like those engineers. Go to Tesla and continue to ask questions, I think you remembered a lot in the class just now, you have to seize the opportunity, you can’t ask me about the motor.”

"There is indeed something wrong, I just drank a lot of water, let's go together." Yang Jichuan glanced over there, and smiled: "The problem is the same, they have a young man who can speak English, let him come back Just teach me. Although you don’t understand motors, you are good at other things, so that’s what I’m asking.”

"Then, let's go together." This feeling of a few people meeting to go to the bathroom, suddenly has the feeling of going to school in the previous life. At that time, I had to pull my classmates together. It seemed that I couldn't complete this "difficult project" alone. , Looking back at the bearded man, Cheng Nuo quickly shook his head to get rid of the thought: "But let's talk about the ugly words first, if you want to keep Tesla here, it will definitely not work, it's better Be mentally prepared."

"We understand this, and we will hurry up in terms of time." Yang Jichuan walked beside and said with a smile: "Actually, what we want to ask is how to entertain this distinguished guest, and whether there are any special taboos in terms of diet. It’s a small stove, treat you well before leaving.”

Cheng Nuo tilted his head, looked at him seriously, and said with a smile, "Good old Yang, last time we came, we ate a big pot of rice. I didn't see you cooking a small stove for us. No wonder you lost weight this time. , Is it because I have eaten less from the small stove recently, and I am not used to eating from the big pot."

Yang Jichuan patted his chest loudly: "Professor Cheng, you have wronged me. The chef of the small stove and the big pot of rice are the same person. Usually, I eat what the workers and masters eat. There is no special, let alone Last time, there were only a few people in our factory, and there was only one pot, which is the small stove now."

"Okay, I understand the truth. I was just joking with you just now." The one-size-fits-all fairness may not be completely good. After joking, Cheng Nuo said solemnly: "This foreign friend will follow whatever we eat." What to eat, that is, pay attention to the richness of the taste combination, if you don’t like a single dish, we have something else.”

Yang Jichuan hesitated for a moment. He originally wanted to say whether this would be too casual. It seemed that we didn't pay enough attention to the guests. However, the person was invited by the other party, and he was also his employee. He was also the big boss of the factory, so I couldn't say anything more. , nodded: "Success, I feel relieved with this sentence, and I will buy some vegetables from outside later."

This time, Cheng Nuo didn't object. He should be enthusiastic about entertaining guests. He just didn't want to let the Chinese people bow their heads naturally when facing foreigners, and wronged himself to accommodate others. The soup, hot or cold, reflects our characteristics, and our food is much better than their Western food, which opened Mr. Tesla's eyes."

After Yang Jichuan calculated the target hotel in his heart, the smile resumed on his face: "Okay, do you want me to prepare some wine, foreign wine is also fine, if you play tricks on this foreigner, lest he is like a little Japanese, always hiding everything he sells to us , it’s nothing.”

Thinking about Tesla's age, Cheng Nuo quickly shook his head: "Forget it, drinking is too bad for your health, just eat some home-cooked food. Technically, you can rest assured that we are on this road now, and we can't go back. Yes, I will definitely not keep it, besides, you still have to do scientific research, if you can’t drink it, don’t drink it.”

Looking back at Yang Jichuan, Cheng Nuo suddenly smiled and said, "Making a product is like being a human being. People will notice it when their strength improves. Just bending our knees will only make people think that we are more bully. I will definitely give it, but the high probability of getting it will be eliminated by others. At that time, we will have no competitiveness when we bring this kind of thing to the market.”

Yang Jichuan was silent for a while, and said with relief: "Eating bagasse that has been chewed by others will definitely lose the sweetness. I am fooled."

The two people behind stopped talking, and soon came to the toilet. After finishing, Yang Jichuan was busy with entertaining, so he left first.

When they came to the sink in the row, Cheng Nuo was washing his face slowly. In just a short while, his upper body was almost soaked with sweat, and the shape of salt stains could even be seen. I really missed the days when there was an air conditioner.

For nothing else, even if there is no air conditioner, just to escape the heat, the fan must be replaced as soon as possible.

Just as Cheng Nuo's thoughts were crossing his mind, and he scooped up a handful of water and was about to dab it on his face, he suddenly realized that the sunlight was not that strong, and with the help of the reflection from the pool, a figure enveloped him.

After a short pause, the water had to be brushed in his hands, Cheng Nuo continued to wash his face, and wiped his neck by the way, feeling much more refreshed immediately.

"Let me say, Dean Cheng, what were you and Director Yang talking about just now? You laughed so hard that your backs were chilled. When I passed by, I heard you mention Mr. Tesla. Did you secretly discuss how to eat him alive?"

"Go to yours." Cheng Nuo scooped up a handful of water and poured it to the side. For a person who is familiar enough, just by listening to the footsteps and looking at the back, he can basically guess the difference. It's obvious. The person in question was Jiang Jiangzuo, his classmate from the Department of Mathematics at Harvard, who was not so taboo verbally: "Can it be a sale? We don't do a one-knife deal."

Jiang Jiangzuo leaned against the fence of the pool after dodging the handful of water: "I remember you said that at the beginning, it's called sustainable fishing, right?"

Cheng Nuo shook the water off his hands, and said with a smile, "You, don't talk about this, I remember that you were just promoted to a Ph. Are you staying in America?"

Jiang Jiangzuo originally wanted to refute, but suddenly realized that he really couldn't compare with this person in terms of IQ, so he said helplessly: "Why, the topic of the thesis has just been submitted, and the supervisor is still reviewing it. It took half a year to find out that this was not in the light of Mr. Tesla, so I came here ahead of time to see our legendary Academy of Sciences."

Wiping his chin and removing all the water from his face, Cheng Nuo asked, "Then what are your plans for the future? It's not easy to get a doctorate in mathematics. It may take two years to graduate."

Jiang Jiangzuo turned on the faucet. He was going to wash his face. He turned it on again when he heard this, and said in doubt: "Come back, no matter how good the life is over there, it's not what I want. There is a desert of delicious food over there. I’ve already vomited after eating potatoes, so it’s still our rice with pork belly.”

Cheng Nuo opened the faucet for him, and said seriously, "I don't think everyone needs to come back."

Jiang Jiangzuo asked while washing his face: "What's the matter, undergraduate students dislike me as a doctoral student, you are useless, you, you forget the old one when you have a new one, you should really give you a dog's head, Mr. Bao on the spot Trial."

Cheng Nuo explained: "What I said, I thought, we also have someone overseas to take care of each other. Whether it is applying for patents like before, buying new equipment, or hiring talents, it is all related to the Academy of Sciences. It is impossible to entrust this kind of work to outsiders for the major development, it just so happens that others have no experience, but Lifu you have."

When Jiang Jiangzuo heard this, he immediately turned on the faucet, water drops fell from his bangs, and he waved his hands again and again: "I can't do this job. Last time I successfully applied for a patent and successfully negotiated business, nine out of ten credits are due to this." It's Mr. Tesla's fault, I can run errands at most, do some paperwork, and I have enough time overseas."

Cheng Nuo was already prepared for this attitude, and persuaded him: "But the problem is that no one else has done this one-tenth of the time, and we are already ahead of us in this area. You are the richest in experience. You know the work-study program, right?"

"I know this, why, you wouldn't have made up my mind at that time, and I don't know anything about France." Jiang Jiangzuo still resisted.

"Hey, let me make it clear that it wasn't at that time, but I already had this plan when I came back from the United States." Cheng Nuo smiled and explained: "The so-called work-study program means that after learning the skills in China, I will study in France. Continue to work to earn tuition and miscellaneous fees, just work for others. Right now their people are busy fighting and lack of people. Naturally, they welcome us, but there will always be a day when the war will end. At that time, a large number of soldiers will leave the army and jobs will become scarce. At that time, it will be difficult for our students to compete with the locals, and if they lose their jobs, where can they go to study abroad?"

"But even if I go, I don't know the place well, what can I do alone, I'm weak, it's hard to make big things directly." They are all people who have studied abroad, and they know how hard it is for everyone. What's more, I went abroad at public expense, so I didn't have to think about the cost at all. Thinking about it in my own shoes, I felt that it would be difficult for the students studying in France in the future. Thinking of this, Jiang Jiangzuo's attitude was much softer.

Cheng Nuo saw that there was something going on, and he smiled and said, "It's easy to talk about, you don't need to do it yourself, on the one hand, there are dozens of people from the Academy of Sciences to make technical reserves for you, and what they come up with is definitely good stuff. On the other hand, you just need to help bring Come out with a few men, and the rest of the arrangement is up to you."

Based on Cheng Nuo's understanding of him, with Jiang Jiangzuo's strength, he can get a doctor's degree in one or two years. There is not a shortage of mathematics talents, but there is a big gap for other backbones stationed abroad, and he cannot stay forever. In foreign countries, the focus of work is at home, but students studying in France are also an important human resource supplement for the Academy of Sciences in the future, and they are also very important, so this work cannot be entrusted to outsiders.

After much deliberation, he refocused his attention on this student from the mathematics department. He could definitely try to cultivate a few of his own people there, develop some backbones, and use them for this kind of thing in the future.

What's more, with the development of the school industry in the future, the market can't be limited to the domestic market. It can be shipped to Europe for sale after the production is completed. Let alone the electric fans produced by Watson Electric Manufacturing Factory, we can focus on the electric fans produced by Watson Electric Manufacturing Factory. We will wait for the radio to be produced later. , can also be shipped to Europe for sale.

After all, the cost is reduced, and the price of industrial products is not affordable for most people in this era. Otherwise, the ore radio mentioned above will not have a market until the reform and opening up, because everyone’s pockets are tight. , Eating is a problem, so how can we enjoy the spirit.

Just imagine that the scale of Watson Electric Manufacturing Factory will increase, and a new factory will be opened in Beijing in the future. It will be the work-study class in Changxindian, where students can learn this technology. It’s time to go to France to study. At that time, we will directly open factories in Europe, which can achieve seamless connection. The factories don’t have to worry about workers, and students can also solve the problem of work-study jobs, killing two birds with one stone.

After learning of Cheng Nuo's plan, Jiang Jiangzuo was both admiring and helpless: "Tell me, I have worked so hard. Although I haven't gone through the entry procedures, I have done so much work for you. There is still a lot of trouble in the future. The matter is waiting for me, do you want to give me a salary?"

Cheng Nuo laughed loudly: "Of course it's no problem. I will give you an allowance according to the treatment of a full professor, and even find a wife for you."

Jiang Jiangzuo's face was full of disdain: "Cut, you are a bachelor, I asked you to draw the red line for me. When I have to be tall, I'll figure it out by myself, but then again, the money should be used wisely, and the allowances will be ignored. , as long as you don’t let me advance money, because I am satisfied.”

Cheng Nuo smiled and said: "Friendship is friendship, and allowance is allowance. If you only talk about dedication but not return, you are playing hooligans. Don't worry, you will definitely not be given less, and you deserve it."

After speaking, the two washed their faces by the sink, returned to the workshop, and started busy in the afternoon.

With the help of Tesla, a master of theory and technology, the new domestic AC motor was quickly assembled. While the size is smaller, the power has doubled, and the noise is smaller, and the power consumption is lower. At least two versions higher than the previous motor.

He took out the new fan casing that Cheng Nuo had designed before, made some adjustments, and installed all the parts in place one by one. It didn't take long for this brand new domestic electric fan to come out successfully.

Under the eager attention of everyone, Cheng Nuo switched on the power and turned on the switch himself.

"Whoo~"

The blades of the three copper fans turned quickly, and a cool wind blew to everyone. The sound of the fan was the only thing heard in the quiet workshop.

Feeling the coolness, everyone held their breaths, it seemed that what was blowing on their faces was not the wind, but something else, it was simply intoxicating.

Some anxious workers immediately surrounded them, pulled off their work caps, and cheered on the spot.

On this occasion, everyone is talking about it.

"This is not the wind blown by an electric fan. It is more comfortable than when my wife touched my face for the first time when I first entered the bridal chamber."

"Look at the wind. It's much stronger than their American counterparts. After we mass-produce them, I will definitely buy three."

"What? Do you have a place to put it in your house after buying so much?"

"That said, keep one for yourself, one for your daughter-in-law's family, and one for your mother's family, isn't that okay?"

"If you ask me, it's better to buy something else. If you buy an electric fan, these old people may not be willing to turn it on to save electricity. It will only collect dust."

"Not to mention, it is indeed the gringo introduced by Professor Cheng. He is good at this job. The small wind is blowing, which makes people feel comfortable and itchy. It is much better than the one we assembled last time."

Looking at the electric fan, Yang Jichuan couldn't hide his excitement, and kept asking Cheng Nuo: "Professor Cheng, we have succeeded, tell me, tell me quickly."

Cheng Nuo supported his shoulders, and said with a smile, "The wind is so strong, and I am more professional than me in technology. From a consumer's point of view, it must be a success. This kind of wind is definitely far superior to that of the American 'Singularity' brand." Fan, we made stuff."

It's not that Yang Jichuan can't see it, nor can he feel it, but it's just that he spent several years of hard work and went through ups and downs in the middle, just for such a day. Replied, the circles of his eyes turned red.

"Okay, finally I can come up with such a thing, and I finally have an explanation, which is worthy of everyone's support."

Immediately, his legs went limp, and he was about to collapse on the ground.

Cheng Nuo had sharp eyesight and quick hands, and hurriedly supported him: "Old Yang, what's the matter with this, we just took out the product, and we are still waiting for mass production, and after that there are promotion, sales, after-sales and other work, all waiting for you Come check it out."

Hearing these words, Yang Jichuan smiled wryly and said, "Professor Cheng, you can force me to work hard by myself. I was feeling empty just now, but I didn't expect to feel panicked when I heard these words."

Cheng Nuo helped him to the chair, and said with a smile, "Heavy medicine is needed to cure a serious illness. Have you found your head now? Don't worry, I won't let you sit idle. There are a lot of technical difficulties waiting for you." capture."

This is not Cheng Nuo joking, robbing the market occupied by foreign goods, in addition to allowing more ordinary people to enjoy the convenience brought by industry to life, it also has the purpose of training industrial workers. Every worker in the workshop is a master in his heart They are all good seeds, and if they are used well, they will be able to take root and germinate everywhere in the future, thus giving birth to more workers.

At the same time, what Cheng Nuo valued most was the AC motor. Professionally speaking, any input current or output current can be called an AC motor. There are synchronous motors, asynchronous motors, and AC commutator motors. be single-phase or multi-phase etc.Single-phase AC motors are mostly used in household appliances, agricultural machinery and electric locomotives, two-phase AC motors are mostly used in the field of automatic control, three-phase AC motors are the main power equipment for industrial production, and multi-phase AC motors are generally symmetrical three-phase or two-phase.

It is no exaggeration to say that special AC motors can also be developed and directly used in automobiles or aircraft generators.Due to the good versatility of alternating current, it is easy to perform various voltage changes and frequency changes, and at the same time, various levels of voltage can be obtained to meet complex needs.

Of course, in addition to these AC motors, they can also ensure the power supply of high-power electrical appliances, which can be used in aviation generators. During World War II, the United States sent two three-phase AC generators to Dashan, Guizhou through the Burma Line to help local military facilities and ordinary people. Power generation made a significant contribution to the Anti-Japanese War, and even today, more than 70 years later, the two AC motors are still working hard.

In addition to these, Cheng Nuo is more concerned that the mass of the tractor alternator is 40.00% to 60.00% less than that of a DC motor with the same capacity, so the consumption of copper and electrical steel is also reduced a lot.

This means that Cheng Nuo has accumulated enough industrial strength in the future, and when he wants to build tractors, the technology is more mature, the cost is lower, and he can quickly put it into the agricultural market.

At that time when the War of Resistance Against Japan broke out, tanks were built directly on the basis of the tractor assembly line, just like the Stalingrad Tractor Factory, which produced the T-34 medium tank and the KV heavy tank. Of course, we also have a similar Luoyang one in China. wait.

One after another, Cheng Nuo believes that as long as there is enough time, he will definitely see the day when the tank is born from his own hands. Don't ask, the question is that the school is too big, the security guards are too slow to patrol on foot, and the patrol car built by the school will eventually explain All rights belong to the Chinese Academy of Sciences.

Of course, food needs to be eaten one bite at a time, and the road needs to be walked step by step. The AC motor is just a part of that huge industrial product, and there are still many things to do in the future.

Looking back at the workshop, Yang Jichuan was greeting the master workers, and kept the writing on the blackboard on Tesla's blackboard, saying that he would take it away and frame it, and keep it for training new employees, and no one was allowed to touch it.

I couldn't help feeling in my heart, with such a group of guys behind me, building a tank didn't seem like a dream.

(End of this chapter)