The game is over, but the impact has not subsided, but has been brewing, Li Tianfeng has become the star of the entire E factory, every time everyone talks about Li Tianfeng, everyone's first reaction is to give a thumbs up.

Li Tianfeng has been relatively low-key these days, but he still received a lot of phone calls, basically congratulating himself, every time he received such a call, Li Tianfeng had to be happy for a while.

The national aviation system skills and technology competition ended successfully in Plant E, the dust settled, and the rankings of each group came out and were announced in detail on the website of Plant E.

However, the award will have to wait for a while, according to the regulations, the contestants who got the ranking will go to the capital, in the capital for a unified award, as the first place in the craft group, Li Tianfeng will also go to the capital, if nothing else, Li Tianfeng will also be awarded the title of national craft master.

This is the highest honor!

Many engineers and technicians work hard all their lives, and they can't achieve the honor of their whole lives.

……

"Tianfeng, yes, our E factory has a big face in front of our peers, yes, it is worthy of the technicians of our precision machining center."

Peng Xuehai was very happy, and when he heard that Li Tianfeng had achieved such good results in this skill and technical competition, he immediately called Li Tianfeng to his office and praised Li Tianfeng in person.

After receiving the praise, Li Tianfeng was also in a good mood, and said modestly with a smile: "Director Peng, luck, luck." ”

chatted with Peng Xuehai, the atmosphere was good, Peng Xuehai didn't have a first-hand shelf, more often than an old friend chatting.

Peng Xuehai, who was chatting for a day, suddenly got up, because he saw Sun Xiaoping looking inside his office outside the door, and Li Tianfeng happened to have his back to him, but he didn't see Sun Xiaoping.

Sun Xiaoping is the deputy chief engineer of the Sixth Design Institute, and his rank is much higher than Peng Xuehai, although he is not his boss, Peng Xuehai still got up in person.

"Mr. Sun, are you looking for me?"

Sun Xiaoping was full of smiles, seemed to be in a good mood, and said with a smile: "Director Peng, I'll find Expert Li." ”

It is no secret that Li Tianfeng is a technical expert of Factory E, and Sun Xiaoping naturally knows it, so it is polite to call Li Tianfeng Expert Li, because Sun Xiaoping came to ask for advice this time.

Last time, at Chen Dong's banquet, Li Tianfeng and Sun Xiaoping had a little exchange, which made Sun Xiaoping full of joy and his eyes lit up, and now he came to the door in person.

Sun Xiaoping led his own design team to carry out the modification of the turbofan B engine, which was painted in the 80s according to the surveying and mapping of Lao Maozi and the gourd, and after several years of hard work, the prototype was also produced in the 90s, and then it was mass-produced.

At that time, turbofan B was a relatively advanced aero engine, and in the 21st century, turbofan B gradually appeared to be backward, and it was imperative to improve and modify the engine performance.

At that time, it was the engine of the surveying and mapping people, and it was okay to draw a scoop according to the gourd, but now it is necessary to improve the performance on this basis, which is more difficult, and Sun Xiaoping's team is responsible for the performance improvement and improvement of the turbofan B fan and compressor part, and has encountered a very difficult problem.

When Li Tianfeng saw it, he also stood up and smiled at Sun Xiaoping, "Mr. Sun, came here in person?" ”

Sun Xiaoping said politely: "Expert Li, are you free?" ”

Li Tianfeng guessed what Sun Xiaoping was looking for him this time, so he said with a smile: "Mr. Sun came over in person, and if you don't have time, you have to take time, go, go to the small conference room next door, and we will have a good exchange on the design of the turbofan engine fan." ”

"Okay, okay." Seeing Li Tianfeng agree, Sun Xiaoping was very happy.

When the two walked out of their office, Peng Xuehai did not completely come back to his senses, his heart was full of shock, but he didn't expect that Sun Xiaoping, as the deputy chief engineer of the Sixth Institute, actually came over to find Li Tianfeng in person to design the AC turbofan engine.

The Sixth Design Institute and Factory E are level-level units, what is the level of the deputy chief engineer of the Sixth Institute, Peng Xuehai knows it clearly, and such a person also came to Li Tianfeng in person.

It's unbelievable!

After a long time, Peng Xuehai, who came back to his senses, muttered.

Small meeting room.

Sun Xiaoping personally spread out the design drawings of the turbofan B fan part, and this huge zero drawing almost covered half of the conference table in the small conference room.

"Expert Li, this is the drawing, we want to improve the fan performance of the turbofan B engine by about 20%, but we have encountered a lot of problems...... "Sun Xiaoping's current improvement work is described in detail.

Li Tianfeng listened to Sun Xiaoping talk about his improvement work, and looked at the drawings carefully, the drawings were relatively large and the size was more, Li Tianfeng looked at it for a while before he understood, and gradually had a plan in his heart.

In the final analysis, the turbofan B engine is still relatively backward, the product of Lao Maozi in the seventies and eighties, that is the design theory and the current international mainstream design is much different, in Li Tianfeng's heart, this gap is even greater, Li Tianfeng has a lot of design theories in his mind that are ahead of this era.

After reading the drawings, Li Tianfeng asked: "Mr. Sun, do you know what are the more advanced fan design theories in the world?" ”

Sun Xiaoping thought for a moment and said: "At present, in order to improve the efficiency of the fan in the world, it is generally necessary to increase the speed, or adopt advanced blade design, and the latter is the mainstream, and the advanced blade design mainly includes wide-chord fan blade design, hollow blade design, backsweep, forward-swept, forward-swept + large and small blade design......"

Speaking of these advanced technologies, Sun Xiaoping knows a lot and talks a lot, but Sun Xiaoping is only limited to understanding, and it is still a little hot to really design it himself.

After listening to Sun Xiaoping, Li Tianfeng nodded, "Mr. Sun, combined with the situation of the turbofan B engine, I think to improve the performance can start by increasing the speed and changing the blade design." ”

Hearing this, Sun Xiaoping was embarrassed, and he was in a dilemma in leaf design.

Li Tianfeng continued: "Mr. Sun, we can change the fan blades of the turbofan B engine to wide chord blades, and combined with the increase in speed, the efficiency of the fan will be increased by at least 30%. ”

More than 30% increase, how tempting is that!

However, Sun Xiaoping believes that he does not have this strength, in the world, the wide chord design of fan blades is a cutting-edge topic, is an advanced technology, and basically no one in China has mastered this technology.

The embarrassment on Sun Xiaoping's face became even stronger, because he didn't have such skills.

Li Tianfeng thought in his heart, it seems that Sun Xiaoping does not have this technology, fortunately he did not say that it is a wide-string hollow fan blade, the hollow blade has better performance, but the technical requirements are higher, however, an ordinary wide-string fan blade has stumped Sun Xiaoping, and it is even more difficult to talk about more advanced wide-string hollow fan blades.

"Expert Li, we lack design theory in this area, and it may be very difficult." However, Sun Xiaoping's head also turned relatively fast, and he reacted immediately, and the gloom on his face was swept away, and his face was full of surprise.

"Expert Li, can you design a wide-string fan blade?"

Hearing this, Li Tianfeng smiled slightly, and said very confidently: "Of course, there should be no problem." ”

"Really !!"

Sun Xiaoping's whole person became excited, where was there still a little bit of the deputy chief engineer's strictness and steadiness, and he was so excited that he grabbed Li Tianfeng's hand tightly and said: "Expert Li, you have to help me this time!" ”

"No problem, let's get started now." Li Tianfeng said.

"Okay, let's start now, start now." Sun Xiaoping was very happy and excited, and immediately looked like he was taught.

Seeing this, Li Tianfeng took out a pen and paper, sorted out his thoughts a little, and began to patiently explain the design of the wide-string fan blades from simple to profound, step by step.

Sun Xiaoping was quickly attracted and deeply attracted by advanced design theories......

Time passed minute by minute, Li Tianfeng said a lot, and gradually, Sun Xiaoping seemed to grasp something, and then, suddenly, he felt a light in front of him.

Under the guidance of Li Tianfeng, Sun Xiaoping really designed the fan wide chord blades, which greatly improved the performance of the turbofan B engine, because of this scientific and technological achievement, Sun Xiaoping won the second prize of this year's National Science and Technology Progress Award, and he was full of gratitude to Li Tianfeng from the bottom of his heart.

Listening to your words is better than reading a book for ten years!

After listening to Li Tianfeng's patient and easy-to-understand explanation, Sun Xiaoping finally had a preliminary understanding of the design of the wide-chord blade, and said with joy and gratitude: "Expert Li, thank you, thank you so much, now I have confidence." ”

Li Tianfeng knew that with his explanation, Sun Xiaoping's design level, especially in the design of fan blades, would have to advance a big step.

"Mr. Sun, communicate more in the future."

"Definitely, if there is something I don't understand in the future, I will definitely come to the door again to ask for advice." Sun Xiaoping said modestly, and then put away a few pieces of scratch paper on the table like treasures, folded them carefully, and carefully put them into his pocket.

These scratch papers, which Li Tianfeng used to explain just now, are densely packed with a lot of things, including the advanced design theory of wide-chord blades, as well as some advanced calculation formulas, etc., and even some sketches drawn by Li Tianfeng to explain.

These things are very important to Sun Xiaoping, just like the profound and powerful martial arts cheats in the eyes of a martial arts enthusiast, and combined with these things, Sun Xiaoping will carefully experience and figure it out, and he may go further in the design level of wide-string blades.

Outside the window of the small conference room.

Director of the Precision Machining Center, Peng Xuehai, the number one leader, is passing here, obviously, Peng Xuehai is also a little curious in his heart, why Sun Xiaoping, as the deputy chief designer of the Sixth Design Institute, would find Li Tianfeng, and still look like he is humbly asking for advice.

Passing by the small conference room and looking towards the small conference room, I saw Li Tianfeng holding a pen and paper, seemingly explaining something while writing something on the paper, and what was shocking was that Sun Xiaoping was listening carefully and concentrating.

Looking at the appearance of the two, it was more like a tutor calling a student, seeing this scene, Peng Xuehao was shocked, and thought in his heart, could it be that Li Tianfeng is still good at design.

……

Thanks to the tips of "Novel Hobby", "I Love Engine", "Pan An and Dong Shi", "Waiting for Nature", and "Bunny Baby"!

…… (A good event for pie in the sky, cool mobile phones are waiting for you!) Follow the ~ point / Chinese network public account (WeChat add friends - add public account - enter qdread can be), participate now! Everyone has a prize, now pay attention to the qdread WeChat public account! ）