Chapter 218 return journey

Because of Lei Ming's presence, Zhang Yunfeng and Lei Xinlei deliberately delayed the time of security check. When they were about to board the plane, Zhang Yunfeng proposed to pass the security check. He said to Lei Ming, "Lei Ming, if you can't get in the security check, don't send them again. Drive back quickly."

Lei Ming nodded softly, took a look at Zhang Yunran secretly, and then said to Zhang Yunfeng, "call me before you come back, and I will come to pick you up."

Zhang Yunfeng said with a smile, "well, I'll have to bother you then."

Lei Xinlei said with a smile: "brother, you can go back quickly. Stop this ink. When we get in later, you can't even see people. Just go outside and wait for our plane to take off."

Lei Ming doesn't know that Lei Xinlei is joking about himself. He says with a smile, "it's getting dark. Another thing is that if there's a strong flight, I don't know which one you're on."

Lei Xinlei expresses helpless to Lei Ming's elm head. At this time, Zhang Yunran next to him also says goodbye to Lei Ming. Lei Ming insists on watching a few people enter the security check and go back. The three people are helpless too. After the security check, they directly find their own gate to board the plane.

For the first time, Zhang Yunfeng took the first-class cabin. The first-class cabin has a very significant difference in every aspect of service. The waiting room has a special waiting room, and the boarding is also separate from the economy class. The environment in the cabin is very spacious, each seat can be fully extended, and the electronic entertainment system is also equipped.

There are four seats in the first-class row, and one aisle in the middle. Lei Xinlei decides her seat together with Zhang Yunfeng very unkindly. It seems that Zhang Yunran already knows about it. As soon as he gets up, he finds his seat and takes the lead. Zhang Yunfeng and Lei Xinlei are on the other side of the aisle. Zhang Yunfeng is near the window, and Lei Xinlei is beside him.

In the arrangement of the flight attendants, Zhang Yunfeng put down his luggage. He watched various planes take off and land on the runway from the window. He also felt a lot. Now, Zhang Yunfeng has mastered the technology of industrial manufacturing, so his perspective on things has changed completely. If ordinary people see such a busy take-off and landing, they will try to identify at most Recognize all kinds of aircraft types, but in Zhang Yunfeng's eyes, the detailed data of these aircraft all rush into his brain in a flash.

At present, there are only two absolute giants in the field of civil aviation, Boeing and Airbus. The former is from western America and foreign countries, while the latter is from Europe. Basically, the world's main line airliners are produced by these two brands. As for the regional airliners with less than 100 seats, it is a very small market.

Aircraft can be said to be the product with the highest scientific and technological content in the civil field. From the manufacturing of fuselage to the R & D of avionics equipment to the engine, these three links have very high technical content, of which the engine used by the aircraft is the one with the highest scientific and technological content.

the three giants of aircraft engines are basically at the same level at present, and no company is in the absolute leading position. In a comprehensive consideration, the requirements for aircraft engines of various models are different. Some pursue high thrust, some pursue economic fuel saving, and some prefer to sacrifice some thrust and fuel consumption to choose Low noise, but on the whole, the current aircraft engine market is relatively balanced, and the three giants are also advancing side by side.

In the next 20 years, there will be no breakthrough in this pattern, but 20 years later, general electric company has developed a new turbofan engine with multi rotor high-temperature combustion chamber. Compared with ordinary engines, this engine can increase the thrust by about 25% on the basis of constant fuel consumption. Under the condition of maintaining the original thrust, the fuel saving rate can reach 30%, and the noise can be compared at the same time Other engines also declined significantly. Once the engine of this aircraft was launched, airlines around the world immediately lined up to place orders and replaced all the aircraft they belonged to one by one with the latest engines. The huge gap made Pratt & Whitney and Rolls Royce invest a lot of money in imitation. However, due to the high degree of imitation, the two companies soon faded out of the stage of history.

Later, Ge added afterburner on the basis of this engine, which opened the real supersonic era of civil aviation. This epoch-making engine technology has been dominating the civil aviation field for nearly 30 years. Now, its complete information is all in Zhang Yunfeng's brain.

If one day, most of the cars running on the ground choose their own engines, and the airplanes flying in the sky also use their own turbofan engines, then they are the real industrial giants. They can decide the exporting countries and lock their exports if they don't like it. How happy is that day?

The more I think about it, the more I expect from Zhang Yunfeng's acquisition of Volvo. I don't know if Nie Minhui can help me with this long National Day holiday? If so, the development of new automobile engine can start immediately. At that time, I can cooperate with Nie Minhui to make her Zhongyu group make a breakthrough in the research and development of new materials through technology output. At that time, it will also be of great help to my industrial manufacturing.

When the plane took off on time, Lei Xinlei on the side seemed excited. Zhang Yunran, who had been away from home for nearly two months, was also homesick. They kept chatting across the aisle. Zhang Yunfeng leaned on the back of his chair to keep his eyes closed. However, he was thinking about several major areas that he would be involved in in the future.

Industrial manufacturing is the most important point for Zhang Yunfeng, but in today's society, there are two links that have greatly influenced the development of industrial manufacturing, one is materials, the other is manufacturing technology.

Material is a very important field, and its application is never limited to the single level of industrial manufacturing. It's like an automobile engine. The most traditional cast iron engine is cheap and has no technical content, but because of its large weight, poor heat dissipation and poor heat resistance, this kind of engine can only be used by middle and lower class cars. The better one is all aluminum The aluminum alloy is made of special aluminum alloy. However, as far as the current material technology of China is concerned, the aluminum alloy completely fails to meet the standard of high-end automobile engine. If we want to make a good engine and what kind of technology we use, let alone the material, it will have a great impact. If we can't make the best aluminum alloy, even if we use the future technology, we will The engine won't be much better.

As for the manufacturing process, this is even more advanced. With the continuous improvement of the scientific and technological level of industrial manufacturing, the accuracy and efficiency required for manufacturing are also getting higher and higher. High-precision parts processing and high-precision processing equipment are needed. At present, the domestic processing equipment is still much worse than that of developed countries, which will fundamentally affect the industrial capacity of the whole country The multi cutting-edge processing equipment adopts the strategy of prohibiting the export to China internationally, which makes the domestic research and development only by itself. However, it is gratifying that the domestic research and development has greatly narrowed the gap with the developed countries, which is also a good thing for Zhang Yunfeng. He can carry out the secondary development and upgrading on the basis of the domestic processing equipment To improve their processing ability.

According to Zhang Yunfeng, as long as he can solve these two problems, he will have a stronger development potential in the industrial field. He will save a lot of time and energy by combining with Nie Minhui. As for the high-end processing equipment, once Volvo is acquired, he should start to prepare immediately, at least, To find a way to buy several domestic five axis CNC machine tools, and then assist other equipment, to build a high-precision machining center.

More than 20 minutes later, the plane has been flying smoothly, and the flight attendants began to prepare dinner for the passengers. Zhang Yunfeng, who had been keeping his eyes closed, was awakened by the voice of the flight attendants. As soon as he looked up, a young stewardess was asking: "Sir, what do you need for dinner? The meals we offer tonight are... "

Just then, the stewardess exclaimed, "it's you!"

Zhang Yunfeng was surprised to see this girl. He remembered that she was the stewardess on the flight from Jiangcheng to Yanjing last time. There was an old man who had a heart attack on the plane that day. After he cured the old man, the girl secretly sent her an imported drink.

Zhang Yunfeng didn't expect to meet her here, so he nodded and smiled, "Hello, I've met again."

The stewardess laughed and said excitedly, "I didn't expect you to go back to Jiangcheng and take our flight." Said, the girl said with a smile: "by the way, the old man came to us last time to inquire about you, but we have principles and can't disclose the passenger's identity information, so we didn't tell him. He looks disappointed. Let us tell you that he can call him if he needs anything in Yanjing. At that time, he left a number, but gave us the plane at that time Long, he is not on duty today. If you are interested to know, you can leave me a phone number. Then I will find the captain before and send the number to you. "

Zhang Yunfeng smiled and said, "no need, it's just a matter of raising your hand that day. It's no good to be rewarded."

There was a little disappointment in the air hostess's expression, but a moment later, the professional smile hung on her face again, nodded, and said with a smile: "if there is a chance, I believe you and the old gentleman will meet again, just like the two of us."

Zhang Yunfeng said with a smile, "even if we meet, I'm afraid he won't recognize me."

The stewardess nodded and said with a smile, "well, the old man was in a coma all the way that day."

"Nana, there are still passengers waiting for service..." whispered another flight attendant opposite her

That girl just responded to come over, hurriedly asked what Zhang Yunfeng wanted to eat, Zhang Yunfeng casually ordered a set meal, the girl handed the box to Zhang Yunfeng, this just said: "I'll come back later."

Seeing two stewardesses push the dining car away, Lei Xinlei lowers her voice and asks, "do you know that stewardess?"

Zhang Yunfeng said with a smile: "I don't know you. I met you once. She was a flight attendant on the plane from Jiangcheng to Yanjing."

Leixinlei pouted and whispered, "the makeup on her face is really thick. She can weigh two Jin less after washing."

Zhang Yunfeng said with a helpless smile: "they didn't provoke you, do you need to be so damaged?"

Lei Xin Lei picked up eyebrow and said with a laugh, "I'm telling the truth. By the way, I warn you. After looking at a girl, I must not look at the makeup. I can't see the real face after the makeup. Just like me, you see, I never wear makeup and even mascara.