Take Off My Aviation Era

"This...this...this..."

I don't know how long it took. Djokovic opened his mouth and wanted to say something, but he didn't say anything for a long time. So, there is no way, the scene before him is really too shocking.

I saw that the black-painted first-stage fan of the WD-60ML turbofan engine was covered with minced meat and feathers, and there were even a little blood attached to it. It is obvious that the bird strike test of the engine is going on here before, and it is used for impact. The weight of the test bird is not small.

Because they were right next to them, the staff who operated the air cannons were thawing two frozen dead chickens, and the weight of each chicken was about 2 kg.

This level has exceeded the safety indicators of most aero engines, at least the civil engines of the former Soviet Union could not meet this standard.

Of course, these alone cannot make Djokovic and others so shocked. After all, the fighting nation has always adhered to the glorious tradition of enough. As long as the engine can send the iron bumps to the sky, safety is not the point.

The reason why these Russians even said that it was unfavorable was the number of first-level fan blades of the WD-60ML turbofan engine in front of them, the black-painted blade shape.

22 pieces! S-shaped rhythm curve!

The combination is a unique industrial beauty.

However, in addition to this throbbing beauty, Djokovic also saw the excellent performance of the WD-60ML turbofan engine with low fuel consumption, high thrust, low noise, and high stability. .

It is important to know that the fan blades of current general aviation engines are more than 36, and most of them are made of metal. A large number is equivalent to a large weight. However, the WD-60ML turbofan engine of Ascendas Group is more than ten less than the traditional engine. Fan blades, what does this mean?

The weight reduction of WD-60ML turbofan engine is obvious.

When the weight is down, the thrust-to-weight ratio will be higher, and the thrust-to-weight ratio will be higher, and the overall thrust will be increased. Based on this, along with other performance improvements, the performance of the WD-60ML turbofan engine will naturally rise.

Of course, only this can only show that the WD-60ML turbofan engine is not bad, but it can be completely changed by adding the S-shaped rhythm curve, because the blades of this shape are better than the previous scimitar-mounted aerodynamics. The layout is more efficient, especially when facing the supersonic speed of the blade tip, it can more effectively absorb high-speed airflow, thereby creating greater thrust for itself.

All in all, in a nutshell, Liu Cong didn’t say anything big just now, and Ascendas Group’s WD-60ML turbofan engine is really good, so a group of clamoring executives and experts in the Russian aviation industry were dumbfounded, and I don’t know why the old face Djokovic of things started his performance again.

Cough twice to relieve the shocked gaffe, then smiled and turned his head to look at Liu Cong, and asked amiably: "How do you make this kind of blade? Also, the H-ZB800 grade carbon fiber you just mentioned is again What kind of product is it?"

Liu Cong smiled more and more honestly, but there was a sneer in his heart, and he still talked about it, so I am not afraid that I will scare you to death.

How did you make it, what product?

It is such a urinary product made against the F-22 of the United States!

Yes, what Liu Cong thought was right. In fact, as early as seven or eight years ago, Song Yanan of the Aeronautical Materials Research Institute under the Ascendas Group accidentally prepared a carbon fiber composite in a certain experiment. It is found in the materials that the micro-mirror reflection effect can be formed through different fiber gaps and the degree of arrangement, and the return of radar waves can be reduced, so as to achieve a certain stealth effect, the Ascendas Group has actually been incorporated into the next generation combat aircraft by the superior. Key supporting units for supporting pre-research.

At that time, it was the end of the 1980s, and the progress of the No. 10 project was still stumbling, but the superiors had already deployed the systematic pre-research of the next-generation combat aircraft with a forward-looking vision. Since then, one generation of research, one generation of pre-research, one generation of exploration R&D ideas began to take shape.

It's just that the overall technology was backward and the technological conditions were effective. Although some units such as the Ascendas Group have some highlights, the overall level is still not enough for the new generation of combat aircraft.

Even the highlight of Ascendas Group is only a theoretical breakthrough obtained in the laboratory, which is far from practical application. Let alone how the fiber array and weaving of this material are carried out, even if the demand is met Load it on the plane.

Because according to the requirements of the new generation of combat aircraft announced by the United States, there is a supersonic cruise, and the heat generated by the friction between the airframe and the air during the supersonic process is very high, and ordinary carbon fiber composite materials cannot withstand this kind of temperature burning. .

Therefore, the problem faced by Ascendas Group is not only the stealth function of the material itself, but also the practical problem of application on the aircraft.

Fortunately, the superiors attach great importance to this aspect, especially in the face of the progress of the American F-22 fighter jets, they have stepped up the pace of the pre-research. Not only did they select a capable team from the smoothly progressing No. 10 project to join the pre-research team, but also continued to increase Investment intensity of large pre-research projects.

In the early 1990s, Ascendas Group’s national funding for composite materials reached 80 million yuan, and in 1993 it increased to 150 million yuan. After a major event in 1996, it increased its R&D funding to 300 million yuan.

In addition, the aviation and aerospace departments, local and military research and development funds have also been followed up. Coupled with Ascendas’ own high annual R&D investment, the materials research institute of Ascendas Group’s annual R&D expenditure is not less than 5 Billion.

After so many years of spending money regardless of cost~www.readwn.com~ Finally, at the end of last year, Song Yanan’s team came up with a high-strength and high-toughness that can be put into practical applications, and the coexistence of mirror emission and wave absorption characteristics New composite material-3900-2800 prepreg.

Among them, 3900-2 is the number of epoxy resin in the prepreg. Only one of this type of composite material has ultra-high toughness. The application of epoxy resin is indispensable. Not only that, but also according to the different proportions of epoxy resin. Absorbing radar waves with different attributes.

After testing, 3900-2 type epoxy resin has strong absorption properties for mainstream air defense radars such as millimeter wave and centimeter wave after being reinforced at high temperature. With the unique fiber layout, it can achieve extremely good stealth effect.

As for T800, as the name suggests, it is T800-level high-strength medium-mode carbon fiber. Its function is to cooperate with 3900-2 epoxy resin to form the main structure of the entire composite material.

With such awesome things, the head of the Ascendas Group, the king of the aerospace industry, the son of the pretender world, the master of naming, the master of naming, making money, and Jianye. Of course, they did not know to miss this golden opportunity, so they hid After holding the office for three days, it finally gave this new material a name: H—ZB800

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