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Chapter 1246 The most important weapon of the country

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    "A 7.2-meter large titanium alloy structural part?"

    After listening to Zhuang Jianye¡¯s words, the senior researcher was fine. The squinted eyes of the head of the headquarters on one side suddenly widened, but they squinted again the next moment. He looked at Zhuang Jianye and asked in confusion: "What kind of project component is this?"

    Yes, what kind of aircraft part is this?

    It was not just the head of the headquarters who was confused. Almost everyone, including the military leaders, asked Zhuang Jianye the strongest questions with silent eyes.

    There is no way, if these people are ordinary people, that's it. Zhuang Jianye can say whatever he wants. Lao Zhuang pretends to be 13, they just cooperate, and they don't understand anything anyway.

    The problem is that whether they are military leaders or senior researchers, these senior cadres who live in temples are the initiators and approvers of various key projects. If there is any aviation project that requires a titanium alloy with a cross-section of 7.2 meters,  How could they not understand the large structural parts?

    Maybe there is no need to wait until now. This group of people have come to China Tengfei to see what's new. You must know that the manufacturing technology of such large-sized titanium alloy large structural parts is one of the core production technologies of the next generation of combat aircraft.

    After all, both high maneuverability and supersonic cruise are a great test for the structural strength of the aircraft body, not to mention the superposition of the two. In addition, the total structure weight must be controlled as much as possible. All these factors combined will have a negative impact on production and manufacturing.  It's nothing more than a change of attitude.

    If not, why is it that the next generation of fighter aircraft is so good, so far only the United States can develop and produce it? Other countries, including Russia, have only touched upon it a little bit at most, and are cautious about going further. It is not the overall design of the next generation of combat aircraft.  How difficult, or rather how complicated it is to start the form factor.

    The main reason is that manufacturing is too difficult. Even if you have drawings and theories, you may not be able to make it.

    This is just like a commercial house, clean water house, fine decoration and luxury decoration are the same. The house is the same house, but the quality of decoration can make the comfort of the house very different.

    Because of this, if China Tengfei can really produce large-scale titanium alloy structural parts with a cross-section of 7.2 meters, it is estimated that the military leaders and others will be as excited as winning a lottery worth tens of millions.

    After all, this means that China has overcome another manufacturing problem of the next generation of combat aircraft, thereby greatly accelerating the development progress and installation speed of the domestically produced next generation combat aircraft.

    The question is, is there such a project?  If so, how come they don¡¯t know about the existence of chariots in temples?

    Zhuang Jianye certainly knew what the leaders were thinking, so he quickly explained: "This large structural part is not a project in the aviation field."

    "It seems that the aerospace field is also"

    As soon as Zhuang Jianye's words came out, the head of the headquarters was about to refute. However, when the word "no" was about to blurt out, the head of the headquarters suddenly realized something. His narrowed eyes widened again, and he asked carefully with a trembling tone: "  Xiaozhuang, please don¡¯t be too pretentious this time. Is there any plans for the hypersonic wind tunnel project?¡±

    As a result, before Zhuang Jianye could answer, the military leader stepped forward, took Zhuang Jianye's hand, and urged with the same trembling tone: "Xiao Zhuang, have you really built a hypersonic wind tunnel? Let's go quickly.  Take me to see it, it is a genuine and valuable weapon of the country!"

    Zhuang Jianye didn't expect that the two military leaders would be like children who saw a novel toy, and their years of Qi-nurturing Kung Fu would be broken immediately. If he didn't see it with his own eyes, it would be like losing two kilograms of meat if he didn't see Mo Mo with his own hands.  .

    But think about it, what is a hypersonic wind tunnel?  As the military leader said, it is an absolute important weapon of the country, because with this thing, it can simulate the attitude and structure of the aircraft at supersonic speeds with air flow speeds between 1.5 kilometers per second and 7 kilometers per second.

    That is to say, between Mach 4 and Mach 20, the various performance parameters of the aircraft no longer need to be fired with test bombs in the field. It is time-consuming and costly to conduct so-called tests. All parameters can be fully grasped directly on the ground using equal-scale models.  In hand.

    It plays a vital role in cutting-edge scientific theories and applied research on hypersonic aircraft, high-fuel ramjet engines, critical space flight devices, re-entry missile warheads, QXS ballistics, Sanger ballistics, near-Earth space physics, etc.  .

    Because of this, this type of wind tunnel facilities has always been regarded as prohibited by developed countries. Not only is the export of related technologies prohibited, but the test data and relevant conclusions obtained using such facilities are rarely published.

    In the words of Antonov, director of the U-12 Shock Wind Tunnel Laboratory of Russia¡¯s National Central Mechanical Research Institute, the largest hypersonic wind tunnel in the world today: ¡°Imagine??It is very simple to know the results of our experiments, that is, declare war on us now. I guarantee that in the next second you will know what the quality of our experimental results over the years is!  "

    It is full of simple and crude ridicule of the furry bear version. Although it is a bit biased, it cannot be denied that the essence of Antonov's words is still very reasonable. That is, all experimental research on this kind of wind tunnel facility is a national strategic security.  Cornerstone.

    Because of this, China will spare no effort to invest huge sums of money in this area and build its own ultra-hypersonic wind tunnel.

    There is no way. After the end of the Cold War, objective factors at home and abroad have forced the country to make efforts in this area. If nothing else, the re-entry warhead of the anti-ship ballistic missile in the "Killer" plan is in a sense  It is a hypersonic aircraft.

    In order to further enhance the penetration capability, increasing the reentry speed is an inevitable choice. The problem is that two low-Earth orbit space tests were conducted in China in this regard, and both ended in failure.

    On the surface, it is because the material's thermal insulation performance is not enough to ensure that the guidance system in the warhead is not burned when the speed reaches Mach 20.

    In fact, the fundamental reason is that there is no wind tunnel experimental equipment capable of conducting Mach 20 in China, and basic data indicators cannot be given. Naturally, there is no way to come up with effective solutions in this regard.

    The other is the anti-missile satellite weapon system in the killer plan. Whether it is to intercept mid-range ballistic missiles or attack satellites in low-Earth orbit, it involves high-speed flight control and precise guidance of the attack warhead in near space.

    If this thing relies on firing actual bombs one round at a time, not to mention other things, the cost of the launch vehicle alone will be an astronomical figure.

    What's more critical is that the anti-missile satellite weapon system cannot be produced in China. Not to mention the dense sea of ??ballistic missiles in the surrounding area, which threatens national security. More importantly, if you don't have this thing on hand, you have to be wary of the satellites you launch.  , after all, it¡¯s really uncomfortable to feel like someone hits you casually and you can¡¯t fight back.

    Based on the above, ultra-hypersonic wind tunnels are not something that should be done in China, but must be done.

    What the military leaders and others did not expect was that China Tengfei, which was responsible for this project, had made significant technological progress so quickly. This made the military leaders and the head of the headquarters not excited, and how could they not be excited!

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