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Chapter 592 Small Turbofan

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    As soon as he finished speaking, Hou Yuejin walked to an Attack-2 UAV and called a staff member nearby. The two of them removed the power cabin shell at the rear of the aircraft body.

    A power unit less than one meter long and about forty centimeters in diameter was soon revealed. Hou Yuejin pointed at the power unit and said: "Our wd-30s turbofan engine uses this principle. Please take a look, except  In addition to the inner duct of the turbine and the outer duct of the fan, we added a duct-like mechanism at the tail nozzle.

    In this way, the high-temperature airflow injected backward will induce the ejection effect just like a bladeless fan. Under the action of the Venturi effect, the cold air will be driven to be injected successively along the outer duct, thereby affecting the injected high-temperature gas.  Neutralized.

    In conjunction with the 2.86 bypass ratio of our wd-30s turbofan engine, the engine itself has a relatively large amount of cold air injection, thus forming a double cooling effect with the outermost injection duct, so uh Dear heads  ¡­I don¡¯t know¡­whether I meant what I said¡­¡±

    Facing the wd-30s turbofan engine, Hou Yuejin suddenly had the urge to talk about his new ideas to a group of team members in the business department at the group headquarters.  My little heart almost stopped.

    He saw a bunch of heads, including the head of the headquarters, staring straight at him. The momentum made Hou Yuejin break out in a cold sweat behind him. At the same time, he quickly asked three questions in his mind:

    Did you make any mistakes?  Is there something else that was not explained thoroughly?  Oh, what can I do?

    So Hou Yuejin's voice became softer and softer, until he swallowed all the words in his stomach, but the leaders in front of him continued to stare at him as if they didn't notice anything. Hou Yuejin's heart immediately  I raised my throat and thought, Oh my God, I couldn't have really made a mistake, could I?

    It wasn't until an officer accompanying the leader pulled his sleeve and signaled him to stand aside that Hou Yuejin realized that he had been thinking too much. The focus of the leaders was not on him, but on the TV station.  WD-30S turbofan engine, and he was so stubborn that he blocked most of the WD-30S turbofan engine. Who else could the leaders look at if they didn't look at him?

    Without saying a word, he quickly left. In an instant, most of the invisible pressure disappeared, and Hou Yuejin finally let out a long sigh of relief.

    However, the pressure on Hou Yuejin was low, but the pressure on the head of the airborne troops was great, because the heads of all the troops kept looking at him, especially the heads of the navy, with jealousy in their eyes.  , envy and a certain kind of pleasure that I finally saw, were mixed together, like a knife, cutting the leader of the airborne troops.

    Of course, this is not bad. The only commander of the Second Artillery Corps is more direct. Look at the wd-30s turbofan engine, and immediately turn around to look at him, the commander of the airborne troops, and look at the commander of the airborne troops.  , then turn around and look at the wd-30s turbofan engine.

    With those sharp and straightforward eyes, you can know what you want to express without having to guess. Small turbofan engine, okay, old man, you can get these things. I can also give you a hundred or so, okay?  ?

    No wonder these leaders are like this. They may not understand the profound principles of aerodynamics or various calculation methods, but they are very aware of the huge power of a turbofan engine, especially the small turbofan engine in front of them.  value.

    Why can the cruise missiles of the United States and the Soviet Union fly so far?

    It¡¯s not about how many lightweight materials they use, nor the fact that they have perfected the fuselage shape, but because they generally use small turbofan engines.

    ? Fuel-saving, lightweight and efficient.

    ¡°This has long since established the unparalleled status of the United States and the Soviet Union in the field of cruise missiles.

    Other countries want to catch up, such as France, but there is no way. The cruise missile is too good, and it can be used both nuclear and conventional in seconds. The United States and the Soviet Union have agreed to use it, so France also wants to do it.

    As a result, the engine is always difficult to pass.

    You must know that aircraft engines are so irritating. It takes a lot of effort to make them bigger; it is not easy to make them small. Even if they are only one-time, they must ensure a service life of more than 50 hours.

    Don¡¯t underestimate these 50 hours. At a high temperature of about one thousand degrees Celsius, not all materials can last for such a long time, not to mention that there must be a certain life span if necessary. In other words, if it can be easily recycled  It can still be used normally after repair.

    This requires that this type of small turbofan engine has performance that is no less than that of ordinary engines, and because each component is small, production and manufacturing also need to be adjusted.

    In short, it is not easy to really build this type of engine.

      Several times throughout the world, the United States and the Soviet Union, Europe did not develop the so-called "Taurus" cruise missile with the technical support of the United States until long after the end of the Cold War. However, even so, the range and effectiveness were still one level behind.

    So France has no choice but to use small turbojet engines instead.

    The situation in China is similar to that in France. The thirst for small jet power is really overwhelming. If nothing else, most of the anti-ship missiles in the hands of the Navy are rocket engines. Not only are they large in size, but their range is also limited, they can only hit 40 kilometers at most.  .

    This distance is only a little farther than the battleship guns during World War II.

    The subsequent C-801 was only stronger than those old-fashioned missiles in terms of size, and there was no qualitative breakthrough in range. The subsequent improved C-802 finally made a breakthrough due to the use of turbojet engines, with a range of more than 80 kilometers.

    However, it is still a little short of the Navy¡¯s target range of more than 150 kilometers.

    The Navy also knows that everything can be easily solved by changing to a turbofan engine. The problem is that China is not as good as France in this regard. In addition, due to the division of labor in the industry, the aviation unit responsible for aviation development thinks that missiles are aerospace, so they focus all their energy on large aero engines.  superior.

    The aerospace force is a professional manufacturer of missiles, but it has no experience or foundation in professional aviation products such as turbofan engines. It can only take one step at a time.

    Under such circumstances, the Navy really has no other option but to wait.

    A similar situation exists with the Air Force and the Second Artillery Force, because their air-launched missiles and cruise missiles under development all require the support of small turbofan engines, so that combat effectiveness and combat effectiveness can be improved by several levels. However, the result is the same as that of the Navy.  There is no need to talk about anything.

    Now, Ascendas Group¡¯s WD-30S turbofan engine is displayed shyly in front of everyone. To be honest, if the several military leaders present had not had very strong control, their saliva would have flowed to their feet.

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