Chapter 1251

Looking at the highly recognizable double cone warhead and Professor Yu's introduction, the faces of the leaders of the national military university all showed an emotion that could not be concealed.

As Professor Yu said, this kind of high-altitude "m" trajectory can directly break the missile interception system of foreign countries and achieve more effective penetration attack.

Once formed, China will have an advanced attack means no less than Russia's Iskander missile.

No... it should be said that the jszb-08 hypersonic warhead led by Professor Yu is more flexible and efficient than the Iskander missile.

Because the Iskander missile of Russia is a kind of integrated missile system without separation of missile body, although the penetration trajectory is also "m" type water drift maneuver trajectory, which is different from the separation system of jszb-08 hypersonic warhead. The integrated design of Iskander missile makes the whole missile do "m" type water drift maneuver at high altitude.

The advantage of this is that it is more convenient in design and more powerful in attack.

However, the disadvantages are also obvious. The first is speed. Iskander claims that the maximum speed can reach Mach 10, but in fact, except that he can maintain Mach 10 when he falls at an altitude of 50 km for water drift maneuver, the rest can only maintain Mach 5 at most.

The velocity is much lower than the Mach 7 attack velocity of jszb-08 hypersonic warhead.

Of course, the most important point is the lack of flexibility of Iskander. Besides Iskander missiles, similar technologies cannot be replicated on other Russian missiles.

JSZB The jszb-08 hypersonic warhead is different. After all, the jszb-08 hypersonic warhead is just a warhead, just like a fixed ammunition. It can be installed and used as long as the launcher is suitable.

JSZB The - 08 hypersonic warhead is the same, and can be adapted to various types of domestic M-family ballistic missiles according to different requirements.

Even more powerful medium range missiles can be assembled as long as conditions permit.

At that time, the range of domestic M-family missiles will not only be greatly increased, but also the penetration capability will be qualitatively improved. From this point of view, jszb-08 hypersonic warhead is far more forward-looking than Iskander.

Of course, jszb-08 hypersonic warhead has both advantages and disadvantages. The biggest one is that the control of the separation of warhead and body is an unavoidable problem.

The flexibility of Iskander is insufficient, but the integration of the missile body means that the relevant control system has enough space to install. The jszb-08 hypersonic warhead is flexible, but the total length is only two fifths of the total length of the whole missile. After planing nearly 500 kg warhead, the remaining space can be said to be very small.

Although the military leaders and the head of the headquarters were excited about the jszb-08 hypersonic warhead, they also quickly saw the problems, so they soon calmed down. After a low voice exchange, the head of the headquarters asked: "Professor Yu, as far as I know, the biggest difficulty of Sanger's trajectory is attitude control, Although the aerodynamic theory of jszb-08 hypersonic warhead has been sufficiently demonstrated, is there a feasible control scheme

Professor Yu Wen Yan looks at Zhuang Jianye not far away, which means that this problem should be dealt with by general manager Zhuang.

Zhuang Jianye, however, gives Professor Yu an encouraging look, and silently expresses that he is not professional in this aspect. You'd better come by yourself.

Professor Yu saw that he could only do it by himself, so he explained: "for the control problem, the method we currently adopt is to use satellites to control the attitude of the warhead."

"Relay satellite?"

After listening to Professor Yu's words, the leaders of the military immediately thought of the three on orbit relay satellites that China's take-off belongs to. Now they have developed into the second generation. In addition to the transmission of relay signals, the most important activity is to carry two sets of home-made cesium protoclock on them, which has certain satellite navigation functions.

Because of this, in addition to verifying the transmission and control of space signals, thus reducing the dependence on ground stations, the most important task of the second generation relay satellite is to verify the feasibility of satellite navigation.

From the current results, whether it is the signal transmission between satellites or the air ground communication between satellites and the ground, there is no problem. In theory, it can replace some ground stations to realize the control and information exchange of global satellites.

But the effect of home-made cesium atomic clock is not very ideal, because the delay and error of timing is very large, resulting in extremely inaccurate positioning accuracy.

The reason is not the problem of China's take-off satellites, but the technological problems of cesium atomic clock manufacturers. In other words, the technology of cesium atomic clock produced by domestic manufacturers is not precise enough, resulting in excessive internal errors.

Because of this, the most important purpose for China to join the European led Galileo satellite navigation program is to introduce European cesium atomic clock production technology, so as to achieve leapfrog development in related fields.However, these things can not be dominated by China's take-off, and even if the navigation verification is not successful, it will not affect the role of relay satellite transmission and control.

As long as the relay module is installed on the warhead, the real-time control of the warhead can be realized through the relay satellite.

But

"Even if the relay satellite is used, the orbits of the three relay satellites are very high. In this state, can the communication between the warhead and the satellite be smooth?"

At this time, the head of the headquarters put forward a sharp and realistic problem. Relay satellite can indeed solve the problem of warhead control. However, the orbit altitude of China's flying relay satellite is over 100 km, and it is still in a static orbit. It is really difficult for the three satellites to communicate with each other. It is not easy for a high-speed warhead to establish contact.

After listening to this, Professor Yu did not appear to be so flustered. Instead, he calmly replied, "we can change the orbit of the satellite we need!"

"It's not difficult to change orbit, but it has a great impact on the life of the satellite. How many times can your satellite support orbit change?" At this time, a technical leader from the Aerospace Department opened his mouth and pointed to the core of the problem.

We should know that the small rocket engine and fuel loaded inside the satellite are not used casually, but the attitude adjustment to resist the gravity of the earth, or the forced maneuver to avoid the impact of space garbage.

After all, no one can guarantee that the satellite will not encounter space debris in orbit and will not gradually fall into the atmosphere because of the earth's gravity. When it is ready to intervene, it will be found that there is no fuel left. Should we watch the satellite scrap?

Of course, Professor Yu understood the subtext of the technical leader who came from the Aerospace Department, and did not explain it too much. He just said, "we have not calculated how many times the third generation relay satellite we have just developed can make orbit changes, because it is very difficult to quantify 15000 hours of uninterrupted kinetic energy output, After all, the quantitative index of our dpz-06 Hall thruster can only be calculated in hours. "

When he said this, Professor Yu frowned, as if he could not give a satisfactory answer, and he was very upset. But after hearing this, the technical leader of the aerospace field was numb, and his heart was directly capitalized ~ ~ ~ Hall thruster, NIMA, why didn't he say it earlie