Chapter 436

Chen Xin was greatly interested in the research and development of the new aircraft.

For him, it's not limited to his ability to make a new plane.

However, Chen Xin can't be too open-minded. After all, he has to consider the actual production. Even if Chen Xin can make the X-Wing starfighter in Star Wars, the country can't even make a lightsaber.

This is the gap between the industrial system and the overall science and technology, which can not be made up by simply relying on Chen Xin's opening.

Therefore, even if Chen Xin wants to design a new fighter, he must also consider the country's industrial production capacity and whether the new fighter can be built. In addition to design problems, there are also many factors such as cost and technology.

This also led to Chen Xin can not use too exaggerated technology, it is better to design and Research on the basis of existing technology.

For Chen Xin, it's very easy to make the new aircraft design advanced. After all, there are so many sci-fi works, any one can be copied by the system.

But to make the new aircraft more practical and less advanced It's going to take some design.

Fortunately, the place where Chen Xin is at this time is the temporary capital of the state of Yan. There are a lot of scientific research forces and relevant materials, and Chen Xin has the right to call these materials.

Of course, Chen Xin can't understand the specific scientific research materials, but if people sort out a catalogue and brief introduction of the technologies currently used by Yanguo in the field of aircraft manufacturing, Chen Xin can still find what he wants.

For an airplane, the most important thing is of course the engine known as the heart.

In those years, Yanguo had been spurted by people. The biggest problem was the engine performance and production R & D capability. It was once a great pity for Yanguo in the aviation field that there was no independently developed and reliable engine.

Later, after the efforts of countless people, Yanguo finally made a breakthrough in this field, and the manufacturing and R & D of engine finally achieved fruitful results.

However, for the new aircraft, Chen Xin does not intend to use the existing aircraft engine.

Of course, there is no need to repeat the reasons. Chen Xin is optimistic about the electric propulsion system originally used in the aerospace field, also known as ion thruster.

In short, the working fluid is electrolyzed into charged particles by electric energy, and then the thrust is obtained by accelerating the charged particles.

This is also a common engine in science fiction works. It is usually used in spacecraft, and it is not considered to be used in the atmosphere.

This is mainly because the thrust produced by the ion thruster is too small, or the power is too large.

Ion thruster can accelerate charged particles to tens, hundreds of kilometers per second, or even higher. In this case, if a relatively large thrust is to be generated, the power required by ion thruster will be very large, and at the same time, it also needs a very large amount of energy to drive it.

Taking the relatively mature technology on Bluestar as an example, if the power of the ion thruster is increased to 200kW, it can generate about 0.45kg thrust. Although it is not impressive in the atmosphere, if it is lifted into space, after getting rid of the influence of gravity, this thrust will be enough to push 2 tons of weight.

Of course, this is the result of the original technology level of Bluestar.

With the nuclear reactor technology currently mastered by Yanguo, it has been able to provide a micro reactor with a power of more than 10MW that can be installed on an aircraft, which is enough to provide abundant energy for the engine.

What Chen Xin wants to do is to reduce the jet speed of the ion thruster, so as to increase its thrust.

This is the same principle as a jet engine to reduce the jet speed and increase the engine thrust.

Kinetic energy EK = MV ^ 22, momentum = MV, thrust is determined by momentum.

For an aeroengine, the exhaust is the energy lost.

In the case of constant momentum MV, reducing the exhaust speed can reduce the energy taken away by the exhaust and improve the efficiency.

Similarly, keeping the momentum constant and reducing the exhaust speed requires a higher mass of working fluid, that is, more air is inhaled.

So generally speaking, if an aeroengine wants to be efficient, it needs to drive a lot of air at low speed.

However, although the principle of ion thruster is well understood, its demand for air, that is, working medium, is far lower than that of ordinary aero-engine.

At present, the consumption of working medium per second of ion thruster is milligram level, and the thrust generated is 0.1N level. If this value is amplified to meet the thrust requirements of jet fighter, the consumption of working medium is still not worth mentioning.

Taking the Taihang engine independently developed by Yanguo as an example, its thrust can reach 13.5 tons. If converted into cattle, it is 132300 cattle, and the corresponding consumption of working fluid is about 0.13 kg per second.

The consumption of this working medium is absolutely not large. Similarly, taking Taihang engine as an example, its air intake is 118 kgsec, which is almost 1000 times that of ion thruster.Therefore, under the premise of using air as working fluid, the air intake required by ion engine is quite insignificant, even similar to that of ordinary household car.

As for the problem of restricting the power of ion thrusters in the atmosphere, it is no longer a problem in the face of the abundant power provided by small nuclear reactors.

To solve the problem of engine, for an aircraft, the rest is nothing more than aerodynamic layout, structural design and other details, and these details can be solved by the classic physical means of big flying brick.

As long as the power is enough, no matter how bad the aerodynamic layout and structural design can fly, as long as it does not fall apart.

Of course, Chen Xin hasn't been so crazy that he plans to design the shape of the plane.

But as a non professional, he considered more about the appearance of handsome, rather than rationality.

Although according to a law of causality, the more beautiful the appearance is, the more advanced the technology is, but for the ordinary aircraft designer, the appearance should accommodate the technology after all.

But for Chen Xin With systems in place, he can also achieve supersonic speed even if he builds a high-speed aircraft. Therefore, in terms of aircraft shape design, he can focus more on appearance than technology.

After some brain holes and referring to the existing science fiction works, Chen Xin's final design looks more like a space fighter than a fighter used in the atmosphere. Although the angular one is very handsome, it is not mellow at all.

And the most important thing is that two of the three propellers Chen Xin installed on the aircraft are installed on the wings, which is quite different from the design and layout of the existing fighters.

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