Will the high speed rail float up if it is so fast?

If an object wants to float (fly), it needs to have enough lift to support it. High-speed trains are designed and manufactured without wingsSpeed does not create lift to "float" the train like an airplane does. However, the role of centrifugal force must be fully considered, so high-speed railways are mostly gentle, small curvature, and small slope railways.

In short, the principle of high-speed rail, on the one hand, eliminates the problem of track connection, and on the other hand, all the wheels work together to not only unify the strength, and the effect is the same, and the train begins to change speed flexibly. In this way, the speed of high-speed rail will be greatly accelerated.

But let's not be mistaken. After all, the weight of the locomotive alone cannot match the weight of the whole train, and it is not possible to directly drive the whole train in one go. When the actual train starts, the locomotive should move the first carriage first, and the first carriage should move together to increase the energy of the locomotive running, and in order to move the second carriage, the whole train begins to move, in fact, one by one.

It's quite a long process and takes quite a long time. The same goes for the speed change. It's not easy for ordinary trains to run so fast.

Looking at high-speed railways, it's not just locomotives that have EMU traction motors. Almost every car has a motor, and almost every wheel has the power to rotate.

In this way, the EMU moves forward, just like every dragon boat race paddling, all the wheels go hand in hand, united and solid, the train is relatively light, the train runs fast, in this case, a bit like the army's honor guard,All actions are consistent, and command and operation are flexibleIf the actions are not coordinated, changing the state is a long process and cannot be so fast.

Of course, this will not be, the high-speed rail is suspended on the railroad tracks, which is very safe.

He doesn't float, he has his own way of working.

This is because the speed of high-speed rail is not fast enough for it to float.

I don't think this one will float up, and the maglev train is attractable.

The speed of high-speed rail cannot go fast all the time. Since the invention of high-speed trains, it has been constantly breaking speed records for land rail vehicles in experiments. Like other vehicles, high-speed rail trains also use |The force overcomes the resistance in the way of acceleration.

As long as the traction force is greater than the drag, the train can accelerate. Therefore, at the beginning, we only need to increase the total power of the power equipment on the train and increase the gravitational force to make the train accelerate. However, when the total power is high enough to a certain extent, the gravitational force can no longer increase.

Features of high-speed rail:1.The high-speed rail is very smooth to ensure safety and comfort.

The high-speed railways are all seamless steel rails, and the high-speed railways with a speed of more than 300 kilometers per hour use ballastless tracks, that is, the overall track bed without stones, to ensure smooth flow.

2.The high-speed railway has fewer curves, a large curve radius, and the turnouts are mobile high-speed turnouts.

3.Viaducts and tunnels are widely used to ensure flatness and greatly reduce distances.

4.The high-speed railway catenary, that is, the suspension mode of the conductor at the top of the train, is different from that of ordinary railways, so as to ensure the contact stability and durability of high-speed EMUs.

The reason why high-speed rail is fast is mainly in terms of facilities, signals, shape, and power.

1. Facilities: The high-speed rail uses a new high-speed rail line, which is a viaduct.

mainly ballastless tracks.

The track can ensure the stability and durability of the line, and create good basic conditions for the high-speed travel of high-speed rail. In addition, the curve of the high-speed rail is also larger than that of the ordinary railway, which better ensures the safe and fast turning of the high-speed railway.

2. Signal: The high-speed rail uses advanced signalers as communication signals that are much more advanced than the traditional driver's lookout signals, so as to ensure the rapid travel of the high-speed rail.

3. Appearance: The high-speed rail adopts a streamlined appearance, which can reduce air resistance.

Greatly increase its travel speed, while ordinary trains are still square, and the resistance will be great when the speed is high, which is not conducive to the increase of speed.

4. Power: The high-speed rail is connected by several bullet trains, and each of its bullet train carriages is a locomotive.

Of course, it's faster than average. The average train is just a locomotive pulling a dozen carriages.

High-speed rail, or high-speed rail for short, refers to a railway system with high design standards and can be used for safe high-speed travel of trains. The concept is not limited to tracks, nor does it refer to trains.

High-speed rail has different regulations in different countries, different times, and different scientific research and academic fields. State Railway Administration of China.

The promulgated "High-speed Railway Design Code" document defines high-speed rail as a new design speed of 250 kilometers (inclusive) to 350 kilometers per hour (inclusive) and running EMU trains.

Standard gauge passenger dedicated railway.

High-speed rail can't go fast all the time. The speed of high-speed rail depends on the problem of line and platform scheduling, now most of the tracks of high-speed bullet trains are ballastless tracks, when some local lines are ballasted tracks, the speed will be limited, such as Jinlu high-speed railway is a ballasted track speed limit of 250km h, and the speed limit of ballastless track is between 300 and 350 km.

Advantages of high-speed railWith comprehensive technical capabilities, China's high-speed rail is a model for the introduction, absorption and integration of the world's advanced technologies. The cost advantage of construction is that the cost of China's high-speed rail is only one-third to one-half of the cost of foreign countries. Industrial advantages, China operates more than 45 high-speed railways in the world, has the world's largest, complete, systematic and efficient operation of the first chain, China's high-speed rail construction management and operation experience is very rich.

China's high-speed rail goes out to integrate the three major ways of goods, services and capital export, which is also the most commendable business model in the West.

Underneath the train is the train's converter, which is equivalent to the brain of the high-speed train, and the core of this brain is a small chip. The IGBT composed of chips the size of fingernails can handle ultra-high voltages above 6500V, and the IGBT chip can achieve 100,000 current switching actions in just 1 second, thus driving the high-speed rail to drive at high speed.

The manufacturing of each IGBT chip needs to go through more than 200 processes, which involves the integration of multiple complex disciplines such as semiconductors, machinery, electronics, computers, materials and chemical engineering.

In fact, it is very easy for the speed of the train's motor to reach so fast, the key is that the speed is fast, and the rest can not be sustained! The speed of high-speed rail affects many aspects! For example, when the high-speed rail enters the cave, if there is no improvement in technology, the whole vehicle will disintegrate because of the resonance frequency, and people sitting in the train will not be able to stand it, when the train travels at high speed, the pressure on the rail is also greatly increased, so the bridge has to withstand a high instantaneous pressure, and there is the connection of the high-voltage electricity on the train, the speed is too fast will produce a strong arc, and the most critical thing is that the contact between the wheel and the rail A little error will make the high-speed rail unable to turn The vibration will be very large. Excessive vibration will make the whole vehicle unable to stabilize at least two aspects, on the one hand, the elimination of the rail connection, the train can run at full speed; On the other hand, with EMUs, all wheels run together, which not only unites strength, but also moves consistently, and the train starts and changes more flexibly.

In this way, the speed of high-speed rail is greatly accelerated.

Why does high-speed rail run so fast? With just one wheel, the process is so cumbersome!

There are at least two aspects of high-speed rail running fast, on the one hand, the elimination of rail connections so that trains can run at full speed;On the other hand, with EMUs, all wheels run together, which not only unites strength, but also moves consistently, and the train starts and changes more flexibly. In this way, the speed of high-speed rail is greatly accelerated.

Upstairs, you have a bit of common sense?"Magnetic levitation technology"?High-speed rail is obviously wheel-rail transportation, and now there are more and ......more ignorant brains

It is because of the use of magnetic levitation technology and dynamics.

Because the speed of the high-speed rail itself is designed to be a high-speed railway locomotive, Hu Congxiang runs very fast. The specially built high-speed railway track also ensures the safety and reliability of high-speed rail operation. Due to the requirements of the design and operation of the high-speed railway, the overall number of stops will be fewer than that of the traditional train, so the running time will feel faster.

Because the high-speed rail itself is designed to be a high-speed railway locomotive, it runs very fast. The specially built high-speed railway track Zhengyan Road also ensures the safety and reliability of the high-speed rail operation. Due to the design and operation requirements of high-speed rail, the overall number of stops will be fewer than that of traditional trains, so the running time will feel faster.