Why can t an airplane burn out on landing?

First of all, it is stated that the plane flies in the atmosphere and definitely generates heat. There is no supersonic speed in active civil aircraft, so the heat is very low, and even when flying at high altitudes, there will be ice on the wings. The heat generated by a supersonic fighter is not negligible, especially when the speed is higher than 300 degrees Celsius, but it does not burn out.

In the case of hypersonic aircraft or missiles, the material of the nose or warhead is either heat-resistant or ablative. For more information, search in the encyclopedia Thermal barrier, I think it can solve your problem. The flight speed of meteorites, or rockets, is on the order of M10 or more, much higher than the flight speed of aircraft, so this kind of problem is a common problem, so it may be that aerospace focuses more on points, and aviation rarely mentions.

Your second question. First, the speed of the universe is premised, assuming that the Earth is a particle. That is, the reference velocity is the center of the earth, not any point on the earth's surface. So at a certain altitude, it's not climbing. So I can't fly out.

There is a big difference in flight speed, and the flight speed of a jet aircraft is 800 meters --- 2,700 kilometers per hour. After the meteorite flies into the earth's atmosphere, the speed reaches 15 kilometers per second, and the temperature rises to more than 1,000 degrees Celsius, gradually becoming a dazzling fireball, also known as a fire meteor.

Why didn't the aviation plane burn like a meteorite when it landed? Help, the more detailed the better, the material of each of the eight kinds of space shuttle is different, the first one is called alkaline polyarylamide, this.

The main thing is a matter of speed. The speed of the flight of the aircraft is much smaller than that of a meteorite and a crashed satellite. The heat of friction with the air cannot cause combustion.

Airplanes fly big brother in the stratosphere... And it's not a straight line flying big brother... If the plane does not reach the first speed, it will not be able to fly around the earth, and there may be a state of chaos...

Why does the plane have to drain fuel during an emergency landing? Netizen: Isn't it wasted?

Phenomena such as clouds, fog, precipitation, smoke, haze, wind and sand and floating dust can reduce visibility, when the horizontal and inclined visibility of the airport is reduced to below the critical value and causes visual range obstacles, the take-off and landing of the aircraft will be difficult, when the horizontal visibility is less than 1500 meters, in the airport with instrument landing facilities, the runway visual distance should be observed, in the airport with the instrument landing system, although the aircraft can land in low visibility, but at present, the world's largest airports, when the runway sight distance is less than 400 metersWhen the altitude is judged to be less than 30 meters, it is difficult for the aircraft to land.

Aircraft breakdowns, special passenger circumstances, and weather outside the airport can also cause the aircraft to be unable to fly.

The amount of fuel on a flight is usually exactly at the destination (plus some excess emergency fuel), and if it makes an emergency landing, most of the fuel will not be used up. Too much fuel adds weight, causing the aircraft to become more inertial when taxiing and eventually making it impossible for the aircraft to stop at the end of the runway. At the same time, the reason for the emergency landing of the aircraft will also lead to the emission of aircraft fuel, if the aircraft ** or need to be in direct friction contact with the ground (the wheels are not put down) too much fuel will cause or increase combustion.

On April 23, 1967, Soviet cosmonaut Vladimir Komarov's Soyuz-1 spacecraft crashed into the ground at a very high speed due to a parachute failure to open on the way back. The failure lies in ignoring the decimal point when checking on the ground.

This is the story that takes place in England Charles III. Charlie prepares to fight Richmond to the death, Charlie asks a man to nail his horse to the horse, and when the blacksmith gets the fourth palm, he still has two nails left to nail the fourth Da Min Shen palm, so he secretly perfunctory. Soon, Charles and the other party exchanged fire, and suddenly a horseshoe fell during the battle, and the king was lifted to the ground by the warhorse, and Henry captured Charlie.

So there are "two iron nails missing, a horseshoe lost, a horseshoe lost, a war horse lost, a war horse lost, a battle lost, a battle lost, a country lost." ". 1% mistakes led to 100% defeat, and a huge dynasty was ruined.

In the 50s of the 20th century, a country decided to organize a military exercise. As soon as the plane left the ground, it shook violently and then plunged headlong into the runway. With a loud bang, people were greeted by billowing smoke and shattered wreckage.

What caused the plane crash? It turned out to be a button on the pilot's clothes, and at the moment the plane took off, a button on the pilot's clothes fell into the instrument, and the instrument could not operate normally, affecting the operation of other parts, and finally led to the destruction of the plane and the death of people.

1. Weather reasons.

1. It is not enough to fly and cannot take off on time. The simple four words "weather reasons" actually encompass many situations: the weather conditions at the airport of departure are not suitable for take-off; The weather conditions at the destination airport are not suitable for landing; The weather conditions on the flight route are not suitable for flying, etc.

2. Weather conditions at the airport of departure (visibility, low-altitude clouds, thunderstorm area, strong crosswind), weather conditions at the destination airport (visibility, low-altitude clouds, thunderstorm area, strong crosswind), meteorological conditions on the flight route (high-altitude thunderstorm area):

Second, the status of the unit.

Crew condition (crew technical level, analysis and grasp of the current weather and trends to make professional decisions), aircraft condition (the safety standards of the aircraft for meteorological conditions, the failure of some airborne equipment under the premise of safety, resulting in the aircraft is not suitable to fly in the weather conditions).

3. Traffic control.

In this case, the civil aviation has even fewer explanations, because it is not its own reason, and it cannot change the situation, so it can only honestly wait for the notice, and it is useless to be anxious. Civil aircraft in the air are as limited and affected by many factors as cars on the ground, in short, civil aircraft take off, land and fly under limited space, limited time and limited conditions.

Fourth, the follow-up situation.

Subsequent conditions caused by bad weather mostly refer to damage to airport navigation facilities, runways that are not up to standard such as icing, severe water accumulation, etc. Unable to take off normally.

5. Mechanical failure.

The plane is not allowed to take off if it breaks down, and sometimes the aircraft is told that the aircraft has to return or land nearby after take-off, and the fault is repaired: most of the hidden dangers will be dealt with in time in these routine inspections, and all problems that pose a threat to flight safety will be solved after continuing to fly before taking off.

Why can't planes land in foggy weather?

1. It is not possible to land without a runway.

2. It cannot land without taking off.

3. If the runway is crowded with planes, it cannot land (of course, it may be crowded with tanks and the like), 4. Foggy weather.

5. Strong crosswind weather.

6 Heavy rain or something, this is all the outside world.

7. Then there is the possibility that the aircraft may have mechanical problems. To put it simply, it is not possible to land in cases of danger and non-compliance.

Aircraft failures, special conditions of passengers, and weather conditions external to the airport can also cause the aircraft to be unable to fly.

Aircraft: Fixed-wing aircraft or fixed-wing aeroplane, often referred to as aircraft (English: aeroplane), refers to a heavier-than-air aircraft that flies in the atmosphere by generating forward thrust or pull force from the power unit and generating lift force by the fixed wings of the fuselage.

It is one type of fixed-wing aircraft and is also the most common one, and the other type of fixed-wing aircraft is the glider. Aircraft can be divided into jet aircraft and propeller aircraft according to the type of engine they use. On July 30, 1923, China's first double-decker propeller open-cover aircraft was successfully developed by the Guangdong Aircraft Factory.

It is not possible to land in case of rain.

In case of emergency, it is not possible to land.

The reason why the plane comes to take off or land.

The source believes that the most dangerous moment is because:

1. When the aircraft takes off or lands, it flies in the troposphere, and the airflow changes a lot, which is unstable and has a great impact on the aircraft.

2. The power and altitude of the aircraft when the aircraft takes off or lands are limited, and once an accident occurs, the aircraft has little room for correction.

The propeller is not responsible for making the aircraft take off or land, the propeller is responsible for the forward motion of the aircraft, and the wings make the aircraft take off.

When a certain speed is reached, the lift generated by the wings is greater than the weight of the aircraft itself, and the plane takes off.

The vast majority of civil airliners today are jet planes and do not have propellers. Aircraft do not spiral up or down around the airport during take-off and landing. Unless there is no empty runway for the plane to land, the plane has to hover in the air and wait for the runway to vacate.

Because 3 minutes of take-off and 8 minutes of landing are the most dangerous, it is called the black 11 minutes, because the speed of the plane during take-off and landing is slow, and it is easy to cause stalls if it is not well controlled.