飞机上的冷知识
Pla不说不知道 有关飞机的冷知识
ying with Planes: Some Cool Facts About Airplanes Flying on a plane is one of the most common modes of transportation these days. With millions of flights taking off and landing every day, it is easy to take for granted the impressive engineering and technology that is involved in making air travel safe and efficient. In this article, we will explore some fascinating little-known facts about airplanes that will make you appreciate this miracle of modern transportation.
1. Wings are curved on top for a reason! The shape of airplane wings is not just for aesthetic purposes. The curved shape of the wing creates an area of lower air pressure above the wing and higher air pressure beneath it, allowing the plane to lift off the ground and stay in the air. This is known as the Bernoulli's Principle.
2. The seats have to be flame-resistant. Did you know that airplane seats have to be made of fire-resistant materials? In case of a fire emergency, the flame-resistant material helps prevent the fire from spreading throughout the cabin.
3. The black box is actually orange in color. Contrary to its name, the flight recorder, or "black box", is not black. It is actually painted bright orange to help make it easier to find in the event of a crash.
4. Planes can fly upside down! While it is not recommended or safe for commercial planes to fly upside down, it is possible. Some planes, such as military fighter jets, are specifically designed to be able to fly upside down.
5. Planes are pressurized for your comfort. At high altitudes, the air pressure is much lower than at sea level, which can cause discomfort or even harm to passengers. This is why planes are pressurized to simulate the pressure at lower altitudes and make the flight more comfortable.
6. Planes are designed to handle lightning strikes. Airplanes are designed to safely withstand and deflect lightning strikes. The body of the plane is made of metal, which is a good conductor of electricity. When lightning strikes the plane, the electricity is channeled through the metal and directed away from the passengers and cockpit.
7. Turbulence is normal! Turbulence is a natural and common occurrence during flights. It is caused by changes in air pressure and temperature, and is similar to driving through bumps in the road. Pilots are trained to handle turbulence and ensure the safety of passengers. These are just a few of the many fascinating facts about airplanes. The next time you're flying, take a moment to appreciate the incredible technology and engineering that makes it all possible. Happy flying!
关于飞机你一定好奇的11个冷知识