* This is a translation. There may be misinterpretations.
Have you ever been trembling when you see a rocket running towards the universe with a free-flying plane, a strong flame?
It seems to us that there is an endless desire to fly in the sky to us who live on the earth and look at the sky.
From the Wright brothers who succeeded in flight for the first time to the Yironma Musk of Space X, humans always dream of reaching the sky.
Aerospace engineering is a tool to realize that dream.
In addition, our lives are closely linked to aerospace engineering, from satellites that enable us to receive news from the other side of the world at any time, and to our everyday lives and drones.
Aerospace engineering is a discipline for designing, manufacturing and testing such flying machines.
Most aircraft are very wide, high, large, and fast, so they are exposed to far more extreme environments than machines on the ground.
Simply put, we have to put huge, heavy gas over the sky, fly at high speed, and endure the high temperature and high pressure environment that has been going on.
Also, in this situation, it should be possible to exchange information with the ground by telecommunication.
Therefore, the purpose is to design and manufacture the system so that you can perform the desired tasks under these conditions.
Aerospace engineering is not a new discipline itself, but rather a technological science in which various fields are applied in a complex manner, centered on mechanical engineering.
Because the flight itself is a machine.
For this reason, many schools have mechanical engineering and aerospace engineering as undergraduate departments, such as the Department of Mechanical and Aerospace Engineering at Seoul National University and the Department of Aerospace and Mechanical Engineering at Aviation University.
In the lower grades, basic knowledge such as 4 major mechanics is dealt with, and then, it is divided into mechanical engineering and aerospace engineering, and deep research is done.
Aerospace engineering is generally divided into aerodynamics, structure dynamics, propulsion engineering, and control engineering.
Aerodynamics is a study of the flow of air around a vehicle. It belongs to fluid mechanics, one of the four dynamics of mechanical engineering.
Structural mechanics is a field of studying how structures that form a body can withstand various loads. It covers various aerodynamic forces (aerodynamics), vibration, and materials. That is to say, to make the skeleton of the flight body.
Propulsion engineering is dealing with a propulsion system that actually moves the aircraft. We develop jet engines and rocket engines, which are the heart of aircraft. So, we deal with thermodynamics, fluid mechanics, and chemical engineering to deal with combustion and chemical reactions in mechanical engineering.
Control engineering is about control of aircraft. The goal is to study how to control the flight while maintaining a constant posture even when you are subjected to various forces. Control systems are not only mechanical engineering but also electric, electronic and communication technologies. It is said to be responsible for the head of the flight, as is well known in the language of guidance and navigation and control.
Because aircraft and spacecraft are huge systems of complex systems intertwined, it takes a lot of time and money to develop and operate them. In recent years, along with the above traditional research, there has been a lot of integration with system engineering (system engineering). How to minimize losses during development and optimize operations.
