| 单词 | aerodynamics |
| 释义 | aerodynamics The study of the motion of gases (particularly air) and the motion of solid bodies in air. Aerodynamics is particularly concerned with the motion and stability of aircraft. Another application of aerodynamics is to the flight of birds and insects. The branch of aerodynamics concerned with the flow of gases through compressors, ducts, fans, orifices, etc., is called internal aerodynamics . Aerodynamic drag is the force that opposes the motion of a body moving relative to a gas and is a function of the density of the gas, the square of the relative velocity, the surface area of the body, and a quantity called the drag coefficient , which is a function of the Reynolds number. Aerodynamic lift is an upward force experienced by a body moving through a gas and is a function of the same variables as aerodynamic drag |
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