航空發(fā)動(dòng)機(jī)專業(yè)英語之空氣動(dòng)力學(xué)-展示頁
2025-01-16 06:52本頁面
【正文】 ? viscosity 黏性，黏度 ? quantity 數(shù)量，數(shù)目 ? gravity 重力 ? velocity 速度 ? acceleration 加速度，促進(jìn)作用 Temperature ? The temperature of the fluid is an important part of how the fluid behavior. Hot oil, for example, flows faster than cold oil. Warm air rises and cold air drops in a room。 a recipe uses 2 cups of flour。CHAPTER 1 Introduction to Aeronautics What is Aeronautics? Aeronautics Versus Aerospace Before there can be a discussion about aeronautics, it must be defined a bit better. Aeronautics is the science of designing an airplane or other flying machine, There are four basic subjects that aeronautical engineers must understand. Aeronautic 航空 Aerospace 航天 Versus 比較，對(duì)抗 Tail 尾翼 Aerodynamic 空氣動(dòng)力學(xué) Spin 旋轉(zhuǎn) Propeller 螺旋槳 Fall apart 分離，分解，崩潰 Aircraft carrier 航空母艦 ? to shape the airplane and its wing and tail so that it slips easily through the air and can lift itself off the ground. This is called aerodynamics. ? 2. How to control the airplane so that it will be able to turn but not spin out of control. This is called stability and control. ? 3. How to build an engine (be it jet or propeller) so that the airplane can push its way through the air. This is called propulsion. ? How to build the airplane so that it won’t fall apart when it hits a gust of wind or slams down on an aircraft carrier. This is called structures. ? Aeronautical engineering should not be confused with aerospace engineering, which deals with things such as rockets and satellites. While rockets must ascend through the atmosphere, they must also navigate through space where there is no air. Their designs and engines have very different requirements than those of airplanes. How Air MovesAerodynamics How Air and other Gases MoveAerodynamics ? Aerodynamics is the study of forces (more pushes and pulls) acting on an object because air or anot
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