安裝中文字典英文字典辭典工具!
安裝中文字典英文字典辭典工具!
|
- Propulsion - Wikipedia
Propulsion is the generation of force by any combination of pushing or pulling to modify the translational motion of an object, which is typically a rigid body (or an articulated rigid body) but may also concern a fluid [1]
- Beginners Guide to Propulsion - NASA
Propulsion means to push forward or drive an object forward A propulsion system is a machine that produces thrust to push an object forward On airplanes, thrust is usually generated through some application of Newton's third law of action and reaction
- 38 Fundamentals of Propulsion Systems - Embry–Riddle Aeronautical . . .
A propulsion system consists of an engine of some kind that creates power and work and, hence, a force to propel the vehicle forward Air-breathing engines include reciprocating piston engines driving a propeller, turboprops, turbojets, and turbofans
- PROPULSION Definition Meaning - Merriam-Webster
The meaning of PROPULSION is the action or process of propelling How to use propulsion in a sentence
- PROPULSION | English meaning - Cambridge Dictionary
Propulsion obtains the dimensions it requires from hull, determines the ver tical center of gravity for stability, and provides total thrust to resistance
- Introduction to Propulsion Systems - MIT OpenCourseWare
Both air-breathing and rocket engines are covered, at a level which enables rational integration of the propulsive system into an overall vehicle design Mission analysis, fundamental performance relations, and exemplary design solutions are presented
- Propulsion | How Things Fly - Smithsonian Institution
Propulsion is the act of moving or pushing an object forward The word is derived from two Latin words: pro, meaning before or forward, and pellere, meaning to drive A propulsion system is an engine that produces thrust to push an object, such as an airplane or rocket, forward
- What is Propulsion? The definition of Propulsion - Aerospace . . .
Propulsion is the mechanism that generates the force necessary for a spacecraft to move through space In astronautical engineering, propulsion systems are designed to overcome the forces of gravity and inertia that keep a spacecraft in orbit or on a trajectory
|
|
|