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a twisting or oscillation of a moving ship or aircraft around a vertical axis.

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a turbine having a large vaned wheel rotated by the wind to generate electricity

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Thrust is a reaction force described quantitatively by Newton's third law. When a system expels or accelerates mass in one direction, the accelerated mass will cause a force of equal magnitude but opposite direction on that system

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an artificial body placed in orbit around the earth or moon or another planet in order to collect information or for communication.

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a flat piece hinged vertically near the stern of a boat or ship for steering

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consists of a source of mechanical power, and a propulsor

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a mechanical device for propelling a boat or aircraft, consisting of a revolving shaft with two or more broad, angled blades attached to it.

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the quality of a sound governed by the rate of vibrations producing it; the degree of highness or lowness of a tone

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raise to a higher position or level

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Gas-turbine engine, any internal-combustion engine employing a gas as the working fluid used to turn a turbine

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a piece of something thin, such as cloth, paper, or metal, hinged or attached only on one side, that covers an opening or hangs down from something.

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a platform or compartment housed in a shaft for raising and lowering people or things to different floors or levels

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force exerted by a fluid stream on any obstacle in its path or felt by an object moving through a fluid

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angle between two intersecting planes

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higher velocity produces a lower pressure, so the low pressure over the upper surface of the aerofoil produces the lift. ... It also neglects the bottom surface of the wing, suggesting that enough lift will be produced regardless of the shape of the lower section

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Astronautics is the theory and practice of travel beyond Earth's atmosphere

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the angle which an incident line or ray makes with a perpendicular to the surface at the point of incidence.

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the angle between the chord of an airfoil and the direction of the surrounding undisturbed flow of gas or liquid.

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a hinged surface in the trailing edge of an airplane wing, used to control lateral balance.

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Aerospace engineering is the primary field of engineering concerned with the development of aircraft and spacecraft

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Aeronautics is the science or art involved with the study, design, and manufacturing of air flight capable machines, and the techniques of operating aircraft and rockets within the atmosphere

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study of motion in air

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The power system is a network which consists of generation, distribution and transmission system

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the ability to do something or act in a particular way, especially as a faculty or quality

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the energy possessed by a body by virtue of its position relative to others, stresses within itself, electric charge, and other factors

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systems that use gas or pressurized air to move cylinders, motors or other mechanical parts

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Pascal's law is a principle in fluid mechanics given by Blaise Pascal that states that a pressure change at any point in a confined incompressible fluid is transmitted throughout the fluid such that the same change occurs everywhere

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Mechanical engineering is the discipline that applies engineering physics, engineering mathematics, and materials science principles to design, analyze, manufacture, and maintain mechanical systems

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sum of kinetic and potential energy in an object that is used to do work

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the ratio of the force produced by a machine to the force applied to it, used in assessing the performance of a machine

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movement of an object from one place to another in a straight or mostly straight line

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a rigid bar resting on a pivot, used to help move a heavy or firmly fixed load with one end when pressure is applied to the other

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energy which a body possesses by virtue of being in motion

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unit of power equal to 550 foot-pounds per second

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drive technology where a fluid is used to move the energy from e.g. an electric motor to an actuator

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ratio of the number of turns the output shaft makes when the input shaft turns once

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Friction is the force resisting the relative motion of solid surfaces, fluid layers, and material elements sliding against each other

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strength or energy from movement or action

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machine element that constrains relative movement to the desired motion and reduces friction between moving parts

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a machine that moves and controls a system.