AC or DC electric current to generate rotational movement. Electric servomotors are the actuators for mechanical systems ranging from robotic systems to...

resistance and leakage reactance ( R s {\displaystyle R_{s}} , X s {\displaystyle X_{s}} ). Rotor resistance, leakage reactance, and slip ( R r {\displaystyle...

{\displaystyle V_{L}=I_{s}X_{L}} where X L {\displaystyle X_{L}} is the stator reactance. Now the stator current I s {\displaystyle I_{s}} is no longer zero. Since...

Angular momentum (sometimes called moment of momentum or rotational momentum) is the rotational analog of linear momentum. It is an important physical quantity...

momentum Angular acceleration Angular displacement Rotational invariance Rotational inertia Torque Rotational energy Centripetal force Centrifugal force Centrifugal...

reciprocating motion of the piston into rotational motion; whereas in a reciprocating compressor, it converts the rotational motion into reciprocating motion...

the speed of rotation of a wheel using an escapement mechanism. According to Donald Hill, al-Jazari described several early mechanical controls, including...

electrical grid or, once it starts producing power, from a capacitive reactance. The generating mode for induction motors is complicated by the need to...

the rotational speed of the rotor of the driving electric motor. Such oscillations of the angular speed superimposed on the average rotor rotational speed...

"Mémoire sur un cas particulier du mouvement de rotation des corps pesans" [Memoir on a special case of rotational movement of massive bodies], Journal de l'École...

startup winding, creating reactance. This added starter provides assistance in the starting and initial direction of rotation. The start winding is made...

or tuning condenser), or as a variable reactance, e.g. for impedance matching in antenna tuners. In mechanically controlled variable capacitors, the distance...

lower speed with lower torque on AC supply when compared to DC due to reactance voltage drop in AC which is not present in DC. Since the speed is not...

determined by its rotational speed (RPM) and fuel rate, which are regulated by a governor or similar mechanism. The governor is designed to react to both the...

over-speeding (running at a rotational speed in excess of design limits) if the unit is operated with no significant mechanical load. On larger motors, sudden...

to zero by virtue of the inductance reactance (mass of the system) equaling the compliance or stiffness reactance (elasticity of the tubular). The remaining...

common forming methods employed are injection molding and extrusion. Rotational molding and blow molding are also possible.[citation needed] Typical applications...

The grinding balls in the grinding jars are subjected to superimposed rotational movements, the so-called Coriolis forces. The difference in speeds between...

of its molecules is zero. Rotational energy Rotational energy or angular kinetic energy is kinetic energy due to the rotation of an object and is part...

reactions work at the quantum mechanical level. This field also aims to clarify how ions and radicals behave and react in the gas phase and to develop...