Definitions for damping

This page provides all possible meanings and translations of the word damping

Wiktionary

  1. damping(Noun)

    The reduction in the magnitude of oscillations by the dissipation of energy

  2. damping(Noun)

    The stabilization of a physical system by reducing oscillation

Webster Dictionary

  1. Damping

    of Damp

Freebase

  1. Damping

    In physics, damping is an effect that reduces the amplitude of oscillations in an oscillatory system, particularly the harmonic oscillator. This effect is linearly related to the velocity of the oscillations. This restriction leads to a linear differential equation of motion, and a simple analytic solution. In mechanics, damping may be realized using a dashpot. This device uses the viscous drag of a fluid, such as oil, to provide a resistance that is related linearly to velocity. The damping force Fc is expressed as follows: where c is the viscous damping coefficient, given in units of newton seconds per meter or simply kilograms per second. In engineering applications it is often desirable to linearize non-linear drag forces. This may by finding an equivalent work coefficient in the case of harmonic forcing. In non-harmonic cases, restrictions on the speed may lead to accurate linearization. Generally, damped harmonic oscillators satisfy the second-order differential equation: where ω0 is the undamped angular frequency of the oscillator and ζ is a constant called the damping ratio. The value of the damping ratio ζ determines the behavior of the system. A damped harmonic oscillator can be:

The Standard Electrical Dictionary

  1. Damping

    Preventing the indicator of an instrument from oscillating in virtue of its own inertia or elasticity. In a galvanometer it is defined as resistance to quick vibrations of the needle, in consequence of which it is rapidly brought to rest when deflected (Ayrton). In dead-beat galvanometers (see Galvanometer, Dead-Beat,) damping is desirable in order to bring the needle to rest quickly; in ballistic galvanometers (see Galvanometer, Ballistic,) damping is avoided in order to maintain the principle of the instrument. Damping may be mechanical, the frictional resistance of air to an air-vane, or of a liquid to an immersed diaphragm or loosely fitting piston, being employed. A dash-pot, q. v., is an example of the latter. It may be electro-magnetic. A mass of metal near a swinging magnetic needle tends by induced currents to arrest the oscillations thereof, and is used for this purpose in dead-beat galvanometers. This is termed, sometimes, magnetic friction. The essence of damping is to develop resistance to movement in some ratio proportional to velocity, so that no resistance is offered to the indicator slowly taking its true position. (See Galvanometer, Dead-Beat.)

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