- particle velocity
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(колебательная) скорость частицы
Англо-русский словарь терминов металлургии и сварки. 2011.
particle velocity
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Particle velocity — is the velocity v of a particle (real or imagined) in a medium as it transmits a wave. In many cases this is a longitudinal wave of pressure as with sound, but it can also be a transverse wave as with the vibration of a taut string. When applied… … Wikipedia
Particle velocity level — The particle velocity level or the sound velocity level tells the ratio of a sound incidence in comparison to a reference level of 0 dB in a medium, mostly air.It shows the ratio of the particle velocity v 1 and the particle velocity v 0.The… … Wikipedia
particle velocity — noun : the velocity with which the individual particles of a medium move when traversed by a wave compare phase velocity * * * Physics. the velocity of a point in a medium that is undergoing wave motion. Cf. group velocity, phase velocity … Useful english dictionary
particle velocity — Physics. the velocity of a point in a medium that is undergoing wave motion. Cf. group velocity, phase velocity. * * * … Universalium
instantaneous sound particle velocity — akimirkinis garsinis dalelių greitis statusas T sritis Standartizacija ir metrologija apibrėžtis Greitis, kuriuo juda tam tikros medžiagos arba terpės dalelės apie savo pusiausvyros padėtį, kai aplinkoje sklinda garso banga. atitikmenys: angl.… … Penkiakalbis aiškinamasis metrologijos terminų žodynas
sound particle velocity — garsinis dalelių greitis statusas T sritis fizika atitikmenys: angl. sound particle velocity vok. Schallschnelle, f rus. звуковая скорость частиц, f; колебательная скорость частиц, f pranc. vitesse acoustique, f; vitesse d’une particule, f … Fizikos terminų žodynas
Particle swarm optimization — (PSO) is a swarm intelligence based algorithm to find a solution to an optimization problem in a search space, or model and predict social behavior in the presence of objectives.OverviewParticle swarm optimization is a stochastic, population… … Wikipedia
Particle identification — is the process of using information left by a particle passing through a particle detector to identify the type of particle. Particle identification reduces backgrounds and improves measurement resolutions, and is essential to many analyses at… … Wikipedia
Particle displacement — or particle amplitude (represented in mathematics by the lower case Greek letter xi;) is a measurement of distance (in metres) of the movement of a particle in a medium as it transmits a wave. In most cases this is a longitudinal wave of pressure … Wikipedia
Particle acceleration — In a compressible sound transmission medium mainly air air particles get an accelerated motion: the particle acceleration or sound acceleration with the symbol a in metre/second sup2;. In acoustics or physics, acceleration (symbol: a ) is defined … Wikipedia
Particle image velocimetry — (PIV) is an optical method used to measure velocities and related properties in fluids. The fluid is seeded with particles which, for the purposes of PIV, are generally assumed to faithfully follow the flow dynamics. It is the motion of these… … Wikipedia
