particle velocity sound

См. также в других словарях:

• 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

• 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

• 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 pressure — Sound measurements Sound pressure p, SPL Particle velocity v, SVL Particle displacement ξ Sound intensity I, SIL Sound power Pac Sound power level SWL Sound energy Sound energy d …   Wikipedia

• Sound velocity — * Sound velocity in conventional use in scientific literature is the same as sound speed.* Sound velocity should not be confused with sound particle velocity, which is the velocity of the individual particles.In a gas the sound particle velocity… …   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

• Sound particle — is a Quantum mechanical description tool for the advancing pressure wave within the medium that creates sound. Sound particles are a private case of the more general phenomenon in quantum mechanics called phononsIn the context of particle… …   Wikipedia

• Sound — This article is about audible acoustic waves. For other uses, see Sound (disambiguation). In a drum sound is produ …   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

• Sound energy density — The sound energy density or sound density (symbol E or w ) is an adequate measure to describe the sound field at a given point as a sound energy value. The letter lower case w sign w is easily mixed with the sign omega (omega), therefore we… …   Wikipedia