radiation acoustics

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• Radiation pressure — is the pressure exerted upon any surface exposed to electromagnetic radiation. If absorbed, the pressure is the energy flux density divided by the speed of light. If the radiation is totally reflected, the radiation pressure is doubled.For… …   Wikipedia

• acoustics — /euh kooh stiks/, n. 1. (used with a sing. v.) Physics. the branch of physics that deals with sound and sound waves. 2. (used with a pl. v.) the qualities or characteristics of a room, auditorium, stadium, etc., that determine the audibility or… …   Universalium

• Radiation impedance — In acoustics, radiation impedance is the impedance of any vibrating solid or fluid that radiates sound in the surrounding medium.ee also*Acoustic impedanceRadiation impedance is defined as the ratio of the force exerted by the radiator on the… …   Wikipedia

• acoustics — Synonyms and related words: Newtonian physics, acoustical engineer, acoustician, aerophysics, applied physics, astrophysics, basic conductor physics, biophysics, chemical physics, cryogenics, crystallography, cytophysics, electron physics,… …   Moby Thesaurus

• radiation physics — Synonyms and related words: Newtonian physics, X ray photometry, X ray spectrometry, acoustics, aerophysics, applied physics, astrophysics, atom tagging, basic conductor physics, biophysics, chemical physics, cryogenics, crystallography,… …   Moby Thesaurus

• acoustics — noun the study of the physical properties of sound • Derivationally related forms: ↑acoustic, ↑acoustical, ↑acoustician • Members of this Topic: ↑acoustic radiation pressure, ↑sound wave, ↑acoustic wave, ↑reflect, ↑ …   Useful english dictionary

• acoustic radiation pressure — noun (acoustics) the pressure exerted on a surface normal to the direction of propagation of a sound wave • Topics: ↑acoustics • Hypernyms: ↑radiation pressure, ↑corpuscular radiation pressure * * * noun : a feeble net increase in atmospheric… …   Useful english dictionary

• Sound Amplification by Stimulated Emission of Radiation — A SASER is the acoustic analogue of the laser. It is capable of producing highly coherent, concentrated beams of ultrasound, using methods very similar to those employed in the laser. Though currently only theoretical, the SASER is being… …   Wikipedia

• Evanescent wave — Schematic representation of evanescent waves propagating along a metal dielectric interface. The charge density oscillations, when associated with electromagnetic fields, are called surface plasmon polariton waves. The exponential dependence of… …   Wikipedia

• Creeping wave — According to the principle of diffraction, when a wave front passes an obstruction, it spreads out into the shadowed space. A creeping wave, in electromagnetism or acoustics is the wave that is diffracted around the shadowed surface of a smooth… …   Wikipedia

• Anechoic chamber — An anechoic chamber An anechoic chamber (an echoic meaning non echoing or echo free) is a room designed to stop reflections of either sound or electromagnetic waves. They are also insulated from exterior sources of noise. The combination of both… …   Wikipedia