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critical vibration

См. также в других словарях:

  • critical vibration — Vibration which is noticeable and harmful to structure …   Dictionary of automotive terms

  • Vibration powered generator — Vibration powered generators are mechanisms for converting kinetic energy derived from ambient vibration to electrical energy. (See Transducer)Magnets wobbling on a cantilever are sensitive to even small vibrations and generate microcurrents by… …   Wikipedia

  • critical speed — critical speed, 1. Aeronautics. any speed at which the performance of an aircraft will change or come to an end. 2. any speed at which a craft or vehicle shows signs of disorder (as vibration or unsteadiness): »We…find that in any flexible ship… …   Useful english dictionary

  • Vibration — For the soul music group, see The Vibrations. For the machining context, see Machining vibrations. For the albums, see Vibrations (Roy Ayers album) and Vibrations (The Three Sounds album). Classical mechanics …   Wikipedia

  • Critical bands — The term critical band, introduced by Harvey Fletcher in the 1940s, referred to the frequency bandwidth of the then loosely defined auditory filter. Since Georg von Békésy’s studies (1960), the term also refers literally to the specific area on… …   Wikipedia

  • Critical band — The term critical band, introduced by Harvey Fletcher in the 1940s, referred to the frequency bandwidth of the then loosely defined auditory filter. Psychophysiologically, beating and auditory roughness sensations can be linked to the inability… …   Wikipedia

  • Critical speed — In solid mechanics, in the field of rotordynamics, the critical speed is the theoretical angular velocity which excites the natural frequency of a rotating object, such as a shaft, propeller, leadscrew, or gear. As the speed of rotation… …   Wikipedia

  • critical speed — A speed or range of speeds which a ship cannot sustain due to vibration or other similar phenomena …   Military dictionary

  • critical damping — 1) the minimum amount of viscous damping required in a linear system to prevent the displacement of the system from passing the equilibrium position upon returning from an initial displacement. 2) the minimum damping that results in non periodic… …   Mechanics glossary

  • critical speed — The top speed of an engine or shaft at which unwanted vibration begins …   Dictionary of automotive terms

  • Treadmill with Vibration Isolation Stabilization — Astronaut Sunita Suni Williams bungeed to the TVIS treadmill aboard the International Space Station. The Treadmill with Vibration Isolation Stabilization System, commonly abbreviated as TVIS, is a treadmill for use on board the International… …   Wikipedia

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