critical speed

critical speed
A speed or range of speeds which a ship cannot sustain due to vibration or other similar phenomena.

Military dictionary. 2000.

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  • 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

  • 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 — i. The speed on the takeoff run at which, should one engine fail, the pilot can decide whether to abandon or continue takeoff. Below this speed, the pilot must abort takeoff. Critical speed is denoted V1 . ii. A rotational speed at which the… …   Aviation dictionary

  • critical speed — kritinis greitis statusas T sritis automatika atitikmenys: angl. critical speed vok. kritische Geschwindigkeit, f rus. критическая скорость, f pranc. vitesse critique …   Automatikos terminų žodynas

  • critical speed — kritinis greitis statusas T sritis Energetika apibrėžtis Dujų tekėjimo greitis, lygus vietinei garso greičio vertei tam tikrame dujų srauto pjūvyje. Idealiųjų dujų kritinis greitis priklauso nuo stabdymo temperatūros ir adiabatės rodiklio.… …   Aiškinamasis šiluminės ir branduolinės technikos terminų žodynas

  • critical speed — kritinis greitis statusas T sritis Gynyba apibrėžtis Greitis ar greičių diapazonas, kurio laivas negali ilgai išlaikyti dėl vibracijos ar kitų panašių priežasčių. atitikmenys: angl. critical speed pranc. allure vibratoire ryšiai: dar žiūrėk –… …   NATO terminų aiškinamasis žodynas

  • critical speed of rotation — kritinis sukimosi greitis statusas T sritis automatika atitikmenys: angl. critical speed of rotation; critical whirling speed vok. biegekritische Drehzahl, f rus. критическая скорость вращения, f pranc. vitesse critique de rotation, f …   Automatikos terminų žodynas

  • critical speed — dangerous speed; decisive speed …   English contemporary dictionary

  • critical speed — that forward speed for an oversteer vehicle at which the steering sensitivityat zero lateral acceleration trim is infinite …   Mechanics glossary

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

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