critical velocity
a flow through which fish will not swim

Dictionary of ichthyology. 2009.

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  • critical velocity — noun : the greatest velocity with which a fluid can flow through a given conduit without becoming turbulent * * * critical velocity, Physics. the velocity at which the flow of a fluid changes from laminar to turbulent …   Useful english dictionary

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

  • critical velocity — /ˌkrɪtɪkəl vəˈlɒsəti/ (say .kritikuhl vuh losuhtee) noun the velocity at which the flow of a fluid ceases to be streamline and becomes turbulent …   Australian English dictionary

  • lower critical velocity — apatinis kritinis greitis statusas T sritis fizika atitikmenys: angl. lower critical velocity vok. untere kritische Geschwindigkeit, f rus. нижняя критическая скорость, f pranc. vitesse critique inférieure, f …   Fizikos terminų žodynas

  • higher critical velocity — viršutinis kritinis greitis statusas T sritis fizika atitikmenys: angl. higher critical velocity vok. obere kritische Geschwindigkeit, f rus. верхняя критическая скорость, f pranc. vitesse critique supérieure, f …   Fizikos terminų žodynas

  • Critical ionization velocity — experiment onboard space shuttle Discovery (STS 39), releasing a plume of nitrous oxide gas. Full text Critical ionization velocity (CIV, also called Critical velocity, CV) is the relative v …   Wikipedia

  • Critical mass — This article is about nuclear fission reactions. For other uses, see Critical mass (disambiguation). As part of a re creation of a 1945 criticality accident, a plutonium pit is surrounded by blocks of neutron reflective tungsten carbide. The… …   Wikipedia

  • velocity of escape — a velocity that if attained by a moving body (as a rocket) would enable it to escape from the gravitational field of the earth or a celestial body and move outward in space the ability of a celestial body to retain an atmosphere around it depends …   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 Mach number — i. The local Mach number at which airflow at any part of the wing attains a velocity equal to the local speed of sound. ii. The Mach number at which compressibility effects significantly influence the handling characteristics of an aircraft. This …   Aviation dictionary

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