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tip velocity

См. также в других словарях:

  • pen-tip velocity — noun The velocity of the pen tip, during handwriting …   Wiktionary

  • Tip speed ratio — The tip speed ratio λ (lambda) or TSR for wind turbines is the ratio between the rotational speed of the tip of a blade and the actual velocity of the wind. If the velocity of the tip is exactly the same as the wind speed the tip speed ratio is 1 …   Wikipedia

  • Tip Speed Ratio —   In reference to a wind energy conversion device s blades, the difference between the rotational speed of the tip of the blade and the actual velocity of the wind …   Energy terms

  • tip speed — noun : the velocity of the outer edge of a wheel or the tip of a propeller …   Useful english dictionary

  • Non-rocket spacelaunch — Non rocket space launch (NRS) is a launch into space where some or all needed speed and altitude is provided by non rocket means, rather than simply using conventional chemical rockets from the ground. A number of alternatives to rockets have… …   Wikipedia

  • turbine — /terr bin, buyn/, n. any of various machines having a rotor, usually with vanes or blades, driven by the pressure, momentum, or reactive thrust of a moving fluid, as steam, water, hot gases, or air, either occurring in the form of free jets or as …   Universalium

  • Shaped charge — Sectioned high explosive anti tank round with the inner shaped charge visible …   Wikipedia

  • Tether propulsion — systems are proposals to use long, very strong cables (known as tethers) to change the velocity of spacecraft. The tethers may be used to initiate launch, complete launch, or alter the orbit of a spacecraft. Spaceflight using this form of… …   Wikipedia

  • Space tether — Artist s conception of satellite with a tether Space tethers are cables, usually long and very strong, which can be used for propulsion, stabilization, or maintaining the formation of space systems by determining the trajectory of spacecraft and… …   Wikipedia

  • Froude number — The Froude number is a dimensionless number comparing inertial and gravitational forces. It may be used to quantify the resistance of an object moving through water, and compare objects of different sizes. Named after William Froude, the Froude… …   Wikipedia

  • Terminology in graphonomics — See: graphonomics * Allograph (handwriting) * Connecting stroke * Ligature * movement context in handwriting * Cursive script * Curvature * Curve * Derivative * Direction (handwriting) * Domain (graphonomics) * Downward stroke * Force * Frequency …   Wikipedia

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