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impulse wheel

См. также в других словарях:

  • impulse turbine — n. a kind of turbine having rotor blades so shaped that the force of jets of fluid striking against the blades moves the wheel, without pressure drop occurring across the blades …   English World dictionary

  • Impulse Turbine —   A turbine that is driven by high velocity jets of water or steam from a nozzle directed to vanes or buckets attached to a wheel. (A pelton wheel is an impulse hydroturbine) …   Energy terms

  • impulse pallet — noun : a pallet stone in a roller of a chronometer balance that receives the driving impulse of the teeth of the escape wheel …   Useful english dictionary

  • impulse face — noun : the lifting plane of one of the club teeth of the escape wheel in a lever escapement watch or the surface of the pallet stone which is engaged thereby …   Useful english dictionary

  • Pelton wheel — The Pelton wheel is among the most efficient types of water turbines. It was invented by Lester Allan Pelton (1829 1908) in the 1870s, and is an impulse machine, meaning that it uses the principle of Newton s second law to extract energy from a… …   Wikipedia

  • Water wheel — This article is about the machine for converting energy of flowing or falling water. For paddle wheels used to propel watercraft, see paddle wheel ship. For wheels used solely to lift water, see Noria. For factories or industries driven by water… …   Wikipedia

  • turbine wheel — Turbine Tur bine, n. [L. turbo, inis, that which spins or whirls round, whirl.] 1. A water wheel, commonly horizontal, variously constructed, but usually having a series of curved floats or buckets, against which the water acts by its impulse or… …   The Collaborative International Dictionary of English

  • pelton wheel — ˈpeltən also tən noun Usage: usually capitalized P Etymology: after Lester Allen Pelton died 1908 American engineer who invented it : an impulse turbine or waterwheel consisting of a row of double cup shaped buckets arranged around the rim of a… …   Useful english dictionary

  • Pelton wheel — Pel ton wheel (Mech.) A form of impulse turbine or water wheel, consisting of a row of double cup shaped buckets arranged round the rim of a wheel and actuated by one or more jets of water playing into the cups at high velocity. [Webster 1913… …   The Collaborative International Dictionary of English

  • breast wheel — noun : a waterwheel onto which the water is led at about axle height and which acts partly by impulse and partly by the weight of the descending water in the buckets compare overshot wheel, undershot wheel * * * a waterwheel onto which the… …   Useful english dictionary

  • Driving wheel — Driving Driv ing, a. 1. Having great force of impulse; as, a driving wind or storm. [1913 Webster] 2. Communicating force; impelling; as, a driving shaft. [1913 Webster] {Driving axle}, the axle of a driving wheel, as in a locomotive. {Driving… …   The Collaborative International Dictionary of English

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