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Prime mover |
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prime mover: see energy, sources of energy, sources of, origins of the power used for transportation, for heat and light in dwelling and working areas, and for the manufacture of goods of all kinds, among other applications. ..... Click the link for more information. . Prime mover The component of a power plant that transforms energy from the thermal or the pressure form to the mechanical form. Mechanical energy may be in the form of a rotating or a reciprocating shaft, or a jet for thrust or propulsion. The prime mover is frequently called an engine or turbine and is represented by such machines as waterwheels, hydraulic turbines, steam engines, steam turbines, windmills, gas turbines, internal combustion engines, and jet engines. These prime movers operate by either of two principles: (1) balanced expansion, positive displacement, intermittent flow of a working fluid into and out of a piston and cylinder mechanism so that by pressure difference on the opposite sides of the piston, or its equivalent, there is relative motion of the machine parts; or (2) free continuous flow through a nozzle where fluid acceleration in a jet (and vane) mechanism gives relative motion to the machine parts by impulse, reaction, or both. See Gas turbine, Hydraulic turbine, Impulse turbine, Internal combustion engine, Power plant, Reaction turbine, Steam engine, Steam turbine, Turbine How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| The great Zola, or call him the immense Zola, was the prime mover in the attack upon the masters of the Romanticistic school; but he lived to own that he had fought a losing fight, and there are some proofs that he was right. Noel Vanstone, in the most alarming language, that he is destined to become the victim of a conspiracy; and that the prime mover of it is a young lady who has already held written communication with his father and himself. ) `I need not remind this audience that, though Professor Summerlee, as the head of the Committee of Investigation, has been put up to speak to-night, still it is I who am the real prime mover in this business, and that it is mainly to me that any successful result must be ascribed. |
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Prime mover
