 | William John Macquorn Rankine - Mechanics - 1864 - 706 pages
...ii>.,! Prrjndicini i:. .i.ium. are overcome in performing useful work and lost work respectively. 6GO. The Efficiency of a machine is a fraction expressing...bring their efficiency as near to unity as possible. 661. Power nnd Effect; Hone Power. — The power of a machine is the energy exerted, and the effect,... | |
 | William John Macquorn Rankine - Mechanical engineering - 1866 - 624 pages
...sequel. 35. The Efficiency of a machine (AM, 600, 664) has already EFFICIENCY. 39 been defined to be a fraction expressing the ratio of the useful work...bring their efficiency as near to unity as possible. As to useful and lost work, see Article 12. The algebraical expression of the efficiency of a machine... | |
 | William John Macquorn Rankine - Heat engineering - 1870 - 638 pages
...means of the friction of a brake. Brakes will be further described in the sequel. been defined to be a fraction expressing the ratio of the useful work...bring their efficiency as near to unity as possible. As to useful and lost work, see Article 12. The algebraical expression of the efficiency of a machine... | |
 | William John Macquorn Rankine - Mechanical engineering - 1872 - 714 pages
...Ke»i*iMce are overcome in performing useful work and lost work respectively. 660. The i:ni. u u. . of a machine is a fraction expressing the ratio of...bring their efficiency as near to unity as possible. 661. Power nn.l Effect; Hone Power. — The power of a machine is the energy exerted, and the effect,... | |
 | William John Macquorn Rankine, Edward Fisher Bamber - Mechanical engineering - 1873 - 368 pages
...increased by means of the friction of a brake. Brakes will be further described in the sequel. 418. The Efficiency of a machine is a fraction expressing the ratio of the useful work to the whole work, which is equal to the energy expended. The COUNTER-EFFICIENCY is the reciprocal of the efficiency,... | |
 | William John Macquorn Rankine - Mechanical engineering - 1877 - 714 pages
...and Prejudicial Resistance are overcome in performing useful work and lost work respectively. 660. The Efficiency of a machine is a fraction expressing...the energy expended. The limit to the efficiency of ;; machine is unity, denoting the efficiency of a perfect machine IL which no work is lost The object... | |
 | Henry Adams - Mechanical engineering - 1883 - 164 pages
...energy exerted, and the effect the useful work performed, in some interval of time of definite length. The efficiency of a machine is a fraction expressing...ratio of the useful work to the whole work performed or energy expended. This ratio is also called the modulus or coefficient of the machine. The counter-efficiency... | |
 | W. J. M. Rankine - 1883 - 666 pages
...increased by means of the friction of a brake. Brakes will be further described in the sequel. 335. The Efficiency of a machine is a fraction expressing...the ratio of the useful •work to the whole work, which is equal to the energy expended. The COUNTER-EFFICIENCY is the reciprocal of the efficiency,... | |
 | Henry Adams - Mechanical engineering - 1891 - 338 pages
...the useful work performed, in some interval of time of definite length. The efficiency [or mechanical efficiency^ of a machine is a fraction expressing...ratio of the useful work to the whole work performed or energy expended. This ratio is also called the modulus or coefficient of the machine. The counter-efficiency... | |
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The i:ni. u u. . of a machine is a fraction expressing the ratio of the useful work to the whole work performed, which is equal to the energy expended. The limit to the efficiency of a machine is unity, denoting the efficiency of a perfect machine in... 
