of the free air actually compressed. Theoretically, this volume is equal to the area of the piston, multiplied by the length of the stroke. Actually, however, owing to imperfections in workmanship, the air does not begin to compress at the instant the... A Textbook on Mining Engineering - Página 151900Vista completa - Acerca de este libro
| Charles Storer Storrow - 1835 - 274 páginas
...piston and rod. 147. The quantity of water raised by each stroke, after the pump is in full operation, is equal to the area of the piston, multiplied by the length of stroke. This supposes, however, that a perfect vacuum is formed, and that there ¡s no leakage. Generally,... | |
| Thomas F. Bergin - 1843 - 102 páginas
...dimensions of the air pump, as given in the report, page 7, it appears the reporters took for its capacity the area of the piston, multiplied by the length of the stroke; which gives the above quantity, say 14.4 feet, and which is used as its capacity in the calculations... | |
| R. W., Robert Wallace - 1852 - 144 páginas
...engines having a separate condenser. Having found the contents of the cylinder in cubic feet (that is, the area of the piston multiplied by the length of the stroke increased by one-tenth, to allow for the vacuities at top and bottom through which the piston does... | |
| R. W., Robert Wallace - 1852 - 146 páginas
...engines having a separate condenser. Having found the contents of the cylinder in cubic feet (that is, the area of the piston multiplied by the length of the stroke increased by one-tenth, to allow for the vacuities at top and bottom through which the piston does... | |
| Adolphe Ganot - 1872 - 588 páginas
...engine. Horse-power.—The work of an engine is measured by the mean pressure on the piston multiplied by the area of the piston multiplied by the length of the stroke. In England the unit of work is the foot-pound; that is, the work performed in raising a weight of one... | |
| Adolphe Ganot, Edmund Atkinson - 1875 - 614 páginas
...engine. Horse-power.—The work of an engine is measured by the mean pressure on the piston multiplied by the area of the piston multiplied by the length of the stroke. In England the unit of work is the font-pound ; that is, the work performed in raising a weight of... | |
| Adolphe Ganot - 1878 - 656 páginas
...Horse-power.—The work of an engine is measured by the mean pressure on the piston, multiplied by the area of the piston, multiplied by the length of the stroke. In England the unit of work is the foot-pound; that is, the work performed in raising a weight of one... | |
| Adolphe Ganot - 1881 - 658 páginas
...Horse-power.—The work of an engine is measured by the mean pressure on the piston, multiplied by the area of the piston, multiplied by the length of the stroke. In England the unit of work is the foot-pound: that is, the work performed in raising a weight of one... | |
| Adolphe Ganot - 1884 - 686 páginas
...Horse-power.—The work of an engine is measured by the mean pressure on the piston, multiplied by the area of the piston, multiplied by the length of the stroke. In England the unit of work is the foot-pound: that is, the work performed in raising a weight of one... | |
| 1886 - 750 páginas
...cards, one for each end, from which the final results are calculated. The piston displacement, that is, the area of the piston, multiplied by the length of the stroke, both expressed in feet, the clearance, given in terms of the piston displacement, and constant (horsepower... | |
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