A Treatise on the Steam Engine: In Its Application to Mines, Mills, Steam Navigation, and RailwaysLongman, Brown, Green, and Longmans, 1847 - 258 páginas |
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Página 11
... resistance to the piston , and robbing the effective steam of a portion of its heat . These disadvantages , taken singly , are all trivial enough , and indeed the sum of them is of no very serious import ; yet , upon the whole , this ...
... resistance to the piston , and robbing the effective steam of a portion of its heat . These disadvantages , taken singly , are all trivial enough , and indeed the sum of them is of no very serious import ; yet , upon the whole , this ...
Página 29
... resistance which they meet with from that fluid in their descent . Such , then , is the nature of gravity ; and it has been found by numerous very delicate and accurate experiments that the velocities acquired by bodies in descending ...
... resistance which they meet with from that fluid in their descent . Such , then , is the nature of gravity ; and it has been found by numerous very delicate and accurate experiments that the velocities acquired by bodies in descending ...
Página 33
... resistance of the air not being considered . The lengths of pendulums vibrating in the same time in different positions of the earth's surface are as the forces of gravity in those positions . The times wherein pendulums of the same ...
... resistance of the air not being considered . The lengths of pendulums vibrating in the same time in different positions of the earth's surface are as the forces of gravity in those positions . The times wherein pendulums of the same ...
Página 82
... resistance encountered by the train on the rails . It may , therefore , be demonstrated , on Mr. Parkes's momentum principle , that the power expended in driving a train at ten miles an hour up an inclined plane , is precisely the same ...
... resistance encountered by the train on the rails . It may , therefore , be demonstrated , on Mr. Parkes's momentum principle , that the power expended in driving a train at ten miles an hour up an inclined plane , is precisely the same ...
Página 92
... resistance opposed to the piston , by the exhausting steam not getting away to the condenser with sufficient rapidity . Hence we see the necessity of the cover on the exhausting side being always less than the cover on the steam side ...
... resistance opposed to the piston , by the exhausting steam not getting away to the condenser with sufficient rapidity . Hence we see the necessity of the cover on the exhausting side being always less than the cover on the steam side ...
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air-pump applied atmosphere axis axle bars beam blast pipe body boiler bolts bottom Boulton Boulton and Watt brass breadth cast iron centre chimney coal cock column condenser connecting rod Cornish crank crank pin cross-head cubic foot cylinder in inches depth diameter of cylinder dimensions distance eccentric rod eduction elastic force equal expansion experiments fire fire-box flue fly-wheel furnace gibs and cutter given gravity heating surface horse power inch=1 foot inches of mercury length of stroke lever locomotive engine means mechanical effect Messrs moving Multiply paddle parallel motion piston rod plate port practice pressure proportion pump quantity radius revolution revolutions per minute revolving ring rule screw Section shaft side side rod smoke space spindle square inch steam engine steam pipe steam vessels STEAMER stroke suppose temperature thickness tubes vacuum velocity Watt weight wheel