A Catechism of the Steam Engine: Illustrative of the Scientific Principles Upon which Its Operation Depends, and the Practical Details of Its Structure, in Its Application to Mines, Mills, Steam Navigation and Railways, with Various Suggestions of ImprovementLongman, Brown, Green, and Longmans, 1850 - 284 sider |
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Side 2
... square inch ? A. Because it is not the vacuum which exerts this pressure , but the atmosphere , which , like a head of water , presses on every thing immerged beneath it . A head of water , however , would not press down a piston , if ...
... square inch ? A. Because it is not the vacuum which exerts this pressure , but the atmosphere , which , like a head of water , presses on every thing immerged beneath it . A head of water , however , would not press down a piston , if ...
Side 6
... inch square , and of the atmospheric density , would require to be , to weigh 15lbs . The height would be 27,818 feet . 13. Q. - And what velocity would the fall of a body from such a height produce ? A. About 1,338 feet per second ...
... inch square , and of the atmospheric density , would require to be , to weigh 15lbs . The height would be 27,818 feet . 13. Q. - And what velocity would the fall of a body from such a height produce ? A. About 1,338 feet per second ...
Side 22
... square inch multiplied by the number of square inches in the area of the cylinder , and by the number of feet travelled through by the piston per minute , gives the amount of impelling force . From this a trifling deduction —about a ...
... square inch multiplied by the number of square inches in the area of the cylinder , and by the number of feet travelled through by the piston per minute , gives the amount of impelling force . From this a trifling deduction —about a ...
Side 27
... square inch . 54. Q. - But in high pressure engines , is there any benefit arising from the use of a very high pressure over a pressure of a moderate account ? A. Yes , there is an advantage ; for , in all high pressure engines , there ...
... square inch . 54. Q. - But in high pressure engines , is there any benefit arising from the use of a very high pressure over a pressure of a moderate account ? A. Yes , there is an advantage ; for , in all high pressure engines , there ...
Side 29
... square inch , as in the case of locomotives , the efficiency of a given quantity of water raised into steam may be considered to be about the same as in condensing engines ? A. Yes , there will not be much difference in THE STEAM ENGINE ...
... square inch , as in the case of locomotives , the efficiency of a given quantity of water raised into steam may be considered to be about the same as in condensing engines ? A. Yes , there will not be much difference in THE STEAM ENGINE ...
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actual horse power air pump attached axle bars bearing blast pipe bolts bottom Boulton and Watt brass cast-iron centre centrifugal force chimney cloth coal cocks condensing engines connecting rod copper crank pin cross head cubic foot cylinder in inches diameter distance divide eccentric rod edge Edition Engravings evaporated expansion expedient Fcap fire box flange float flue Foolscap 8vo frame friction furnace gauge heating surface high pressure engines holes increased Jane Marcet keelson length lever malleable iron marine boilers means metal morocco motion multiplied nominal horse power nominal power oscillating engines packing piston in lbs piston rod plate Post 8vo pound prevent proportion Q.-What Q.-Will quantity quotient resistance ring rivets screw sectional area side side rod speed square inch square root steam pipe steam vessels straight edge strain stroke stuffing box temperature thickness trunnion tubes vacuum velocity vertical vols weight wheel whereby Wood Woodcuts
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