The Marine Steam Engine: A Treatise for the Use of Engineering Students and Officers of the Royal Navy |
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Page 8
... carried on trunnion bearings , to allow the necessary oscillation to suit the motion of the crank . The trunnions are hollow , and the steam is admitted to and exhausted from the cylinders through them . In this type of engine , space ...
... carried on trunnion bearings , to allow the necessary oscillation to suit the motion of the crank . The trunnions are hollow , and the steam is admitted to and exhausted from the cylinders through them . In this type of engine , space ...
Page 10
... carried out with the screw ship ' Rattler ' and the paddle - wheel vessel'Alecto , ' and , in 1849 , with the screw ship Niger ' and paddle - wheel vessel Basilisk . ' The results in each case were in favour of the screw propeller , and ...
... carried out with the screw ship ' Rattler ' and the paddle - wheel vessel'Alecto , ' and , in 1849 , with the screw ship Niger ' and paddle - wheel vessel Basilisk . ' The results in each case were in favour of the screw propeller , and ...
Page 14
... carried , one above , the other below , the shaft , to a similar crosshead on the opposite side , as in the ordinary return connecting - rod arrangement . The majority of steamers , both war and mercantile , built during the years 1850 ...
... carried , one above , the other below , the shaft , to a similar crosshead on the opposite side , as in the ordinary return connecting - rod arrangement . The majority of steamers , both war and mercantile , built during the years 1850 ...
Page 18
... carried out in two or more successive cylinders , so that the strains on the framing and journals are decreased and the loss from liquefaction of steam in the cylinders is reduced to a minimum , and the general consensus of opinion and ...
... carried out in two or more successive cylinders , so that the strains on the framing and journals are decreased and the loss from liquefaction of steam in the cylinders is reduced to a minimum , and the general consensus of opinion and ...
Page 19
... carried in the majority of warships has enabled space and weight which would formerly have been required for coals to be devoted to other objects in order to increase their offensive or defensive powers . The compound engines introduced ...
... carried in the majority of warships has enabled space and weight which would formerly have been required for coals to be devoted to other objects in order to increase their offensive or defensive powers . The compound engines introduced ...
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Common terms and phrases
absolute pressure action air-pump angle arrangement atmosphere back pressure bilge blades brass cause centre coal cocks combustion compound engine connected crank crank-shaft curve diameter draught eccentric efficiency evaporation exhaust expansion valve Fahr feed feed-water feet fitted friction funnel furnaces gases gear gun-metal heating surface high-pressure cylinder hot-well hydrometer increased indicated horse-power indicator diagrams iron jacket Kingston valves latent heat length low-pressure cylinders machinery marine boilers marine engines metal motion necessary ordinary orifice paddle-wheel pass pipes piston plates port pounds per square pressure of steam prevent propeller pumps quantity rates of expansion reduced revolutions per minute Royal Navy safety-valves screw screw-propeller sea-water sensible heat shaft ship shown in Fig side slide slide-valve speed square inch steam pressure steam-pipes steel stokeholds stroke suction suitable superheated superheater surface condensers temperature thermal units total heat triple expansion engines tubes vertical weight
Popular passages
Page 32 - ... the quantity of heat necessary to raise the temperature of one pound of water at its maximum density, one degree Fahr., can be made to perform work equal to the raising of 772 Ibs.