The Marine Steam Engine: A Treatise for the Use of Engineering Students and Officers of the Royal Navy |
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Page 9
... important step taken in the progress of marine engineering , for this rendered all subsequent advances possible . Its principal advantages , as compared with the paddle - wheel , are , that it is comparatively little affected by the ...
... important step taken in the progress of marine engineering , for this rendered all subsequent advances possible . Its principal advantages , as compared with the paddle - wheel , are , that it is comparatively little affected by the ...
Page 10
... importance , beyond showing that it was possible with the screw propeller to obtain speeds at least equal to those ... important experiments to be carried out with the screw ship ' Rattler ' and the paddle - wheel vessel'Alecto , ' and ...
... importance , beyond showing that it was possible with the screw propeller to obtain speeds at least equal to those ... important experiments to be carried out with the screw ship ' Rattler ' and the paddle - wheel vessel'Alecto , ' and ...
Page 17
... important step in marine engineering . Its value consisted not so much in the economy effected by the avoidance of the loss from brining , or blowing out , from the boilers , as on the fact that by its eliminating the element of danger ...
... important step in marine engineering . Its value consisted not so much in the economy effected by the avoidance of the loss from brining , or blowing out , from the boilers , as on the fact that by its eliminating the element of danger ...
Page 24
... important feature in the progress made is the great increase in the total engine - power now available for the propulsion of vessels . For example , in H.M.S. ' Terrible , ' which , in 1845 , represented the finest type of steam warship ...
... important feature in the progress made is the great increase in the total engine - power now available for the propulsion of vessels . For example , in H.M.S. ' Terrible , ' which , in 1845 , represented the finest type of steam warship ...
Page 32
... important constant , 772 , expressing the relation between heat and mechanical work , is called Joule's equivalent , and is frequently denoted by the letter J. Thermo - dynamics . - The science of thermo - dynamics consists in the ...
... important constant , 772 , expressing the relation between heat and mechanical work , is called Joule's equivalent , and is frequently denoted by the letter J. Thermo - dynamics . - The science of thermo - dynamics consists in the ...
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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.