The Marine Steam Engine: A Treatise for the Use of Engineering Students and Officers of the Royal Navy |
From inside the book
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Page 8
... lower end , on which one end of the connecting - rod worked , the other end being attached to the crankpin . ( Oscillating engine . - The simplest and most compact type of engine for driving paddle - wheels is that known as the ...
... lower end , on which one end of the connecting - rod worked , the other end being attached to the crankpin . ( Oscillating engine . - The simplest and most compact type of engine for driving paddle - wheels is that known as the ...
Page 46
... lower estimate we see that at least two volumes of oxygen will be required for the complete combustion of each volume of the gas formed in the furnace ; and as the oxygen in atmospheric air amounts to only one - fifth of its bulk , ten ...
... lower estimate we see that at least two volumes of oxygen will be required for the complete combustion of each volume of the gas formed in the furnace ; and as the oxygen in atmospheric air amounts to only one - fifth of its bulk , ten ...
Page 70
... lower face yielded none at all . This was due to the difficulty with which steam separates from vertical surfaces to give place to fresh particles of water , so that a thin film of steam is formed in contact with the plates and acts as ...
... lower face yielded none at all . This was due to the difficulty with which steam separates from vertical surfaces to give place to fresh particles of water , so that a thin film of steam is formed in contact with the plates and acts as ...
Page 71
... lower halves , and also in consequence of the soot , & c . , deposited inside the tubes . The direction of the tubes is necessarily the same as that of the currents of hot gases on their way to the funnel , instead of being normal to it ...
... lower halves , and also in consequence of the soot , & c . , deposited inside the tubes . The direction of the tubes is necessarily the same as that of the currents of hot gases on their way to the funnel , instead of being normal to it ...
Page 85
... lower rows of tubes will be much less efficient than the upper rows , so that the efficiency of the boiler will be decreased . The gases when they leave the furnaces make direct for the funnel through the upper rows of tubes , very ...
... lower rows of tubes will be much less efficient than the upper rows , so that the efficiency of the boiler will be decreased . The gases when they leave the furnaces make direct for the funnel through the upper rows of tubes , very ...
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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.