The Marine Steam Engine: A Treatise for the Use of Engineering Students and Officers of the Royal Navy |
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Page 5
... gases from the furnaces to the uptakes . The boilers were thus made lighter and more compact , and the working pressures of steam generally were increased to from 10 to 15 lbs . per square inch above the atmosphere . The space and ...
... gases from the furnaces to the uptakes . The boilers were thus made lighter and more compact , and the working pressures of steam generally were increased to from 10 to 15 lbs . per square inch above the atmosphere . The space and ...
Page 31
... gas . Again , if heat be abstracted from water , the temperature is reduced till it reaches 32 ° Fahr . , after which the diminution of heat does not further decrease the temperature , but changes the condition of the water from the ...
... gas . Again , if heat be abstracted from water , the temperature is reduced till it reaches 32 ° Fahr . , after which the diminution of heat does not further decrease the temperature , but changes the condition of the water from the ...
Page 35
... gases and liquids are heated . Conduction , in the true sense of the word , is very slow in liquids , and almost , if not wholly , inappreciable in gases . When heat is applied to the bottom of a vessel con- taining a fluid , the ...
... gases and liquids are heated . Conduction , in the true sense of the word , is very slow in liquids , and almost , if not wholly , inappreciable in gases . When heat is applied to the bottom of a vessel con- taining a fluid , the ...
Page 36
... gas and form eddies , in order to promote circulation and mixture in the respective fluids . In order to render the ... gases on their way to the funnel . For the same reason , the action of a surface condenser is most efficient when ...
... gas and form eddies , in order to promote circulation and mixture in the respective fluids . In order to render the ... gases on their way to the funnel . For the same reason , the action of a surface condenser is most efficient when ...
Page 38
... gas . The term latent heat has been retained for the sake of convenience , but it must be understood as an expression that means neither more nor less than the quantity of heat that must be expended on a body in a given state to change ...
... gas . The term latent heat has been retained for the sake of convenience , but it must be understood as an expression that means neither more nor less than the quantity of heat that must be expended on a body in a given state to change ...
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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.