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 23
... supplied by Rowan and Horton's patent high - pressure water - tube boilers . These engines gave good economical results , but the boilers unfortunately gave trouble , and were ultimately taken out . Very little further was done in this ...
... supplied by Rowan and Horton's patent high - pressure water - tube boilers . These engines gave good economical results , but the boilers unfortunately gave trouble , and were ultimately taken out . Very little further was done in this ...
Page 43
... supplied , the pressure being kept constant , we should have increase of both temperature and volume . If in Stage 3 the vessel be closed so that the volume . remains constant while additional heat is supplied , the pressure will ...
... supplied , the pressure being kept constant , we should have increase of both temperature and volume . If in Stage 3 the vessel be closed so that the volume . remains constant while additional heat is supplied , the pressure will ...
Page 48
... supplied to the furnaces of steam boilers when at work , are perhaps diffi- cult to remember , so we will give the relative weights of coal and of the air required for its combustion which may be more readily borne in mind . The ...
... supplied to the furnaces of steam boilers when at work , are perhaps diffi- cult to remember , so we will give the relative weights of coal and of the air required for its combustion which may be more readily borne in mind . The ...
Page 49
... supplied to it , and not on the space it occupies , the area of the fire - grate will depend on the draught employed . In locomotive and other boilers with forced draught the rate of combustion is often as high as from 70 to 80 pounds ...
... supplied to it , and not on the space it occupies , the area of the fire - grate will depend on the draught employed . In locomotive and other boilers with forced draught the rate of combustion is often as high as from 70 to 80 pounds ...
Page 59
... supplied with a sufficient quantity of air , is about 2,400 ° Fahr . above that of the external air ; and as the temperature of the gas in the chimney to produce the maximum draught is about 600 ° Fahr . , it would appear that it is ...
... supplied with a sufficient quantity of air , is about 2,400 ° Fahr . above that of the external air ; and as the temperature of the gas in the chimney to produce the maximum draught is about 600 ° Fahr . , it would appear that it is ...
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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.