The Marine Steam Engine ...Longmans, 1898 - 519 páginas |
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Página 25
... funnel . For the same reason , the action of a surface condenser is most efficient when the cold water , for condensing the steam , enters the condenser at the end at which the condensed water leaves it , so that the entering steam will ...
... funnel . For the same reason , the action of a surface condenser is most efficient when the cold water , for condensing the steam , enters the condenser at the end at which the condensed water leaves it , so that the entering steam will ...
Página 35
... funnel , the rate is generally not more than from 20 to 25 lbs . per square foot of grate per hour . It is essential for economy that the length of grate should be kept within such limits that it may be kept well and uniformly covered ...
... funnel , the rate is generally not more than from 20 to 25 lbs . per square foot of grate per hour . It is essential for economy that the length of grate should be kept within such limits that it may be kept well and uniformly covered ...
Página 38
... funnel . 4. Waste by external radiation and conduction . The waste of unburnt fuel in the solid state generally arises from brittleness in the fuel , and considerable air spaces between the fire- bars ; the coal breaking into small ...
... funnel . 4. Waste by external radiation and conduction . The waste of unburnt fuel in the solid state generally arises from brittleness in the fuel , and considerable air spaces between the fire- bars ; the coal breaking into small ...
Página 39
... funnel - Funnel draught . - The third and principal cause of waste of heat is that due to the hot gases passing up the funnel . We will consider first the subject of draught . The draught of boilers with funnel only , is produced by the ...
... funnel - Funnel draught . - The third and principal cause of waste of heat is that due to the hot gases passing up the funnel . We will consider first the subject of draught . The draught of boilers with funnel only , is produced by the ...
Página 40
... funnel draught only . With funnel draught only if the funnel is large enough in area to give sufficient draught with a less funnel temperature than 600 ° Fahr . , the temperature can be reduced economically below this point by ...
... funnel draught only . With funnel draught only if the funnel is large enough in area to give sufficient draught with a less funnel temperature than 600 ° Fahr . , the temperature can be reduced economically below this point by ...
Términos y frases comunes
action air-pump amount angle arrangement auxiliary Belleville boiler bilge blades boilers bolts bottom cause cent centre coal cock combustion chamber compound engines compression condenser connected considerable crank crank-shaft Crown 8vo curve diameter draught eccentric efficiency evaporation exhaust expansion engines Fahr feed-water fire fitted friction funnel furnace gases gauge gear gunmetal heating surface high-pressure cylinder holes horizontal hydrometer Illustrations increased indicator diagram jacket length lever low-pressure cylinder main engines manganese bronze mean effective pressure motion necessary obtained ordinary orifice paddle-wheel piston plates ports position practice prevent propeller pump quantity rate of expansion reduced revolutions per minute riveted Royal Navy screw sea-water shaft ship shown in Fig side slide-valve space speed square inch steam pipes steam pressure steel stokehold stroke suction sufficient surface condensers temperature triple expansion engines tubes vertical vessels volume water-tube boilers weight zinc
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