The Marine Steam Engine ...Longmans, 1898 - 519 páginas |
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Página 4
... furnaces to the chimney . 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 . Abandonment of side - lever ...
... furnaces to the chimney . 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 . Abandonment of side - lever ...
Página 23
... furnace , the crowns and sides of which , intercepting the rays of heat from the burning fuel , become themselves heated , and the heat passes through them to the water in the boiler . A consider- able amount of heat is given off by ...
... furnace , the crowns and sides of which , intercepting the rays of heat from the burning fuel , become themselves heated , and the heat passes through them to the water in the boiler . A consider- able amount of heat is given off by ...
Página 25
... furnace , combustion chamber , and tubes , become heated , and rise and circulate through the mass of water , their places being taken by cooler particles , till at length the whole of the water is raised to the boiling point by the ...
... furnace , combustion chamber , and tubes , become heated , and rise and circulate through the mass of water , their places being taken by cooler particles , till at length the whole of the water is raised to the boiling point by the ...
Página 32
... furnace of a boiler , the main object to be effected is to obtain this heat and utilise it for the genera- tion of ... furnaces on account of the inefficiency of the ordinary arrangements for consuming the gaseous products . When coal is ...
... furnace of a boiler , the main object to be effected is to obtain this heat and utilise it for the genera- tion of ... furnaces on account of the inefficiency of the ordinary arrangements for consuming the gaseous products . When coal is ...
Página 33
... furnace ; and as the oxygen in atmospheric air amounts to only one - fifth of its bulk , between ten and fifteen volumes of air will be required for each volume of gas . Air required for combustion of gases . - One ton of bituminous ...
... furnace ; and as the oxygen in atmospheric air amounts to only one - fifth of its bulk , between ten and fifteen volumes of air will be required for each volume of gas . Air required for combustion of gases . - One ton of bituminous ...
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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Página 144 - I call the steam vessel, must, during the whole time the engine is at work, be kept as hot as the steam that enters it ; first, by enclosing it in a case of wood, or any other materials that transmit heat slowly ; secondly, by surrounding it with steam, or other heated bodies ; and, thirdly, by suffering neither water, nor any other substance colder than the steam, to enter or touch it during that time...
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