The Marine Steam Engine ...Longmans, 1898 - 519 páginas |
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Página 4
... admitted to and exhausted from the cylinders through them . In this type of engine space and weight have been economised as far as is possible for paddle - wheel engines , and the majority of engines now made for paddle - wheel vessels ...
... admitted to and exhausted from the cylinders through them . In this type of engine space and weight have been economised as far as is possible for paddle - wheel engines , and the majority of engines now made for paddle - wheel vessels ...
Página 10
... admitted to a small cylinder and expanding therein , is led to a larger cylinder , where it expands still further prior to exhaust , so that the stresses on the framing and journals are de- creased and the loss from liquefaction of ...
... admitted to a small cylinder and expanding therein , is led to a larger cylinder , where it expands still further prior to exhaust , so that the stresses on the framing and journals are de- creased and the loss from liquefaction of ...
Página 33
... admitted ; so that a minimum of 150,000 to a maximum of 300,000 cubic feet of air might be required for the combustion of the gases alone produced from one ton of bituminous coal , and it may be taken that not less than 200,000 cubic ...
... admitted ; so that a minimum of 150,000 to a maximum of 300,000 cubic feet of air might be required for the combustion of the gases alone produced from one ton of bituminous coal , and it may be taken that not less than 200,000 cubic ...
Página 38
... admitted in a suitable place , and by good stoking . It is difficult to obtain perfect combustion of the gases with a moderate admission of air in any case , as the fires are so close to the tubes that the gases have to be distilled ...
... admitted in a suitable place , and by good stoking . It is difficult to obtain perfect combustion of the gases with a moderate admission of air in any case , as the fires are so close to the tubes that the gases have to be distilled ...
Página 40
... admitted , the elevation of temperature of the products , assuming combustion to be completed before any heat is abstracted , would be 2,400 ° Fahr . This condition is , however , never realised in practice , since the abstraction of ...
... admitted , the elevation of temperature of the products , assuming combustion to be completed before any heat is abstracted , would be 2,400 ° Fahr . This condition is , however , never realised in practice , since the abstraction of ...
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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