The Marine Steam Engine ...Longmans, 1898 - 519 páginas |
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Página 25
... 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 convection of heat ...
... 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 convection of heat ...
Página 34
... chamber should never be fired at the same time , but at intervals of four or five minutes . Total quantity of air required . - The quantity of air necessary for the combustion of the carbonaceous portions of a ton of coal can be ...
... chamber should never be fired at the same time , but at intervals of four or five minutes . Total quantity of air required . - The quantity of air necessary for the combustion of the carbonaceous portions of a ton of coal can be ...
Página 35
... chamber the gases are combined , and consequently allowance has to be made for their ex- pansion ; the space above ... chambers of the tank boilers even at the expense of the loss of a certain amount of tube heating surface , and this is ...
... chamber the gases are combined , and consequently allowance has to be made for their ex- pansion ; the space above ... chambers of the tank boilers even at the expense of the loss of a certain amount of tube heating surface , and this is ...
Página 36
... chamber . By firing the furnaces alternately , the gas given off has the whole volume of the common combustion chamber of the furnaces in which to expand , as well as the heat from the adjacent furnaces to prevent the gases from falling ...
... chamber . By firing the furnaces alternately , the gas given off has the whole volume of the common combustion chamber of the furnaces in which to expand , as well as the heat from the adjacent furnaces to prevent the gases from falling ...
Página 38
... ignition . It should not be admitted in volumes but in small jets , and this is done by causing the air to pass through perforated plates into the fur- naces or combustion chamber , where it mixes with the 38 THE MARINE STEAM - ENGINE.
... ignition . It should not be admitted in volumes but in small jets , and this is done by causing the air to pass through perforated plates into the fur- naces or combustion chamber , where it mixes with the 38 THE MARINE STEAM - ENGINE.
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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