The Marine Steam Engine ...Longmans, 1898 - 519 páginas |
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Página 24
... plates and flues the resistance offered to heat entering and leaving the surfaces of the plates is in general so much greater than the resistance offered to its passage through the body of the plate , that the nature and thickness of the ...
... plates and flues the resistance offered to heat entering and leaving the surfaces of the plates is in general so much greater than the resistance offered to its passage through the body of the plate , that the nature and thickness of the ...
Página 25
... plates should be so arranged that the general motion given to the water should be as far as possible in the opposite direction to that of the hot gases on their way to the funnel . For the same reason , the action of a surface condenser ...
... plates should be so arranged that the general motion given to the water should be as far as possible in the opposite direction to that of the hot gases on their way to the funnel . For the same reason , the action of a surface condenser ...
Página 35
... combustion chambers of large single - ended tank boilers were often not more than 15 to 18 inches deep from the backs of the chambers to the tube - plates , but D 2 COMBUSTION AND ECONOMY OF FUEL - BOILER EFFICIENCY 35.
... combustion chambers of large single - ended tank boilers were often not more than 15 to 18 inches deep from the backs of the chambers to the tube - plates , but D 2 COMBUSTION AND ECONOMY OF FUEL - BOILER EFFICIENCY 35.
Página 36
... plates , but in the later examples they are seldom less than from 22 to 30 inches deep , and in many cases even larger . One method of construction that has the practical effect of increasing this size is to lead the furnaces into a ...
... plates , but in the later examples they are seldom less than from 22 to 30 inches deep , and in many cases even larger . One method of construction that has the practical effect of increasing this size is to lead the furnaces into a ...
Página 38
... . 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.
... . 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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