The Marine Steam Engine: A Treatise for the Use of Engineering Students and Officers of the Royal Navy |
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Page 5
... furnaces to the uptakes . 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 . The space and weight occupied by ...
... furnaces to the uptakes . 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 . The space and weight occupied by ...
Page 27
... furnaces is communicated to the water in the boiler , the remainder being wasted in various ways . The fraction of the total heat evolved by the combustion of the coal , that is transmitted to the water in the boiler , is in ordinary ...
... furnaces is communicated to the water in the boiler , the remainder being wasted in various ways . The fraction of the total heat evolved by the combustion of the coal , that is transmitted to the water in the boiler , is in ordinary ...
Page 33
... 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 . The amount of heat given off by radiation from ...
... 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 . The amount of heat given off by radiation from ...
Page 34
... furnace - plates apparently receiving a slightly thicker coating of scale than thin ones , when worked under similar conditions ; which would tend to show that the ebullition was less on the thicker plates , and consequently that their ...
... furnace - plates apparently receiving a slightly thicker coating of scale than thin ones , when worked under similar conditions ; which would tend to show that the ebullition was less on the thicker plates , and consequently that their ...
Page 45
... the most difficult to burn economi- cally in ordinary furnaces on account of the inefficiency of the ordinary arrangements for consuming the gaseous products . When PART II THE BOILER COMBUSTION OF COAL AND ECONOMY OF FUEL.
... the most difficult to burn economi- cally in ordinary furnaces on account of the inefficiency of the ordinary arrangements for consuming the gaseous products . When PART II THE BOILER COMBUSTION OF COAL AND ECONOMY OF FUEL.
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Common terms and phrases
action air-pump angle arrangement atmosphere auxiliary back pressure bilge blades brass cause centre coal cock combustion compound engine connected crank crank-shaft curve diameter draught eccentric efficiency equal evaporation exhaust expansion engines Fahr feed feed-water feet fitted floats friction funnel furnaces gases gear gun-metal heating surface high-pressure cylinder hot-well hydrometer increased indicated horse-power indicator diagrams iron jacket Kingston valve latent heat length low-pressure cylinders marine boilers marine engines mean effective pressure metal motion necessary ordinary paddle-wheel pass pipes piston pitch plates port position pounds per square prevent propeller pump quantity rates of expansion reduced represent resistance revolutions per minute Royal Navy safety-valves screw screw-propeller sensible heat shaft ship shown in Fig side slide-valve speed square inch steam pressure steam-pipes steel stokeholds stroke suitable superheated superheater surface condensers temperature thermal units total heat triple expansion engines tubes vertical weight wheel
Popular passages
Page 32 - ... the quantity of heat necessary to raise the temperature of one pound of water at its maximum density, one degree Fahr., can be made to perform work equal to the raising of 772 Ibs.