The Marine Steam Engine: A Treatise for the Use of Engineering Students and Officers of the Royal Navy |
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Page 11
... feet per minute . It is probable that in the future of marine engineering the speeds may be increased even beyond this , in order to attain increased economy , and it may become necessary to again introduce . gearing , to reduce the ...
... feet per minute . It is probable that in the future of marine engineering the speeds may be increased even beyond this , in order to attain increased economy , and it may become necessary to again introduce . gearing , to reduce the ...
Page 26
... feet and the force in pounds avoirdupois ; and quantities of work , found by multiply- ing force by distance , are generally said to consist of so many foot - pounds , which are the units of work . Foot - pound . The term ' foot - pound ...
... feet and the force in pounds avoirdupois ; and quantities of work , found by multiply- ing force by distance , are generally said to consist of so many foot - pounds , which are the units of work . Foot - pound . The term ' foot - pound ...
Page 46
... feet of gas ; therefore 100,000 cubic feet of air must actually combine with the gases produced from each ton of coal to effect their com- plete combustion . To insure thorough mingling of the air 46 THE MARINE STEAM - ENGINE .
... feet of gas ; therefore 100,000 cubic feet of air must actually combine with the gases produced from each ton of coal to effect their com- plete combustion . To insure thorough mingling of the air 46 THE MARINE STEAM - ENGINE .
Page 47
... feet . Taking then 80 per cent . of carbon in the coal , we find that about 240,000 cubic feet of air are required theoretically for the combustion of the solid residue of each ton of coal after the gases have been distilled . Doubling ...
... feet . Taking then 80 per cent . of carbon in the coal , we find that about 240,000 cubic feet of air are required theoretically for the combustion of the solid residue of each ton of coal after the gases have been distilled . Doubling ...
Page 48
... feet , which , added to the 200,000 cubic feet required for the gas , make a total of 680,000 cubic feet , which enormous volume of air is necessary for the complete combustion of each ton of coal . These numbers , though clearly ...
... feet , which , added to the 200,000 cubic feet required for the gas , make a total of 680,000 cubic feet , which enormous volume of air is necessary for the complete combustion of each ton of coal . These numbers , though clearly ...
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Common terms and phrases
absolute pressure action air-pump angle arrangement atmosphere back pressure bilge blades brass cause centre coal cocks combustion compound engine connected crank crank-shaft curve diameter draught eccentric efficiency evaporation exhaust expansion valve Fahr feed feed-water feet fitted friction funnel furnaces gases gear gun-metal heating surface high-pressure cylinder hot-well hydrometer increased indicated horse-power indicator diagrams iron jacket Kingston valves latent heat length low-pressure cylinders machinery marine boilers marine engines metal motion necessary ordinary orifice paddle-wheel pass pipes piston plates port pounds per square pressure of steam prevent propeller pumps quantity rates of expansion reduced revolutions per minute Royal Navy safety-valves screw screw-propeller sea-water sensible heat shaft ship shown in Fig side slide slide-valve speed square inch steam pressure steam-pipes steel stokeholds stroke suction suitable superheated superheater surface condensers temperature thermal units total heat triple expansion engines tubes vertical weight
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.