The Marine Steam Engine: A Treatise for the Use of Engineering Students and Officers of the Royal Navy |
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Page 17
... loss from brining , or blowing out , from the boilers , as on the fact that by its eliminating the element of danger resulting from deposit of solid non - conducting matter on the heating surfaces , it rendered possible the use of high ...
... loss from brining , or blowing out , from the boilers , as on the fact that by its eliminating the element of danger resulting from deposit of solid non - conducting matter on the heating surfaces , it rendered possible the use of high ...
Page 18
... loss from liquefaction of steam in the cylinders is reduced to a minimum , and the general consensus of opinion and experience points to the following summary of its advantages : — 1. Reduction of the maximum strains on the framing ...
... loss from liquefaction of steam in the cylinders is reduced to a minimum , and the general consensus of opinion and experience points to the following summary of its advantages : — 1. Reduction of the maximum strains on the framing ...
Page 22
... loss from liquefaction . It has therefore been found desirable to extend the compound system , and divide the expansion into three stages , carried out in separate cylinders , so as to reduce the range of temperature in each cylinder ...
... loss from liquefaction . It has therefore been found desirable to extend the compound system , and divide the expansion into three stages , carried out in separate cylinders , so as to reduce the range of temperature in each cylinder ...
Page 33
... loss of heat , and unless proper precautions are taken this loss may become very con- siderable . The surfaces of the boilers , steam - pipes , cylinders , & c . , when the engines are at work , are very much hotter than the external ...
... loss of heat , and unless proper precautions are taken this loss may become very con- siderable . The surfaces of the boilers , steam - pipes , cylinders , & c . , when the engines are at work , are very much hotter than the external ...
Page 46
... loss instead of gain , because heat is ab- stracted from the fire to effect its liberation . This gas is the same as the coal gas generated in retorts and used for lighting purposes , and consists principally of light and heavy ...
... loss instead of gain , because heat is ab- stracted from the fire to effect its liberation . This gas is the same as the coal gas generated in retorts and used for lighting purposes , and consists principally of light and heavy ...
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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.