A Catechism of the Steam Engine: Illustrative of the Scientific Principles Upon which Its Operation Depends, and the Practical Details of Its Structure, in Its Application to Mines, Mills, Steam Navigation and Railways, with Various Suggestions of ImprovementLongman, Brown, Green, and Longmans, 1850 - 284 sider |
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Side 43
... thickness of the stratum of coal upon the grate should depend upon the intensity of the draft : in ordinary land or marine boilers it should be thin , whereas in locomotive boilers it re- quires to be much thicker . If the stratum of ...
... thickness of the stratum of coal upon the grate should depend upon the intensity of the draft : in ordinary land or marine boilers it should be thin , whereas in locomotive boilers it re- quires to be much thicker . If the stratum of ...
Side 64
... thickness ; but valves of this kind , though they di- minish the noise and tremor , wear rapidly away , and require to be renewed very often . It is very desirable , however , that this impediment should be completely surmounted , not ...
... thickness ; but valves of this kind , though they di- minish the noise and tremor , wear rapidly away , and require to be renewed very often . It is very desirable , however , that this impediment should be completely surmounted , not ...
Side 105
... thickness 7th of the length - the width of the edge bead being about three times the thickness of the web . In low pressure engines the diameter of the end studs of the engine beam are usually made th of the diameter of the cylinder ...
... thickness 7th of the length - the width of the edge bead being about three times the thickness of the web . In low pressure engines the diameter of the end studs of the engine beam are usually made th of the diameter of the cylinder ...
Side 107
... thicker to keep the strength un- impaired . These rules are for the most part applicable only in the case of condensing engines working with steam of a few pounds pressure above the atmosphere , whereas in many modern engines , and ...
... thicker to keep the strength un- impaired . These rules are for the most part applicable only in the case of condensing engines working with steam of a few pounds pressure above the atmosphere , whereas in many modern engines , and ...
Side 109
... thickness of the web of the crank when of malleable iron , supposing the web to be continued to the centre of the shaft . The thickness of the web at the crank pin centre , supposing it to be continued thither , would be 0.022 times the ...
... thickness of the web of the crank when of malleable iron , supposing the web to be continued to the centre of the shaft . The thickness of the web at the crank pin centre , supposing it to be continued thither , would be 0.022 times the ...
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actual horse power air pump attached axle bars bearing blast pipe bolts bottom Boulton and Watt brass cast-iron centre centrifugal force chimney cloth coal cocks condensing engines connecting rod copper crank pin cross head cubic foot cylinder in inches diameter distance divide eccentric rod edge Edition Engravings evaporated expansion expedient Fcap fire box flange float flue Foolscap 8vo frame friction furnace gauge heating surface high pressure engines holes increased Jane Marcet keelson length lever malleable iron marine boilers means metal morocco motion multiplied nominal horse power nominal power oscillating engines packing piston in lbs piston rod plate Post 8vo pound prevent proportion Q.-What Q.-Will quantity quotient resistance ring rivets screw sectional area side side rod speed square inch square root steam pipe steam vessels straight edge strain stroke stuffing box temperature thickness trunnion tubes vacuum velocity vertical vols weight wheel whereby Wood Woodcuts
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