Marine Boiler Management and ConstructionLongmans, Green, and Company, 1901 - 404 páginas |
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Página 3
... reduced there . Un- FIG . 3 covered bars and thin fires are readily discovered on trials by holding an anemometer in each ashpit . On recoaling , the hollows will most likely be more than filled up ; but even if levelled , the ...
... reduced there . Un- FIG . 3 covered bars and thin fires are readily discovered on trials by holding an anemometer in each ashpit . On recoaling , the hollows will most likely be more than filled up ; but even if levelled , the ...
Página 5
... reduced . But even with the most correct proportions the combustion will not be perfect , if for no other reason than that the flame comes in contact with the boiler plates , and gets cooled , before it is burnt out . As regards the ...
... reduced . But even with the most correct proportions the combustion will not be perfect , if for no other reason than that the flame comes in contact with the boiler plates , and gets cooled , before it is burnt out . As regards the ...
Página 6
... reduced , and also in partial vacuums and bad atmospheres , ordinary flames lose their luminosity , while under high pressures they grow smoky , and even the hydrogen and carbonic oxide flames grow luminous . From this it has been ...
... reduced , and also in partial vacuums and bad atmospheres , ordinary flames lose their luminosity , while under high pressures they grow smoky , and even the hydrogen and carbonic oxide flames grow luminous . From this it has been ...
Página 7
... reduced to and even in . It has been argued that by reducing the upper surface of the bars a smaller area is exposed to the heat of the fire , and that such bars will keep cooler ; but a glance under the grate of a furnace is suffi ...
... reduced to and even in . It has been argued that by reducing the upper surface of the bars a smaller area is exposed to the heat of the fire , and that such bars will keep cooler ; but a glance under the grate of a furnace is suffi ...
Página 8
... reducing the thickness of each bar , and fitting more of them , because thereby relatively more cooling surface is ... reduced , and salt water in the furnaces is not a desirable object , as it causes a lot of corrosion . On forced ...
... reducing the thickness of each bar , and fitting more of them , because thereby relatively more cooling surface is ... reduced , and salt water in the furnaces is not a desirable object , as it causes a lot of corrosion . On forced ...
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Términos y frases comunes
acid angle annealing bars bending Board of Trade boiler shell bolts carbon carbonic acid caulking centre circumference circumferential seams cocks combustion chamber compression stress corners corrugated crack Crown 8vo cylindrical D. K. Clark diameter Double nuts drilled edge elastic limit elongation end plates Ends Riveted Stay Engineering Enging experiments factor of safety fire fitted flame flange flat plates fuel funnel gases girder hammer heating surface hydraulic Illustrations iron plates lap joints length Lloyd's Register load longitudinal seams machine material metal percentage pipes pitch placed Plain punched reduced rivet holes rows screwed stays sectional area shearing stress shell plates shown in fig side square foot square inch Stay Ends Nutted Stay Ends Riveted stay tubes steam space steel Strength of Materials superheaters Surveyor temperature tensile strength tension test piece thickness of plate threads tons tube plate washers water spaces water-tube boilers weight welded
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