Marine Boiler Management and Construction: Being a Treatise on Boiler Troubles and Repairs, Corrosion, Fuels and Heat on the Properties of Iron and Steel, on Boiler Mechanics, Workshop Practices and Boiler DesignLongmans, 1901 - 404 páginas |
Dentro del libro
Resultados 1-5 de 75
Página 8
... of fire bars at their centres . 7 stands for length of fire bars . C1 , C2 , C3 are constants . Q is consumption of coal per square foot per hour . Qis Values of the Products n.t.d. ( This is the smallest 8 BOILER MANAGEMENT.
... of fire bars at their centres . 7 stands for length of fire bars . C1 , C2 , C3 are constants . Q is consumption of coal per square foot per hour . Qis Values of the Products n.t.d. ( This is the smallest 8 BOILER MANAGEMENT.
Página 9
... centres , then the sectional areas below and above these lines are 3 sq . ft . in the one furnace and 6.3 sq . ft . in the other . With five bars which are 3 ins . deep , the ashpit areas are reduced to 2 : 3 and 5 · 3 sq . ft ...
... centres , then the sectional areas below and above these lines are 3 sq . ft . in the one furnace and 6.3 sq . ft . in the other . With five bars which are 3 ins . deep , the ashpit areas are reduced to 2 : 3 and 5 · 3 sq . ft ...
Página 10
... centre of the bars , which remain covered with compara- tively cool fuel or ashes , and are therefore not exposed to so much heat as the narrower bars with wide air spaces . An attempt to indi- cate this difference is shown in figs . 8 ...
... centre of the bars , which remain covered with compara- tively cool fuel or ashes , and are therefore not exposed to so much heat as the narrower bars with wide air spaces . An attempt to indi- cate this difference is shown in figs . 8 ...
Página 11
... centre , and vice versa , and a section across the grate might have the appearance of fig . 11 , with the FIG . 10 FIG . 11 inevitable result that the tops of the projecting bars would be quickly burnt away . Possibly this may lead to ...
... centre , and vice versa , and a section across the grate might have the appearance of fig . 11 , with the FIG . 10 FIG . 11 inevitable result that the tops of the projecting bars would be quickly burnt away . Possibly this may lead to ...
Página 13
... centres ; they prevent excessive distortions . The bars are also made decidedly taper , 1 in . to 1 in . per foot of depth , so that the fuel . cannot be jammed between them , which would certainly happen if they were parallel and ...
... centres ; they prevent excessive distortions . The bars are also made decidedly taper , 1 in . to 1 in . per foot of depth , so that the fuel . cannot be jammed between them , which would certainly happen if they were parallel and ...
Otras ediciones - Ver todas
Marine Boiler Management and Construction Johann Phillip Edmond Charles Stromeyer Vista completa - 1901 |
Términos y frases comunes
annealed bending Board of Trade boiler shell bolts carbonic acid caulking centre circumferential seams coal cocks combustion chamber compression stress corrosion crack Crown 8vo cylindrical D. K. Clark diameter Double nuts drilled edge elastic limit elongation end plates Ends Riveted Stay Engineering Enging evaporation experiments factor of safety fitted flame flange flat plates fuel funnel gases girder heating surface Illustrations iron plates lap joints length load longitudinal seams machine material measured metal oxygen percentage pipes pitch Plain practice pressure punched reduced rivet holes rows safety valves salt samples screwed stays sectional area shearing stress shown in fig side square foot square inch Stay Ends Nutted Stay Ends Riveted stay tubes steam space steel plates Strength of Materials superheater Surveyor temperature tensile strength tension thickness of plate Threads tons tube plate washers water spaces water-tube boilers weight welded
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