The Marine Steam Engine ...Longmans, 1899 - 519 páginas |
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Página 3
... piston - rod is fixed a crosshead with side - rods , s , attached at each end , which , passing down on either side of the cylinder , are connected to the ends , A , of a beam or side - lever , A B , oscillating . on a fulcrum or ...
... piston - rod is fixed a crosshead with side - rods , s , attached at each end , which , passing down on either side of the cylinder , are connected to the ends , A , of a beam or side - lever , A B , oscillating . on a fulcrum or ...
Página 4
... piston - rods from the two cylinders being connected to a single cross- head . In order to get sufficient length of connecting - rod , the cross- head was of peculiar form and passed down between the cylinders , having a journal at its ...
... piston - rods from the two cylinders being connected to a single cross- head . In order to get sufficient length of connecting - rod , the cross- head was of peculiar form and passed down between the cylinders , having a journal at its ...
Página 7
... piston speeds are as high as from 800 to 950 ft . per minute at the maximum power , while in the fast - running ... piston , and working through a steam - tight stuffing - box on the end of the cylinder , was substituted for the piston ...
... piston speeds are as high as from 800 to 950 ft . per minute at the maximum power , while in the fast - running ... piston , and working through a steam - tight stuffing - box on the end of the cylinder , was substituted for the piston ...
Página 10
... piston speeds were also considerably increased , especially in the larger ships in which a long stroke could be obtained . With this type of engine the mean piston speeds varied from 500 to 665 ft . per minute . To promote economy of ...
... piston speeds were also considerably increased , especially in the larger ships in which a long stroke could be obtained . With this type of engine the mean piston speeds varied from 500 to 665 ft . per minute . To promote economy of ...
Página 29
... piston , the weights added , and the atmospheric pressure . This pressure is represented by P pounds per square inch on the piston . In Fig . 13 three stages in the process of applying heat to the bottom of the cylinder are shown ...
... piston , the weights added , and the atmospheric pressure . This pressure is represented by P pounds per square inch on the piston . In Fig . 13 three stages in the process of applying heat to the bottom of the cylinder are shown ...
Otras ediciones - Ver todas
The Marine Steam Engine: A Treatise for Engineering Students, Young ... Richard Sennett Sin vista previa disponible - 2018 |
The Marine Steam Engine: A Treatise for Engineering Students, Young ... Richard Sennett Sin vista previa disponible - 2016 |
Términos y frases comunes
action air-pump amount angle arrangement auxiliary Belleville boiler bilge blades boilers bottom cause cent centre coal cock combustion chamber compound engines compression condenser connected considerable crank crank-shaft Crown 8vo curve diameter drain draught eccentric efficiency evaporation exhaust expansion engines Fahr feed-water fire fitted friction funnel furnace gases gauge gear gunmetal heating surface high-pressure cylinder holes horizontal Illustrations increased indicator diagram initial pressure jacket lever low-pressure cylinder manganese bronze marine engines mean effective pressure motion necessary obtained orifice paddle-wheel piston plates ports position practice prevent propeller pump quantity rate of expansion reduced revolutions per minute riveted Royal Navy safety valves screw sea-water shaft ship shown in Fig side slide-valve space speed square inch steam pipes steam pressure steel stokehold stroke suction surface condensers temperature triple expansion engines tubes vertical vessels volume water-tube boilers weight
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Página 142 - I call the steam vessel, must, during the whole time the engine is at work, be kept as hot as the steam that enters it ; first, by enclosing it in a case of wood, or any other materials that transmit heat slowly ; secondly, by surrounding it with steam, or other heated bodies ; and, thirdly, by suffering neither water, nor any other substance colder than the steam, to enter or touch it during that time...
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Página 142 - I intend, in many cases, to employ the expansive force of steam to press on the pistons, or whatever may be used instead of them, in the same manner as the pressure of the atmosphere is now employed in common...