The Marine Steam Engine ...Longmans, 1899 - 519 páginas |
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Página 6
... directions , both in the royal and mercantile navies , would not have been possible had not the screw superseded the paddle . Gearing for screw engines and its abandonment . In order to attain the same speed of ship the screw propeller ...
... directions , both in the royal and mercantile navies , would not have been possible had not the screw superseded the paddle . Gearing for screw engines and its abandonment . In order to attain the same speed of ship the screw propeller ...
Página 14
... direction , until , in 1881 , Mr. Kirk fitted a set of triple expan- sion engines on board the s.s. Aberdeen , ' for the trade to Australia and China . The results in this instance were so satisfactory that other engines of the same ...
... direction , until , in 1881 , Mr. Kirk fitted a set of triple expan- sion engines on board the s.s. Aberdeen , ' for the trade to Australia and China . The results in this instance were so satisfactory that other engines of the same ...
Página 18
... of the engines used in large vessels . Careful tests in this direction would probably point out many ways in which improvement would result . CHAPTER II . WORK AND EFFICIENCY . Force , work 18 THE MARINE STEAM - ENGINE.
... of the engines used in large vessels . Careful tests in this direction would probably point out many ways in which improvement would result . CHAPTER II . WORK AND EFFICIENCY . Force , work 18 THE MARINE STEAM - ENGINE.
Página 19
... direction of the resistance . Energy is measured in a similar manner . The British unit of work is the foot - pound , which is a very convenient term , implying the combination of force and motion , which is the essential condition for ...
... direction of the resistance . Energy is measured in a similar manner . The British unit of work is the foot - pound , which is a very convenient term , implying the combination of force and motion , which is the essential condition for ...
Página 25
... directions to each other , so that the hottest parts of the two fluids are opposed , and the least difference of ... direction to that of the hot gases on their way to the funnel . For the same reason , the action of a surface ...
... directions to each other , so that the hottest parts of the two fluids are opposed , and the least difference of ... direction to that of the hot gases on their way to the funnel . For the same reason , the action of a surface ...
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...