The Marine Steam Engine ...Longmans, 1899 - 519 páginas |
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Página 17
... quantity of coal necessary to be carried for the same radius of action has enabled space and weight which would formerly have been required for coals to be devoted to other objects in order to increase their offensive or defensive ...
... quantity of coal necessary to be carried for the same radius of action has enabled space and weight which would formerly have been required for coals to be devoted to other objects in order to increase their offensive or defensive ...
Página 22
... quantities of heat passing from one body to another can thus be estimated by the effects produced , so that it is clear that heat is something that can be both transferred and measured . The true nature of heat has been determined by ...
... quantities of heat passing from one body to another can thus be estimated by the effects produced , so that it is clear that heat is something that can be both transferred and measured . The true nature of heat has been determined by ...
Página 23
... quantity of heat necessary to raise one pound of water at its maximum density , which corresponds to a temperature of about 39 ° Fahr . , through one degree Fahr . Joule's equivalent . — The honour of determining the exact relation ...
... quantity of heat necessary to raise one pound of water at its maximum density , which corresponds to a temperature of about 39 ° Fahr . , through one degree Fahr . Joule's equivalent . — The honour of determining the exact relation ...
Página 25
... quantity of heat has to be expended which does not produce any increase in the temperature . This heat is known as latent heat . During the period when heat was considered as a kind of substance called caloric , it was supposed that the ...
... quantity of heat has to be expended which does not produce any increase in the temperature . This heat is known as latent heat . During the period when heat was considered as a kind of substance called caloric , it was supposed that the ...
Página 28
... quantity of heat necessary to raise one pound of water from the freezing point , 32 Fahr . , to a particular temperature , and to evaporate it at that temperature . If H represent the total heat of evaporation , L the latent heat of ...
... quantity of heat necessary to raise one pound of water from the freezing point , 32 Fahr . , to a particular temperature , and to evaporate it at that temperature . If H represent the total heat of evaporation , L the latent heat of ...
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...