The Marine Steam Engine ...Longmans, 1899 - 519 páginas |
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Página 25
... tubes , become heated , and rise and circulate through the mass of water , their places being taken by cooler particles , till at length the whole of the water is raised to the boiling point by the convection of heat . Sensible heat ...
... tubes , become heated , and rise and circulate through the mass of water , their places being taken by cooler particles , till at length the whole of the water is raised to the boiling point by the convection of heat . Sensible heat ...
Página 34
... tube boilers , where the time for the gases to mingle with air and burn before reaching the tubes is small . On the whole , the plan giving the best results with usual arrangements is to ' fire lightly , fire quickly , and fire often ...
... tube boilers , where the time for the gases to mingle with air and burn before reaching the tubes is small . On the whole , the plan giving the best results with usual arrangements is to ' fire lightly , fire quickly , and fire often ...
Página 35
... tubes , & c . , and causing a considerable waste of heat . Combustion chamber . - In the combustion chamber the ... tube - heating surface , and this is found generally to increase the economical performance of the boilers . The ...
... tubes , & c . , and causing a considerable waste of heat . Combustion chamber . - In the combustion chamber the ... tube - heating surface , and this is found generally to increase the economical performance of the boilers . The ...
Página 36
... tubes one foot and adding to the width of combustion chamber by this amount . It was found that the efficiency of ... tube surface . A limit would , however , soon be reached , beyond which this reduction of tube surface could not be ...
... tubes one foot and adding to the width of combustion chamber by this amount . It was found that the efficiency of ... tube surface . A limit would , however , soon be reached , beyond which this reduction of tube surface could not be ...
Página 38
... tubes that the gases have to be distilled , mixed with air , and consumed in a short period and often in a confined space . With care , however , the loss from this cause ought not to be of any magnitude . In six ships experimented on ...
... tubes that the gases have to be distilled , mixed with air , and consumed in a short period and often in a confined space . With care , however , the loss from this cause ought not to be of any magnitude . In six ships experimented on ...
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...