The Marine Steam Engine: A Treatise for the Use of Engineering Students and Officers of the Royal Navy |
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Page 118
... cock on a small pipe connected to the boiler . BB is a curved metallic tube , of elliptical section , as shown to enlarged scale at C , which is closed at one end and open to the steam pressure through the cock A at the other . The ...
... cock on a small pipe connected to the boiler . BB is a curved metallic tube , of elliptical section , as shown to enlarged scale at C , which is closed at one end and open to the steam pressure through the cock A at the other . The ...
Page 119
... cocks , one in connection with the steam chest and the other with the water space of the boiler . The general arrangement is shown in Fig . 46. In most cases these cocks FITTINGS AND MOUNTINGS OF BOILERS . 119.
... cocks , one in connection with the steam chest and the other with the water space of the boiler . The general arrangement is shown in Fig . 46. In most cases these cocks FITTINGS AND MOUNTINGS OF BOILERS . 119.
Page 120
... cocks , the depth of the water over the highest part of the heat- ing surface when the glass is half - full , will be found to be about nine inches . In some cases , in which the lower cock of the glass gauge has been bolted directly to ...
... cocks , the depth of the water over the highest part of the heat- ing surface when the glass is half - full , will be found to be about nine inches . In some cases , in which the lower cock of the glass gauge has been bolted directly to ...
Page 121
... cocks is about two or three inches above the highest part of the heating surface , and that of the upper cock a little above the normal water - line . When a third cock is fitted it is placed midway between the other two , but this cock ...
... cocks is about two or three inches above the highest part of the heating surface , and that of the upper cock a little above the normal water - line . When a third cock is fitted it is placed midway between the other two , but this cock ...
Page 122
... cocks .-- These cocks are fitted to the bottoms of all marine boilers , and are used for the purpose of filling and ... cock , and is connected either directly to the bottom of the boiler or to a strong gun - metal 122 THE MARINE STEAM ...
... cocks .-- These cocks are fitted to the bottoms of all marine boilers , and are used for the purpose of filling and ... cock , and is connected either directly to the bottom of the boiler or to a strong gun - metal 122 THE MARINE STEAM ...
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Common terms and phrases
absolute pressure action air-pump angle arrangement atmosphere back pressure bilge blades brass cause centre coal cocks combustion compound engine connected crank crank-shaft curve diameter draught eccentric efficiency evaporation exhaust expansion valve Fahr feed feed-water feet fitted friction funnel furnaces gases gear gun-metal heating surface high-pressure cylinder hot-well hydrometer increased indicated horse-power indicator diagrams iron jacket Kingston valves latent heat length low-pressure cylinders machinery marine boilers marine engines metal motion necessary ordinary orifice paddle-wheel pass pipes piston plates port pounds per square pressure of steam prevent propeller pumps quantity rates of expansion reduced revolutions per minute Royal Navy safety-valves screw screw-propeller sea-water sensible heat shaft ship shown in Fig side slide slide-valve speed square inch steam pressure steam-pipes steel stokeholds stroke suction suitable superheated superheater surface condensers temperature thermal units total heat triple expansion engines tubes vertical weight
Popular passages
Page 32 - ... the quantity of heat necessary to raise the temperature of one pound of water at its maximum density, one degree Fahr., can be made to perform work equal to the raising of 772 Ibs.