The Marine Steam Engine: A Treatise for the Use of Engineering Students and Officers of the Royal Navy |
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Page 5
... weight of the machinery was 275 tons , or 13.75 cwts . per I.H.P. developed . Between 1840 and 1850 tubular boilers were intro- duced . In these boilers a group of small tubes was substituted for the long winding flue to convey the ...
... weight of the machinery was 275 tons , or 13.75 cwts . per I.H.P. developed . Between 1840 and 1850 tubular boilers were intro- duced . In these boilers a group of small tubes was substituted for the long winding flue to convey the ...
Page 8
... weight have been economised as far as is possible for paddle - wheel engines , and the majority of engines now made for paddle - wheel vessels are on this plan . The Magicienne ' was one of the best specimens of the steam war - vessels ...
... weight have been economised as far as is possible for paddle - wheel engines , and the majority of engines now made for paddle - wheel vessels are on this plan . The Magicienne ' was one of the best specimens of the steam war - vessels ...
Page 9
... weight of the machinery was 275 tons , or 4.23 cwts . per I.H.P. The paddle - wheel , though it was an efficient propeller , possessed many practical disadvantages which interfered . with progress beyond a certain point . Its ...
... weight of the machinery was 275 tons , or 4.23 cwts . per I.H.P. The paddle - wheel , though it was an efficient propeller , possessed many practical disadvantages which interfered . with progress beyond a certain point . Its ...
Page 15
... weight of machinery about 33 cwts . per I.H.P. Direct - acting engines . - The direct - acting engine shown in Fig . 7 , having the connecting - rod between the cylinder and the crank , is the simplest type and the. EARLY HISTORY AND ...
... weight of machinery about 33 cwts . per I.H.P. Direct - acting engines . - The direct - acting engine shown in Fig . 7 , having the connecting - rod between the cylinder and the crank , is the simplest type and the. EARLY HISTORY AND ...
Page 17
... usually steam- jacketed , and made large enough to allow for considerable expansion at full power , and the boilers were fitted with с superheaters . The average weight of the machinery of this EARLY HISTORY AND PROGRESS . 17.
... usually steam- jacketed , and made large enough to allow for considerable expansion at full power , and the boilers were fitted with с superheaters . The average weight of the machinery of this EARLY HISTORY AND PROGRESS . 17.
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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.