The Marine Steam Engine: A Treatise for the Use of Engineering Students and Officers of the Royal Navy |
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Page 17
... usually adopted . Messrs . Humphrys , Ten- nant , & Co. have almost always employed this plan even for horizontal engines , being satisfied with a shorter con- necting - rod than may be obtained with the other types . For vertical ...
... usually adopted . Messrs . Humphrys , Ten- nant , & Co. have almost always employed this plan even for horizontal engines , being satisfied with a shorter con- necting - rod than may be obtained with the other types . For vertical ...
Page 22
... to reduce the range of temperature in each cylinder . Engines on this system are usually known as triple expansion engines . They were first introduced by Mr. A. C. Kirk , senior partner in the firm of. 22 THE MARINE STEAM - ENGINE .
... to reduce the range of temperature in each cylinder . Engines on this system are usually known as triple expansion engines . They were first introduced by Mr. A. C. Kirk , senior partner in the firm of. 22 THE MARINE STEAM - ENGINE .
Page 26
... usually measured in feet and the force in pounds avoirdupois ; and quantities of work , found by multiply- ing force by distance , are generally said to consist of so many foot - pounds , which are the units of work . Foot - pound . The ...
... usually measured in feet and the force in pounds avoirdupois ; and quantities of work , found by multiply- ing force by distance , are generally said to consist of so many foot - pounds , which are the units of work . Foot - pound . The ...
Page 34
... usually kept in its place by an outer covering of canvas , wood , or sheet - iron . Preparations of cork and other non - conducting materials have also been used . These substances , however , when applied to very hot surfaces are in ...
... usually kept in its place by an outer covering of canvas , wood , or sheet - iron . Preparations of cork and other non - conducting materials have also been used . These substances , however , when applied to very hot surfaces are in ...
Page 59
... or feed - water heaters in the uptakes leading to the funnel . These fittings usually consist of a box containing tubes , through or around which the steam or the feed - water , as COMBUSTION OF COAL AND ECONOMY OF FUEL . 59.
... or feed - water heaters in the uptakes leading to the funnel . These fittings usually consist of a box containing tubes , through or around which the steam or the feed - water , as COMBUSTION OF COAL AND ECONOMY OF FUEL . 59.
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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.