Recent Improvements in the Steam-engine in Its Various Applications to Mines, Mills, Steam Navigation, Railways, and Agriculture: Being a Supplement to 'The Catechism of the Steam-engine.'Longmans, Green, and Company, 1869 - 336 páginas |
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... piston speeds and higher pressures of steam : and high piston speeds require superior workmanship , espe- cially in the bearings , to prevent heating ; and the momentum also of the reciprocating parts should be balanced by ...
... piston speeds and higher pressures of steam : and high piston speeds require superior workmanship , espe- cially in the bearings , to prevent heating ; and the momentum also of the reciprocating parts should be balanced by ...
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... piston is 648 feet per minute , which is nearly as great as the speed of the engine of the steamer ' Barwon ' constructed by me in 1854 . In many steam vessels a pressure of steam of 60 lbs . and upwards is now employed . These engines ...
... piston is 648 feet per minute , which is nearly as great as the speed of the engine of the steamer ' Barwon ' constructed by me in 1854 . In many steam vessels a pressure of steam of 60 lbs . and upwards is now employed . These engines ...
Página 22
... pistons Whether steam jackets or felting used · Whether much trouble is now ) experienced with valve faces Heating surface per H. P. , no- minal . Grate surface per H. P. , nominal Area of flues per H. P. , nominal . 99 chimney none 19 ...
... pistons Whether steam jackets or felting used · Whether much trouble is now ) experienced with valve faces Heating surface per H. P. , no- minal . Grate surface per H. P. , nominal Area of flues per H. P. , nominal . 99 chimney none 19 ...
Página 32
... pistons Whether steam jackets or felting used Whether much trouble is now experienced with valve faces Heating surface per H. P. , no- minal . · Grate surface per H. P. , nominal Area of flues per H. P. , nominal 99 99 chimney On trial ...
... pistons Whether steam jackets or felting used Whether much trouble is now experienced with valve faces Heating surface per H. P. , no- minal . · Grate surface per H. P. , nominal Area of flues per H. P. , nominal 99 99 chimney On trial ...
Página 47
... piston ; so that after a time the piston becomes like a piece of plumbago , or like cast iron which has been long immersed in sea - water , and which finally becomes so soft that it may be cut by a knife . It is further found that ...
... piston ; so that after a time the piston becomes like a piece of plumbago , or like cast iron which has been long immersed in sea - water , and which finally becomes so soft that it may be cut by a knife . It is further found that ...
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Recent Improvements in the Steam-Engine in Its Various Applications to Mines ... John Bourne Sin vista previa disponible - 2015 |
Términos y frases comunes
air pump apparatus arrangement Aveling and Porter axle boiler brass cast iron chimney coal constructed by Messrs crank shaft cylinder engines diameter DICTIONARY double cylinders driving wheels eccentric employed expansion feet fire fire-box friction fuel furnace gauge gear high-pressure HISTORY horizontal horse power Illustrations inches introduced leading wheels length link motion locomotives marine engines Maudslay Merryweather moving nominal horse power nominal power passes Penn pipe piston rods plate Post 8vo pressure of steam PUBLISHED BY LONGMANS railways represented in fig revised revolutions per minute scoop screw engines Second Edition Shand shown in fig side slide valve smoke speed Square crown 8vo Steam Engine steam fire-engines STEAM HAMMER steam jackets steam vessels steamer steel stroke superheater superheating surface condensers temperature thick tons TRACTION ENGINE trailing wheels trough tubes tubular boiler velocity vertical vols weight Wood Woodcuts wrought-iron
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