The Slide Valve Practically ConsideredE. & F.N. Spon, 1865 - 76 sider |
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Side 8
... diameter of the cylinders , area of the steam ports , & c . The cause for this variation is the different ideas on the subject . In some instances the 12 - horse power in one county is only ten in the next , and vice versa . Presuming ...
... diameter of the cylinders , area of the steam ports , & c . The cause for this variation is the different ideas on the subject . In some instances the 12 - horse power in one county is only ten in the next , and vice versa . Presuming ...
Side 10
... diameter of the cylinder . In setting out the ports , three important facts must be considered : -ratio of supply to exhaust , width of bar , and outside lap of the valve . The first is determined from the speed of the piston and ...
... diameter of the cylinder . In setting out the ports , three important facts must be considered : -ratio of supply to exhaust , width of bar , and outside lap of the valve . The first is determined from the speed of the piston and ...
Side 13
... diameter , having a stroke of 2ft . The size of the steam port supply being gene- rally 1 square inch ( in area ) per horse power , the result would be 65 square inches . Thus far having determined this proportion , it now re- mains to ...
... diameter , having a stroke of 2ft . The size of the steam port supply being gene- rally 1 square inch ( in area ) per horse power , the result would be 65 square inches . Thus far having determined this proportion , it now re- mains to ...
Side 40
... that of the piston is , of course , due to the ratio between the circum- ference and the diameter of a circle . It may not be out of place to add that there is no rela- tive value in the points of stoppage , so to 40 THE SLIDE VALVE.
... that of the piston is , of course , due to the ratio between the circum- ference and the diameter of a circle . It may not be out of place to add that there is no rela- tive value in the points of stoppage , so to 40 THE SLIDE VALVE.
Side 53
... diameter of cyl- inder , 47 in .; utmost grade of expansion , of the stroke . Let it be assumed the travel of the valve to be 9 in . unalterable . The cubic contents of the cylinder will be deduced in the usual form 1800 × 24 43200 ...
... diameter of cyl- inder , 47 in .; utmost grade of expansion , of the stroke . Let it be assumed the travel of the valve to be 9 in . unalterable . The cubic contents of the cylinder will be deduced in the usual form 1800 × 24 43200 ...
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Vanlige uttrykk og setninger
action alluded angle arcs passed arrangement Arthur Phillips attained Bashforth Boilers BUCKLERSBURY centre line chord circle cloth connecting rod constant number correct crank pin diagram diameter dimensions engravings equal example exhaust port exhaust side exhaust space F. N. SPON foot formula friction full stroke gine given grade of expansion half stroke half travel hence inch indicator diagram Institute Civil Engineers intersection Jonathan Hulls Joseph Gibbs LAND AND MARINE large bar lead length MARINE ENGINES minus inside lap morocco motion N. P. BURGH opening caused piston plane line plates port supply pressure presumed proportion Railway ratio readily understood reduced result royal 8vo Scale 1-in Screw Screw Propeller sewed shaft sion space in valve Steam Engine steam port stuffing box SUGAR MACHINERY supply port supply steam Surface Condensation tion U.S. Navy valve and ports valve facing valve width versed sine Width of exhaust width of opening Zerah Colburn