Ripper, William, 1853-1937 · London, New York [etc.] : Longmans, Green and co. · leaf 119
tical lines be drawn touching the ends of the indicator diagram,the distance between them represents the piston displacement. Theclearance line must then be set back from the line through AB, sothat its distance OB from the end of the diagram is to the wholelength of the diagram BC, as the volume… … BFig. 115.^—OB = clearance volume; BCpiston displacement. atmospheric pressure from the barometei, which is set down from theatmospheric line to the same scale of pounds as the spring used indrawing the dijigram. Effects of Clearance.— 1. Effect of clearance on the ratio ofexpansion :— In Fig. 116,…
Steam-engines
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