Ripper, William, 1853-1937 · London, New York [etc.] : Longmans, Green and co. · leaf 172
beincreased so as to secure dry steam at release, then the steam issuperheated at cut-off, and its temperature T, at point of cut-off m = T„ X ^j where T„ is the temperature of saturated steam at the pressure at point to. The superheat gradually disappears as theexpansion proceeds, till the steam… … pound of steam is well shown by the aid of the temperature-entropydiagram. Fig. 173 is illustrative of the kind of tigures obtained inthis way. This diagram is drawn from the indicator diagrams, having firstobtained the weight of steam used per stroke, also the dryness frac-tion of the steam, using…
Steam-engines
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