Ripper, William, 1853-1937 · London, New York [etc.] : Longmans, Green and co. · leaf 170
same symbols as employed in Hirns analysis, p. 120then, when Q„ = heat missing at cut-ofF— (1) For steam not superheated at cut-off (Fig. 166) :— Q + M,(/i„ + av„) + AW, - AW, + Q„ + (M + M„)(/», + x,p,^. (2) For steam superheated at cut-ofiF (Fig. 1G7) :— Q + M„(/*„ + .r„p„) + AW„ = AW„ + Q„ 4- (M… … w///m iFiG. 168.—High Fig. 169.—Medium Fig. 170.—Xo superheat. superheat. superheat. the volume v, of the steam at cut-off on the indicator diagram ; and tothe same .scale the volume v„ of saturated steam measured to thesaturated-steam curve. Then it is assumed that the steam behaves asa perfect…
Steam-engines
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