The steam engine and turbine; a text-book for engineering colleges (1911)
Heck, Robert Culbertson Hays, 1870- · New York, D. Van Nostrand company · leaf 326
Fig. 170 a pair of indicatordiagrams, from the two ends of the cylinder, is shown at I: and bymeans of motion arrows the fact is made clear that the forward-pressureline, or steam line of one end, as AB, is simultaneous with the back-pressure line, or exhaust line of the other end, as GH. Then a… … Fig. 170. — Effective Driving Force. steam pressure Pe is given by the ordinate intercepted between thecurves AB and GH. Note that whereas the indicator cards in I arefor the two ends of the cylinder, the two diagrams in II are for the re-spective strokes (compare § 21 (6): and further that, with…
Steam-engines · Steam-turbines
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