The steam engine and turbine; a text-book for engineering colleges (1911)
Heck, Robert Culbertson Hays, 1870- · New York, D. Van Nostrand company · leaf 307
sure acting on the forward-moving or driving side of the piston at the instant.Pb = back pressure, on the exhaust or return-stroke side of the piston. 291 292 WORKING AND CONSTRUCTION OF THE ENGINE. [Chap. VH. Then Pe = Pf — Pb is the effective steam pressure on the piston. Fi = inertia force of… … Fig. 153. — Forces on the Moving Parts. These forces may be expressed either in pounds per square inch oras total forces on the piston, bringing in the area factor A, according tothe relation P = p X A. The steam pressures are usually got fromindicator diagrams, and it is then more convenient to…
Steam-engines · Steam-turbines
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