Creighton, William Henry Paul, 1859- · New York, J. Wiley & sons; [etc., etc.] · leaf 92
ts pressure diminishes, as is seen by the decreasing ordinatesof the expansion curve CD. We have already seen that it isnecessary to reject the steam during the return-stroke. At thepoint D, where there is another change in the curvature, theexhaust-valve opens and the pressure rapidly falls as the… … Fig. 47.—Single-valve Engine. High-speed Commercial Cut-off = BCAC mospheric line XY. If the exhaust-passages had been short andample the line EF would have practically coincided with XY.We have seen how the atmospheric line was drawn. Butpressures measured from it are not absolute pressures, as…
Steam-engines · Heat-engines
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