The steam engine and turbine; a text-book for engineering colleges (1911)
Heck, Robert Culbertson Hays, 1870- · New York, D. Van Nostrand company · leaf 163
with the working steam.We now assume, as a rough first approximation, that the curve UFEis retraced in expansion, down to the lowest pressure. Actually, be-cause of condensation by the cylinder walls and shrinkage in volume,of which the clearance steam suffers its full share, the latter… … O M Fig. 75. — The Diagram of True Expansion. ume of the active steam must be measured, at any pressure, fromthis curve — or from the position of an imaginary partition betweenthe two bodies of steam. Since the reversed compression curve extendsso far to the right, especially after it gets below…
Steam-engines · Steam-turbines
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