Creighton, William Henry Paul, 1859- · New York, J. Wiley & sons; [etc., etc.] · leaf 247
—The two diagrams above mentioned involve four vari-ables, P, V, T, (p. If, by graphic means, we can pass from thePV or indicator-card diagram to a PT diagram, any T correspond-ing to any P is obtained. If from the PV diagram we can pass to 226 THE STEAM-ENGINE AND OTHER HEAT-MOTORS. a (f>V… … On OV volumes are to be laid off from zero volume.On OP pressures are to be laid off from zero pressure.On OT temperatures are to be laid off from zero absolute tem-perature. EXT ROPY. 227 On OE entropy is to be laid off in excess of the entropy ofwater at the assumed temperature, 32° F. in the…
Steam-engines · Heat-engines
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