Vapors for heat engines, including considerations relating to the use of fluids other than steam for power generation; a study of desirable vacuum limits in simple condensing engines: methods for computing efficiencies of vapor cycles with limited expansion and superheat; a volume-temperature equation for dry steam, and new temperature-entropy diagrams for various engineering vapors (1912)
Ennis, William D. (William Duane), b. 1877 · New York, D. Van Nostrand Company · leaf 80
1.612 1.516 32.8 220 1.605 0.206 1.236 17.2 27.9 1.446 1.359 22.82 240 1.705 0.232 1.392 24.62 19.36 1.2877 1.211 16.23 260 1.805 0.2565 1.5390 34.58 13.8 1.1402 1.072 11.8 280 1.905 0.28 1.68 47.9 9.97 0.998 0.938 8.66 300 2.005 0.3023 1.8138 65.04 7.315 0.864 0.812 6.49 320 2.105 0.324 1.944 87.9… … Entropy above 32°F„ B.t.u; Fig. 16.—Temperature-entropy Diagram for Ammonia 72 VAPORS FOR HEAT ENGINES The values of v closely correspond with those in thesteam table adopted, excepting in the case of the lowertemperatures—below 200°. A simpler formula is, however,desirable. If we assume the…
Heat-engines · Vapors
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