Ripper, William, 1853-1937 · London, New York [etc.] : Longmans, Green and co. · leaf 487
er pound of air, and draw up a heat balance for arefrigerating machine using air as the working fluid under the following con-ditions :— Admission pressure to compressor, 15 lbs. per square inch absolute ; tempera-ture, 35° F. Pressure at the end of compression, 75 lbs. per square inch absolute;… … Po, Fig. 476a. Answer.—Let P,, V„ and T^ be the original pressure, volume, and temperature.P,, Vj and Tj the pressure, volume, and temperature after compression. V3 and T3 the pressure, volume, and temperature after cooling. Vj, and T^, the pressure, volume, and temperature after expansion. P..V„ =…
Steam-engines
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