Hartmann, Francis M., 1870- · New York, McGraw-Hill · leaf 244
the work … done by the piston, on the air, is measured by the area EBCF.At the point C, the air is under a pressure equal to that obtainingin the receiver, the exhaust-valve opens, and the air under aconstant pressure, as represented by the line CD, is forced intothe receiver, and the cycle is completed. The…
Heat · Thermodynamics
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