Mechanical equipment of buildings; a reference book for engineers and architects (1916)
Harding, Louis Allen, Willard, Arthur C. (Arthur Cutts), 1878-1960 · New York Wiley · leaf 269
). Afl the area of the piston is a constant, we have the relation — = —. The recip- 246 POWER PLANTS AND REFRIGERATION rocal of the number of expansions ( — J is the fraction of the stroke completed when the supply of steam was cut off from the cylinder. The ratio — or — is termed the cut off. r Li… … Exhaust Fig. 17. Method of Constructing Expansion Curve and the cut off is said to have taken place at J^ or 25 per cent of the stroke. It is evidentHhat the terminal pressure P2 can never be less than P3 if work is to be doneon the piston by the steam throughout the stroke, which is the effect…
Building · Heating · Ventilation
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