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12 10 Water Rato E=40.000- E350.000 E=300,000 0000044 0000024 28 THE IMPULSE TURBINE. 177 157 feet per second at H.P. end to 345 feet per second at L.P. end. Available energy at 100° superheat, assuming adiabatic. 30 E175.000 E=150,000- E 12,000- E=10000 .60 Efficiency 1,00 FIG. 65.—Curves of Efficiency and Water-rate for given Available Energy. expansion to 27 inches vacuum =326 B.T.U. or 254,000 foot- pounds per pound of steam. 00028 E75.000 1,980,000 E. F. x W.R
