Heat engineering; a text book of applied thermodynamics for engineers and students in technical schools . 60x66. Fig. 122.—Individual and combined cards from test of pumping engine. This means a saving of in or 3% per cent. It will beseen from the expression for the work on each cycle that the low-pressure cylinder is doing 50 per cent, more work than the high-pressure cylinder. Data from the test of a triple expansion engine with its cardsgiven in Fig. 122: MULTIPLE EXPANSION ENGINES 259 Size of pump 20,000,000 gal. per 24 hr. Size of cylinders. Steam 30 in., 60 in. 90 in
Heat engineering; a text book of applied thermodynamics for engineers and students in technical schools . 60x66. Fig. 122.—Individual and combined cards from test of pumping engine. This means a saving of in or 3% per cent. It will beseen from the expression for the work on each cycle that the low-pressure cylinder is doing 50 per cent, more work than the high-pressure cylinder. Data from the test of a triple expansion engine with its cardsgiven in Fig. 122: MULTIPLE EXPANSION ENGINES 259 Size of pump 20,000,000 gal. per 24 hr. Size of cylinders. Steam 30 in., 60 in. 90 in., X 66 in: Water 33 in. X 66 in. Pressures by gauge Steam supply lbs. per sq. in. 1st Receiver lbs. per sq. in. 2d Receiver in. vacuum Condenser in. vacuum Water discharge lbs. per sq. in. Barometer lbs. per sq. in. Revolution in 24 hr 28,989 Displacement per revolution. 732 gal. Temperatures. Return from condenser 113° F. Water pumped 40° F. Condensing water 40° F. Water leaving condenser 70° F. Outside air 30° F. Quality of steam 0. 989 Water pumped to boiler, per hour 9,266 lbs
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Keywords: ., bookcentury1900, bookdecade1910, bookpublishernewyo, bookyear1915
