e total length [496] DAVIS & WEIDNER—THE AlR LIFT PUMP 93- of eduction pipe, however, remaining constant, the lift variesas the percentage of submergence is changed. Relation of Efficiency to Input and Percentage of Sub-mergence With a Constant Lift In comparing the results of the Wisconsin… … O 20 40 60 80 100 120 140 160 180 200> Input in Foot-Pounds per SecondFig. 30.—Relation of Efficiency to Input with a Constant Lift—Series 20. of these factors has been shown, but on account of the fact thatthe lift varied inversely as the submergence, the methods ofcomparison used on the…
Pumping machinery · Compressed air
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