cal discussion in Dr. Lorenzs article is therefore givenin full below. Let Pj = the pressure in the foot-piece. pb =the barometric pressure acting on the surface of thewater in the well and also on the discharge end of thepipe A, Fig. 3. [428] DAVIS & WEIDNER—THE AIR LIFT PUMP 25 nw = the… … (a) (b)Pig. 3.—Comparison of the Prizell and Pohle Systems of Operation. ub = the density of the air at the discharge end of pipe A.Vj = the velocity of the liquid in the pipe A below the air in-let. ce = the coefficient of entrance.hs = the depth of submergence. Eeferring to Fig. 3 (a), it may be…
Pumping machinery · Compressed air
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