TESTS OF DRAINAGE PUMPING PLANTS. 



13 



Table 4. — First test of Phillips Land Co. pumping plant. Oct. 19, 1912 — Continued. 



24-INCH UNIT. 





BoQer Horse- 



• 

 Speed. UgtaU 



Head 



on 

 pump. 







Useful 

 water 

 horse- 

 power. 



Pump 

 horse- 

 power. 



Efficiency. 



Time. 



Discharge. 



Based 



on 

 useful 

 water 

 H.P. 



Based 



on 

 pump 

 H.P. 



1000 



10:30 



11:00 . 



Lbs. per 



xq. in. 



118 34.6 

 US 35.0 

 117 26.0 

 120 23.0 

 126 23. 8 

 120 34. 1 

 120 34. 9 



117 33.7 

 120 34. 1 

 125 33. 5 

 115 33.8 



118 33.4 

 117 33.9 



R. p. m. Feet. 

 210 [ 3.85 

 210 4.01 

 202 4. 13 



Feet. 

 6.14 

 6.20 



Sec.-ft. 

 29.5 

 29.3 

 27.4 

 22.6 

 26.2 

 28.9 

 28.7 

 27.6 

 27.6 

 26.5 

 25.9 

 26.5 

 23.6 



G. p. m. 

 13, 240 

 13,150 

 12,300 

 10, 000 

 11,760 

 12, 970 

 12,880 

 12, 390 

 12,390 

 11,890 

 11,640 

 11,890 

 10,590 



12.90 20.60 

 13.33 20.60 



12.85 1 



10.80 | 14.50 

 12.72 17.00 



14.43 ; 



14.60 1 20.90 

 14.40 I 20.60 

 14.65 j 20.05 

 14.38 19.95 

 14.25 ' 18.57 

 14.85 19.71 

 13.50 17.78 



P.ct. 

 37.3 

 38.1 

 49.5 

 47.0 

 53.4 

 42.3 

 41.8 

 42.8 

 43.0 

 42.9 

 42.2 

 44.4 

 39.8 



P.ct. 

 59.5 



58.8 



1130 



12:03 



12:30 



1.00 



1 30... 



2:00 



2:30 



3:00 



3.30 



4:00 



182 ' 4.21 5.65 

 182 . 4.29 1 5.72 



208 4.40 



239 , 4.49 i 6.44 

 208 1 4. 59 6. 57 

 208 ! 4.67 6.40 

 208 j 4.77 6.63 



208 4. 86 6. 33 

 208- ! 4.94 6.56 



209 5.04 6.63 



63.0 

 71.5 



59.9 

 61.1 

 58.8 

 59.5 

 54.9 

 59.0 

 52.5 



Mean 



118.5 31.8 



204 4.48 



6.30 



26.9 



12, 073 



13.67 i 19.10 



1 



43.4 



59.9 



Fuel oil used, both units 2,256 pounds; feed water used, both units 27,850 pounds. 



Table 5. — Summary of first test of Phillips Land Co. plant. 



36-inch 

 unit. 



24-irch 

 unit. 



ENGINE AND PUMP TEST. 



Duration of test, hours 



Revolutions per minute 



I ndicated horsepower 



Steam used, pounds per indicated horsepower per hour, average (uncorrected for 



moisture) 



Discharge in cubic feet per second 



Discharge in gallons per minute 



Actual lift , feet 



Head on nump, feet 



Head Lost In suction and discharge pipes, feet 



Useful water horsepower 



Pump horsepower 



Efficiency of pump, engine, and piping, percent 



Efficiency of pump and engine, percent 



Efficiency of pump < engine nffieiency assumed to be 90 per cent), per cent 



liOII.KK TEST. 



Duration of test, hours 



A rerage 'earn pressure, pounds per square inch 



Tv ill amount of water used, | ounds 



Total amount of fuel oil used, pounds 



i of water to Fuel oil (uncorrected for moisture) 



ige feed-water temperature, degrees K 



it of evaporat Ion 



ed to fuel oil (uncorrected for moisture) 



boiler i timing 18,500 B. t. u. per pound of fuel oil), percent 



6 



6 



175.9 



204.0 



89.8 



31.8 



38.2 





58.7 



27.5 



25, 350 



12, 350 



4.48 



4.48 



6.92 



6.30 



2.44 



1 82 



29.75 



13.67 



45. 75 



19.10 



33.20 



43. 40 



50. 90 



59. 90 



56.6 



66.6 



6 





1 1 8. 5 





27 850 





2 256 









177 





1.08 





1 3.31 





69. 7 





Two efficiencies are given in Table ">, the (irsl based on the head 

 represented by the difference of level <>f the suction and discharge 

 basins and the second based on the head <>n the pump as defined 

 above. The difference between these two amounted to 2.44 feel in 

 the 36-inch unil and L. 82 feel in the 24-inch unit, "showing extremely 

 I>;mI design of suction and discharge pipes al the ends where they <lip 



