Handbook of Civil Engineering Calculations
FIGURE 20. Part of the fluid flow is diverted from the main pipe. (Peerless Pumps.) not through pipe 3. Plot the combined system ...
Related Calculations. Use the techniques given here for any type of pump— centrifugal, reciprocating, or rotary—handling any typ ...
Capacity, L/s-single -suction pumps FIGURE 22. Capacity and speed limitations of pumps with the shaft through the impeller eye. ...
PART 3 CENTRIFUGALPUMPS AND HYDRO POWER MINIMUM SAFE FLOW FOR A CENTRIFUGAL PUMP A centrifugal pump handles 22O 0 F (104.4 0 C) ...
Related Calculations. Use this procedure for any centrifugal pump handling any liquid in any service—power, process, marine, ind ...
Capacity, L/s FIGURE 1. Correction factors for viscous liquids handled by centrifugal pumps. (Hydraulic Institute.) Capacity, in ...
Copacity, L/8 FIGURE 2. Characteristics curves for water (solid line) and oil (dashed line). (Hydraulic In- stitute,) set of cha ...
Static deflection, mm FIGURE 3. Pump shaft deflection and critical speed. (Goulds Pumps, Inc.) Calculation Procedure: Determine ...
Htod,m Oil A - viscosity 400 ttu Oil C- viscosity 900 ssu Oil B - viscosity 600 ssu Oil O- viscosity 1000 ssu FIGURE 4. Regenera ...
Plots of the power input to this pump show that the input power increases as the liquid viscosity increases. Related Calculation ...
cent, or (50)(0.5) = 12.5 strokes/min. Hence, the pump speed will be 50.0 - 12.5 = 37.5 strokes/mm. Since the delivery is direct ...
TABLE 3. Effect of Entrained or Dissolved Gas on the Liquid Displacement of Rotary Pumps (liquid displacement: percent of displa ...
With a 20-in (508-mm) Hg inlet vacuum, 5 percent entrained gas, and 10 percent dis- solved gas, Table 3 shows that the liquid di ...
the tank and system is 60 lb/in 2 (gage) (413.6 kPa) and the allowable low pressure is 30 lb/in 2 (gage) (206.8 kPa). How many s ...
a 3600-r/min speed, the specific gravity of the liquid is 0.52, and the total available ex- haust head is 20 ft (6.1 m). Analyze ...
Turbine specific speed N 9 FIGURE 5. Cavitation constant for hydraulic turbines. (Chemical Engi- neering.) for hydraulic turbine ...
Percent of BEP turbine capacity FIGURE 7. Constant-speed curves for turbine duty. (Chemi- cal Engineering.) Percent of BEP turbi ...
Percent of turbine BEP speed FIGURE 8. Constant-head curves for turbine duty. (Chemical Engineering.) 107 percent of the capacit ...
signed as fluid movers, they may be less efficient as hydraulic turbines than equipment designed for that purpose. Steam turbine ...
Percent of BEP pump capacity FIGURE 10. Performance of a pump at constant speed in pump duty and turbine duty. (Chemical Enginee ...
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