By E. Shashi Menon
Operating advisor to Pumps and Pumping Stations: Calculations and Simulations discusses the appliance of pumps and pumping stations utilized in pipelines that shipping beverages. It offers an creation to the fundamental conception of pumps and the way pumps are utilized to useful occasions utilizing examples of simulations, with no wide mathematical research.
The e-book starts with simple innovations resembling the kinds of pumps utilized in the undefined; the homes of drinks; the functionality curve; and the Bernoullis equation. It then appears to be like on the components that impact pump functionality and a few of the equipment of calculating strain loss in piping structures. this can be by means of discussions of pump process head curves; functions and economics of centrifugal pumps and pipeline structures; and pump simulation utilizing the software program PUMPCALC. normally, the idea is defined and by means of solved instance difficulties in either U.S. primary method (English) and SI (metric) devices. extra perform difficulties are supplied in every one bankruptcy as additional workout.
This ebook was once designed to be a operating advisor for engineers and technicians facing centrifugal pumps within the water, petroleum, oil, chemical, and technique industries.
- Calculations for his or her choice, sizing and tool output
- Case reports in accordance with the author’s 35 years of box experience
- Covers all kinds of pumps
- Simplified versions and simulations
Read Online or Download Working Guide to Pumps and Pumping Stations. Calculations and Simulations PDF
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Extra resources for Working Guide to Pumps and Pumping Stations. Calculations and Simulations
Sample text
A lower value. Therefore, in selecting the driver motor size, the pump power requirement over the entire capacity range must be determined, rather than that at the maximum capacity. 7) where K is a constant. 7), we can rewrite the BHP equation as follows: BHP Q(a 0 a1Q a 2 Q 2 )Sg/[K (b 0 b1Q b2 Q 2 )] 36 Working Guide to Pumps and Pumping Stations By suitable mathematical manipulation, we can reduce this equation to a simpler equation as follows: BHP (c 0 c1Q c 2 Q 2 )Sg where c0, c1, and c2 are constants to be determined from the pump curve data.
What size electric motor driver should be selected? 10/kWh. 5), we calculate the BHP1 through BHP7 for the preceding seven sets of data. 325) 1123 (rounded up) Repeating the preceding calculations for the remaining six sets of H, Q, and E values, we can develop the following data set for the BHP curve (note that all BHP values have been rounded off to the nearest whole number): Q gpm 1000 2000 3000 4000 5000 6000 7000 BHP 1123 1403 1696 2020 2334 2574 2720 The BHP versus capacity Q curve can now be plotted from the preceding data.
1 A 5-stage centrifugal pump has the following H-Q and E-Q data taken from the pump curve with water as the liquid pumped.