The characteristics of a centrifugal pump operating at 1000 rpm is given by H-45-2100². The system characteristics may be represented by H= 28+3200². The units for volume flow rate Q and head H are m³/s and m, respectively. Assume the validity of the pump similarity laws. When one pump operating at 2000 rpm is used, with the system characteristics remaining unchanged, the operating volume flow rate is _______ m³/s. X 0.179

The characteristics of a centrifugal pump operating at 1000 rpm is given by H-45-2100². The system characteristics may be represented by H= 28+3200². The units for volume flow rate Q and head H are m³/s and m, respectively. Assume the validity of the pump similarity laws. When one pump operating at 2000 rpm is used, with the system characteristics remaining unchanged, the operating volume flow rate is _______ m³/s. X 0.179

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Fluid Dynamics System Equations
Hello i have an example with an answer , please show the solution since only the answer was shown in this example. And i need its solution to review properly. Thank you 1.Question : An existing pump is used to pump water with the following data at BEP: D = 2.15 in, N = 1784 rpm, ρ = 998 kg/m3, Q = 18 gpm, H = 4.2 ft. A larger pump is to be designed based from the existing one to be used for pumping slurry (ρ = 1220 kg/m3) such that its best efficiency point occurs as close as possible to a volume flow rate of 48 gpm and at a net head of 15 ft. Calculate the new pump diameter in inches. Round off your final answer to 3 decimal placesAnswer: 2.554
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Data: Hp2,3 = 2 m; A3 = 20 cm²; A₂ = 1 cm²; Hp0,1 = 0.8 m; NB= 74%(pump efficiency) To determine: a) the flow (L/s); b) the area of section (1) (cm³); c) the power supplied by the pump to the fluid.
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/ The following particulars refer to a two-row velocity-compounded impulse wheel which forms the first stage of a combination turbine: Steam velocity at nozzle outlet 1630 mis Mean blade velocity 1125 mls Nozzle angle :16° Outlet angle, first row of moving blades 18 Outlet angle, fixed guide blades inr Outlet angle, second row of moving blades :36° Steam flow rate 126kgs “The ratio of the relative velocity at outlet to that at inlet is 0.84 for all the blade. Determine @) The velocity of whirl.
We have a system that must pump 195 GPM, at a height of 85 meters, and its losses byaccessories are 5% of their static load, please indicate the operating point and choose the impeller thatbest fits between the options of the graph A, B, C, D and F, indicate what is the expected returnof this pump, which would be the expected consumption in Hp.
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