Laboratory tests on a centrifugal pump, which is directly coupled to a motor running at constant speed of 1450 rpm give the following data: Q, m³/s H, m P, KW 0.0 105 100 0.05 104 115 0.10 102 135 0.15 100 171 0.20 95 202 0.25 85 228 0.30 67 249 Plot the operating characteristic curve and hence determine the specific speed and the discharge at the Best Efficiency Point (BEP).

Laboratory tests on a centrifugal pump, which is directly coupled to a motor running at constant speed of 1450 rpm give the following data: Q, m³/s H, m P, KW 0.0 105 100 0.05 104 115 0.10 102 135 0.15 100 171 0.20 95 202 0.25 85 228 0.30 67 249 Plot the operating characteristic curve and hence determine the specific speed and the discharge at the Best Efficiency Point (BEP).

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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Applied Fluid Mechanics

A fluid is a substance that is continuously deformed by the application of shear stress. The rate of deformation of a fluid depends on its viscosity. The fluid tries to flow when it interacts with some other system.

Question

Laboratory tests on a centrifugal pump, which is directly coupled to a motor running at constant
speed of 1450 rpm give the following data:
Q, m³/s
H, m
P, KW
0.0
105
100
0.05
104
115
0.10
102
135
0.15
100
171
0.20
95
202
0.25
85
228
0.30
67
249
Plot the operating characteristic curve and hence determine the specific speed and the discharge
at the Best Efficiency Point (BEP).

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