Table 1 Average value and standard deviation of the different parameters; H, n, s and n11 stand for head, rotational speed, cavitation number and speed factor ( ), respectively, where D is the runner diameter.
H (m)
N (rot/min)
s
n11
Mean value
8.004
707.5
2.162
125
Standard deviation
0.019
0.32
0.005
0.1
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