Table 5 Variance analysis for head loss in muddy water.

From: Establishment of predictive models for head loss and filtration efficiency of pontoon mesh rotary filter based on dimension analysis

Source of error

Sum of squares

Degrees of freedom

Mean square

F value

P value

Flow rate

0.058

4

0.014

120.253

1.3704E−30***

Sand content

0.004

4

0.003

4.038

0.048*

Aperture of filter screen

0.004

2

0.001

1.035

0.116

Errors

0.132

212

0.002

  

Total

0.180

222

   
  1. significance, ***p < 0.001, **p < 0.01, *p < 0.05.
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