Research Article
Extreme-Point Symmetric Mode Decomposition to Define the Turbulence Characteristics of a Flume Flow
Table 1
Paired sample test results for the pulsating velocity.
| Pair i | Pulsating velocity (methods 1-2) | Paired differences | t | df | Significance (2-tailed) | Mean | Standard deviation | Standard error mean | 95% confidence interval of the difference | Lower | Upper |
| Pair 1 | Velocity u at section 3 | 0.00084 | 0.00648 | 0.00029 | 0.00027 | 0.00141 | 2.913 | 499 | 0.004 | Pair 2 | Velocity at section 3 | 0.00100 | 0.00345 | 0.00015 | 0.00069 | 0.00130 | 6.457 | 499 | 0.000 | Pair 3 | Velocity at section 3 | −0.00184 | 0.00923 | 0.00041 | −0.00266 | −0.00103 | −4.470 | 499 | 0.000 | Pair 4 | Velocity u at section 7 | −0.00086 | 0.02121 | 0.00095 | −0.00273 | 0.00100 | −0.912 | 499 | 0.362 | Pair 5 | Velocity at section 7 | −0.00440 | 0.00775 | 0.00035 | −0.00508 | −0.00372 | −12.694 | 499 | 0.000 | Pair 6 | Velocity at section 7 | −0.00592 | 0.02145 | 0.00096 | −0.00781 | −0.00404 | −6.173 | 499 | 0.000 | Pair 7 | Velocity u at section 11 | −0.00281 | 0.00903 | 0.00040 | −0.00361 | −0.00202 | −6.965 | 499 | 0.000 | Pair 8 | Velocity at section 11 | 0.00107 | 0.00779 | 0.00035 | 0.00039 | 0.00175 | 3.074 | 499 | 0.002 | Pair 9 | Velocity at section 11 | 0.00089 | 0.00336 | 0.00015 | 0.00059 | 0.00118 | 5.899 | 499 | 0.000 |
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