A Hydraulic Friction Model for One-Dimensional Unsteady Channel Flows with Experimental Demonstration
Abstract
:1. Introduction
2. Materials and Methods
2.1. Analysis of Unsteady Friction
2.2. Experimental Procedure
3. Analysis of Model Structure
3.1. Single-Factor Analysis
3.2. Multifactorial Analysis
4. Conclusions
Acknowledgments
Author Contributions
Conflicts of Interest
References
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Experimental Mode | Fence Position | |||||
---|---|---|---|---|---|---|
I | II | III | IV | V | VI | |
Mode 1 | ||||||
Mode 2 | 1 | 1 | ||||
Mode 3 | 2 | 2 | ||||
Mode 4 | 3 | 3 | ||||
Mode 5 | 4 | 4 | ||||
Mode 6 | 1 | 1 | 1 | 1 | ||
Mode 7 | 2 | 2 | 2 | 2 | ||
Mode 8 | 3 | 3 | 3 | 3 | ||
Mode 9 | 4 | 4 | 4 | 4 | ||
Mode 10 | 1 | 1 | 1 | 1 | 1 | 1 |
Mode 11 | 2 | 2 | 2 | 2 | 2 | 2 |
Mode 12 | 3 | 3 | 3 | 3 | 3 | 3 |
Mode 13 | 4 | 4 | 4 | 4 | 4 | 4 |
Experimental Mode | Linear Correlation Coefficients of Terms (X1, …, X11) and Objective Friction | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
X1 | X2 | X3 | X4 | X5 | X6 | X7 | X8 | X9 | X10 | X11 | |
Mode 1 | 0.70 | 0.89 | −0.86 | 0.48 | −0.24 | 0.12 | 0.25 | 0.26 | −0.60 | −0.19 | −0.59 |
Mode 2 | 0.73 | 0.81 | −0.90 | 0.45 | −0.09 | 0.01 | −0.07 | 0.11 | −0.23 | 0.11 | −0.25 |
Mode 3 | 0.85 | 0.84 | −0.93 | 0.51 | 0.41 | −0.02 | 0.16 | 0.11 | −0.30 | −0.09 | −0.31 |
Mode 4 | 0.72 | 0.68 | −0.89 | 0.32 | 0.75 | −0.02 | −0.88 | 0.08 | −0.15 | 0.90 | −0.26 |
Mode 5 | 0.71 | 0.62 | −0.89 | 0.21 | 0.79 | 0.01 | 0.56 | 0.08 | −0.16 | −0.22 | −0.23 |
Mode 6 | 0.53 | 0.50 | −0.90 | 0.19 | 0.83 | −0.03 | −0.51 | 0.01 | 0.17 | 0.74 | 0.06 |
Mode 7 | 0.43 | 0.42 | −0.85 | 0.05 | 0.87 | −0.01 | 0.87 | 0.03 | 0.04 | 0.38 | −0.04 |
Mode 8 | 0.35 | 0.40 | −0.82 | 0.05 | 0.86 | −0.02 | 0.29 | 0.04 | −0.01 | 0.39 | −0.25 |
Mode 9 | 0.47 | 0.39 | −0.90 | 0.12 | 0.93 | −0.04 | 0.09 | 0.00 | 0.18 | 0.70 | −0.07 |
Mode 10 | 0.49 | 0.34 | −0.92 | 0.10 | 0.92 | −0.05 | −0.36 | 0.00 | 0.23 | 0.89 | 0.06 |
Mode 11 | 0.56 | 0.35 | −0.94 | 0.09 | 0.94 | −0.04 | 0.48 | 0.00 | 0.29 | 0.76 | 0.16 |
Mode 12 | 0.48 | 0.37 | −0.90 | 0.08 | 0.92 | −0.02 | 0.90 | 0.01 | 0.17 | 0.66 | 0.05 |
Mode 13 | 0.45 | 0.45 | −0.89 | 0.15 | 0.86 | −0.05 | 0.21 | −0.01 | 0.16 | 0.29 | 0.10 |
Number | Best Combination |
---|---|
0 | X1 |
1 | X1, X5 |
2 | X1, X2, X3 |
3 | X1, X2, X3, X4 |
4 | X1, X3, X4, X8, X10 |
5 | X1, X3, X4, X7, X8, X10 |
6 | X1, X3, X4, X7, X8, X10, X11 |
7 | X1, X2, X3, X4, X5, X7, X8, X10 |
8 | X1, X2, X3, X4, X5, X7, X8, X10, X11 |
9 | X1, X2, X3, X4, X5, X6, X7, X8, X10, X11 |
10 | X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11 |
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Bao, W.; Zhou, J.; Xiang, X.; Jiang, P.; Bao, M. A Hydraulic Friction Model for One-Dimensional Unsteady Channel Flows with Experimental Demonstration. Water 2018, 10, 43. https://doi.org/10.3390/w10010043
Bao W, Zhou J, Xiang X, Jiang P, Bao M. A Hydraulic Friction Model for One-Dimensional Unsteady Channel Flows with Experimental Demonstration. Water. 2018; 10(1):43. https://doi.org/10.3390/w10010043
Chicago/Turabian StyleBao, Weimin, Junwei Zhou, Xiaohua Xiang, Peng Jiang, and Muxi Bao. 2018. "A Hydraulic Friction Model for One-Dimensional Unsteady Channel Flows with Experimental Demonstration" Water 10, no. 1: 43. https://doi.org/10.3390/w10010043
APA StyleBao, W., Zhou, J., Xiang, X., Jiang, P., & Bao, M. (2018). A Hydraulic Friction Model for One-Dimensional Unsteady Channel Flows with Experimental Demonstration. Water, 10(1), 43. https://doi.org/10.3390/w10010043