The Development of a Calculation Model for the Instantaneous Pressure Head of Oscillating Water Flow in a Pipeline
Abstract
:1. Introduction
2. Materials and Methods
2.1. Experiments
2.1.1. Experimental Equipment and Procedure
2.1.2. Experimental Setup
2.2. Calculation Model
2.2.1. The Calculation of the Amplitude of the Pressure Head
2.2.2. The Calculation of the Average Instantaneous Pressure Head
3. Results and Discussion
3.1. Results
3.2. Discussion
4. Conclusions
Author Contributions
Funding
Conflicts of Interest
References
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Case | Average Pressure Head (m) | Amplitude of Pressure Head (m) | Average Discharge (m3/h) | Amplitude of Discharge (m3/h) | Period (s) |
---|---|---|---|---|---|
D1 | 16 | 8 | 5.71 | 1.56 | 40 |
D2 | 10 | 6 | 4.33 | 1.51 | 60 |
D3 | 8 | 2 | 4.02 | 0.52 | 80 |
Pipe Length (m) | D1 | D2 | D3 | ||||||
---|---|---|---|---|---|---|---|---|---|
Calculated Value (m) | Measured Value (m) | Relative Error (%) | Calculated Value (m) | Measured Value (m) | Relative Error (%) | Calculated Value (m) | Measured Value (m) | Relative Error (%) | |
0 | 8.00 | 7.91 | 1.14 | 6.00 | 6.10 | 1.64 | 2.00 | 2.05 | 2.44 |
12 | 7.54 | 7.88 | 4.31 | 5.63 | 5.46 | 3.11 | 1.88 | 1.94 | 3.09 |
24 | 7.07 | 6.69 | 5.68 | 5.27 | 5.69 | 7.38 | 1.76 | 1.88 | 6.38 |
36 | 6.61 | 6.04 | 9.44 | 4.90 | 5.05 | 2.97 | 1.64 | 1.56 | 5.13 |
48 | 6.15 | 6.53 | 5.82 | 4.54 | 4.17 | 8.87 | 1.52 | 1.67 | 8.98 |
60 | 5.69 | 5.32 | 6.95 | 4.18 | 3.93 | 6.36 | 1.41 | 1.53 | 7.84 |
Pipe Length (m) | D1 | D2 | D3 | ||||||
---|---|---|---|---|---|---|---|---|---|
Calculated Value (m) | Measured Value (m) | Relative Error (%) | Calculated Value (m) | Measured Value (m) | Relative Error (%) | Calculated Value (m) | Measured Value (m) | Relative Error (%) | |
0 | 16.00 | 15.91 | 0.57 | 10.00 | 9.94 | 0.60 | 8.00 | 7.92 | 1.01 |
12 | 15.15 | 15.32 | 1.11 | 9.48 | 9.83 | 3.56 | 7.54 | 7.26 | 3.86 |
24 | 14.30 | 14.76 | 3.12 | 8.95 | 9.18 | 2.51 | 7.08 | 7.28 | 2.75 |
36 | 13.45 | 12.79 | 5.16 | 8.43 | 8.02 | 5.11 | 6.62 | 6.14 | 7.82 |
48 | 12.60 | 13.65 | 7.69 | 7.90 | 8.52 | 7.28 | 6.16 | 6.61 | 6.81 |
60 | 11.74 | 12.54 | 6.38 | 7.38 | 6.81 | 8.37 | 5.70 | 5.30 | 7.55 |
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Zhang, K.; Song, B.; Zhu, D. The Development of a Calculation Model for the Instantaneous Pressure Head of Oscillating Water Flow in a Pipeline. Water 2019, 11, 1583. https://doi.org/10.3390/w11081583
Zhang K, Song B, Zhu D. The Development of a Calculation Model for the Instantaneous Pressure Head of Oscillating Water Flow in a Pipeline. Water. 2019; 11(8):1583. https://doi.org/10.3390/w11081583
Chicago/Turabian StyleZhang, Kai, Bo Song, and Delan Zhu. 2019. "The Development of a Calculation Model for the Instantaneous Pressure Head of Oscillating Water Flow in a Pipeline" Water 11, no. 8: 1583. https://doi.org/10.3390/w11081583