Water surge impingement onto a vertical wall: Laboratory experiments and stochastic analysis on impact pressure

Xie, Wenang; Shimozono, Takenori

doi:10.1016/j.oceaneng.2021.110422

Cited by 9 publications

(3 citation statements)

References 30 publications

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“…(2020), Liu et al. (2022) and Xie and Shimozono (2022) investigated a similar experimental layout. Interestingly, Liu et al.…”

Section: Introductionmentioning

confidence: 98%

“…They found that the maximum pressure peak sampled by the pressure transducers was significantly larger for the centred sensor than for the displaced one. More recently, Shen et al (2020), Liu et al (2022) and Xie and Shimozono (2022) investigated a similar experimental layout. Interestingly, Liu et al (2022) showed that the horizontal dynamic pressure peaked when the wave run-up height was at its minimum level.…”

Section: Introductionmentioning

confidence: 99%

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Modelling the impact of a dam‐break wave on a vertical wall

Del Gaudio,

La Forgia,

Constantinescu

et al. 2024

Earth Surf Processes Landf

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SummaryDam‐Break waves arise from the sudden release of the water stored behind a wall, and they cause destruction and losses on nearby areas. Characterisation of the impact force on obstacles is very important for risk assessment. In this work, we performed a series of lock‐release experiments to evaluate the wave‐induced impact force on a vertical end wall situated some distance from the lock. Laboratory data were used to evaluate the performance of several types of numerical models to predict the wave‐induced force on the vertical end wall. The selected models were as follows: the hydrostatic 1D De Saint‐Venant model, the multi‐layer hydrostatic model and the Navier–Stokes two‐phase flow. For the latter two models, both 2D (in the ‐ plane) and 3D simulations were performed. The results show that, independently of the hydrostatic assumption, the 2‐D simulations generate nonphysical oscillations which are not present in the measured temporal histories of the pressure and force values. By contrast, the predictions of both 3D numerical models better reproduce the temporal variation of the pressure forces on the end wall. The present study also shows that from a practical point of view, the 1D De Saint‐Venant model predicts with sufficient accuracy the impact time and the magnitude of the peak value of the impact force. Therefore, if the use of a fully 3D models is not a feasible option, in terms of a trade‐off between computation cost and accuracy, the use of a simple hydrostatic 1D De Saint‐Venant model is preferable to a 2D model.

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“…(2020), Liu et al. (2022) and Xie and Shimozono (2022) investigated a similar experimental layout. Interestingly, Liu et al.…”

Section: Introductionmentioning

confidence: 98%

Section: Introductionmentioning

confidence: 99%

Modelling the impact of a dam‐break wave on a vertical wall

Del Gaudio,

La Forgia,

Constantinescu

et al. 2024

Earth Surf Processes Landf

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“…Surge irrigation involves applying a collection of short bursts of freshwater to an area. Surge irrigation may be superior to ongoing watering because it advances water more quickly, improves penetration homogeneity, uses less water overall, and is more effective [5][6][7][8][9][10][11][12] key components of successful irrigation farming is the administration of the appropriate ratio at the proper moment; however, this necessitates precise metering of fresh water even during on-times of the surges. The foundation for controlling and regulating water throughout surge watering is flow monitoring.…”

mentioning

confidence: 99%

Testing and Evaluation of Surge Flow Gate For Discharge Measurement Under Different Operating Conditions

Mahmood

Saeed

Kılıç

et al. 2023

IJEE

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With surge irrigation, applying surges to an area is a cheap labor task. In industrialized nations, a variety of electronic valves for discontinuous water application (surges) are available; but their pricing prevents their usage in emerging regions. Additionally, these valves are too advanced for use by growers in underdeveloped nations. As a result, a basic Automatic Surge Gate was developed and tested in the labs to assess its effectiveness in terms of producing onoff surges. The reservoir was built to hold or collect low inflows for barrier functioning, and the gate was positioned on the suction side of the reservoir. Inflow rates, pinions, and poundage placements on the gate lever were the working parameters defined for the gate functioning. In the current investigation, three inflow rates 134, 169, and 187 l/s were employed. By leveraging the low inflows to the reservoir, the automatic surge gate demonstrated the possibility for automating the on-off action. The surge gate produced sizeable outflows even at the lowest inflow rate of 134 l/s into the reservoir. Power-law equations were discovered to be a good representation of the behavior in the statistical models that were also created using quasi statistical method.

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Statistical Features of the Dam-Break-Induced Surge Impact Pressure

Huo,

Liu

2024

Lecture Notes in Civil Engineering

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Water surge impingement onto a vertical wall: Laboratory experiments and stochastic analysis on impact pressure

Cited by 9 publications

References 30 publications

Modelling the impact of a dam‐break wave on a vertical wall

Modelling the impact of a dam‐break wave on a vertical wall

Testing and Evaluation of Surge Flow Gate For Discharge Measurement Under Different Operating Conditions

Statistical Features of the Dam-Break-Induced Surge Impact Pressure

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